Europe
✓ Prices checked Sep 30, 2026
Best eSIM for United Kingdom in 2026
Every prepaid eSIM plan for United Kingdom from every major provider, ranked by the same formulas — $/GB, $/day and fair-use fine print decoded.
Quick verdict
Which United Kingdom eSIM is best for your trip?
The best United Kingdom eSIM depends on how you travel. Three picks computed from all 192 plans we track — prices checked Sep 30, 2026.
Roamic
United Kingdom eSIM 50GB / 30 Days — $22.00 ($0.44/GB)
The full database
All United Kingdom eSIM plans compared
| Provider | Plan | Data | Validity | Price | $/day | $/GB | Network | Link |
|---|---|---|---|---|---|---|---|---|
|
Roamic
Best value
|
United Kingdom eSIM 50GB / 30 Days | 50GB | 30 days | $22.00 | $0.73 | $0.44 | EE, Vodafone, O2, Three | View plan |
Ubigi
|
60GB / 365 Days | 60GB | 365 days | $29.00 | $0.08 | $0.48 | EE, Vodafone, O2, Three | View plan |
aloSIM
|
united kingdom (uk) | 50GB | 10 days | $25.00 | $2.50 | $0.50 | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM 20GB / 30 Days | 20GB | 30 days | $10.00 | $0.33 | $0.50 | EE, Vodafone, O2, Three | View plan |
Roami
Most data
|
100GB / 30 Days | 100GB | 30 days | $54.99 | $1.83 | $0.55 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 50GB | 15 days | $30.00 | $2.00 | $0.60 | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM 10GB / 30 Days | 10GB | 30 days | $6.00 | $0.20 | $0.60 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
20GB / 30 Days | 20GB | 30 days | $12.00 | $0.40 | $0.60 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
50GB / 30 Days | 50GB | 30 days | $32.00 | $1.07 | $0.64 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
7GB / 1 Day | 7GB | 1 days | $5.00 | $5.00 | $0.71 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
60GB / 30 Days | 60GB | 30 days | $44.00 | $1.47 | $0.73 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
50GB / 30 Days | 50GB | 30 days | $37.99 | $1.27 | $0.76 | EE, Vodafone, O2, Three | View plan |
Airalo
|
Uki Mobile - 50 GB | 50GB | 30 days | $39.00 | $1.30 | $0.78 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
24GB / 365 Days | 24GB | 365 days | $19.00 | $0.05 | $0.79 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
10GB / 3 Days | 10GB | 3 days | $7.99 | $2.66 | $0.80 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
20GB / 7 Days | 20GB | 7 days | $15.99 | $2.28 | $0.80 | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM 5GB / 21 Days | 5GB | 21 days | $4.00 | $0.19 | $0.80 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
25GB / 7 Days | 25GB | 7 days | $21.00 | $3.00 | $0.84 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 20GB | 7 days | $17.00 | $2.43 | $0.85 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
30GB / 15 Days | 30GB | 15 days | $25.99 | $1.73 | $0.87 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
25GB / 30 Days | 25GB | 30 days | $22.00 | $0.73 | $0.88 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
20GB / 15 Days | 20GB | 15 days | $17.99 | $1.20 | $0.90 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
10GB / 7 Days | 10GB | 7 days | $9.00 | $1.29 | $0.90 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
20GB / 30 Days | 20GB | 30 days | $18.99 | $0.63 | $0.95 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
10GB / 7 Days | 10GB | 7 days | $9.99 | $1.43 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
30GB / 30 Days | 30GB | 30 days | $29.99 | $1.00 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 20GB | 10 days | $20.00 | $2.00 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 50GB | 30 days | $50.00 | $1.67 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM 1GB / 7 Days | 1GB | 7 days | $1.00 | $0.14 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM 3GB / 14 Days | 3GB | 14 days | $3.00 | $0.21 | $1.00 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
5GB / 30 Days | 5GB | 30 days | $5.00 | $0.17 | $1.00 | EE, Vodafone, O2, Three | View plan |
Yesim
|
United Kingdom (UK) | 30GB | 30 days | $31.75 | $1.06 | $1.06 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
30GB / 15 Days | 30GB | 15 days | $32.00 | $2.13 | $1.07 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 50 GB | 50GB | 30 days | $54.00 | $1.80 | $1.08 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 20GB | 15 days | $22.00 | $1.47 | $1.10 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
10GB / 30 Days | 10GB | 30 days | $11.00 | $0.37 | $1.10 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
5GB / 3 Days | 5GB | 3 days | $5.99 | $2.00 | $1.20 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 3 days | $6.00 | $2.00 | $1.20 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 10GB | 5 days | $12.00 | $2.40 | $1.20 | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | 20GB | 30 days | $24.95 | $0.83 | $1.25 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
35GB / 30 Days | 35GB | 30 days | $44.99 | $1.50 | $1.29 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
10GB / 15 Days | 10GB | 15 days | $12.99 | $0.87 | $1.30 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
3GB / 3 Days | 3GB | 3 days | $3.99 | $1.33 | $1.33 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 3GB | 1 days | $4.00 | $4.00 | $1.33 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 10GB | 7 days | $13.50 | $1.93 | $1.35 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
5GB / 7 Days | 5GB | 7 days | $6.99 | $1.00 | $1.40 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 10GB | 10 days | $14.00 | $1.40 | $1.40 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 10GB | 15 days | $14.50 | $0.97 | $1.45 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
10GB / 30 Days | 10GB | 30 days | $14.99 | $0.50 | $1.50 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 20 GB | 20GB | 15 days | $30.00 | $2.00 | $1.50 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 5 days | $7.50 | $1.50 | $1.50 | EE, Vodafone, O2, Three | View plan |
Saily
|
United Kingdom 20GB 30 days | 20GB | 30 days | $30.99 | $1.03 | $1.55 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 20 GB | 20GB | 30 days | $31.00 | $1.03 | $1.55 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
5GB / 15 Days | 5GB | 15 days | $7.99 | $0.53 | $1.60 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 20GB | 30 days | $32.00 | $1.07 | $1.60 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
3GB / 7 Days | 3GB | 7 days | $4.99 | $0.71 | $1.66 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 3GB | 1 days | $5.00 | $5.00 | $1.67 | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
3GB / 30 Days | 3GB | 30 days | $5.00 | $0.17 | $1.67 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 7 days | $8.50 | $1.21 | $1.70 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 10 GB | 10GB | 7 days | $18.00 | $2.57 | $1.80 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 10 days | $9.00 | $0.90 | $1.80 | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | 10GB | 30 days | $18.14 | $0.60 | $1.81 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 20 GB | 20GB | 15 days | $36.50 | $2.43 | $1.82 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 10 GB | 10GB | 15 days | $18.50 | $1.23 | $1.85 | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom 10GB 30 days | 10GB | 30 days | $18.99 | $0.63 | $1.90 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 10 GB | 10GB | 30 days | $19.00 | $0.63 | $1.90 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 15 days | $9.50 | $0.63 | $1.90 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 20 GB | 20GB | 30 days | $38.50 | $1.28 | $1.93 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
1GB / 3 Days | 1GB | 3 days | $1.99 | $0.66 | $1.99 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
3GB / 15 Days | 3GB | 15 days | $5.99 | $0.40 | $2.00 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
5GB / 30 Days | 5GB | 30 days | $9.99 | $0.33 | $2.00 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 10GB | 30 days | $20.00 | $0.67 | $2.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 10 GB | 10GB | 7 days | $21.50 | $3.07 | $2.15 | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | 5GB | 30 days | $10.89 | $0.36 | $2.18 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 10 GB | 10GB | 15 days | $22.50 | $1.50 | $2.25 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
3GB / 30 Days | 3GB | 30 days | $6.99 | $0.23 | $2.33 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 10 GB | 10GB | 30 days | $23.50 | $0.78 | $2.35 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 5 GB | 5GB | 7 days | $12.00 | $1.71 | $2.40 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 5 GB | 5GB | 15 days | $12.50 | $0.83 | $2.50 | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom 5GB 30 days | 5GB | 30 days | $12.99 | $0.43 | $2.60 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 5 GB | 5GB | 30 days | $13.00 | $0.43 | $2.60 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 5GB | 30 days | $13.00 | $0.43 | $2.60 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 5 GB | 5GB | 7 days | $14.00 | $2.00 | $2.80 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 3 GB | 3GB | 3 days | $8.50 | $2.83 | $2.83 | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | 1GB | 30 days | $2.84 | $0.09 | $2.84 | EE, Vodafone, O2, Three | View plan |
|
Roami
|
1GB / 7 Days | 1GB | 7 days | $2.99 | $0.43 | $2.99 | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom 3GB 30 days | 3GB | 30 days | $8.99 | $0.30 | $3.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 3 GB | 3GB | 7 days | $9.00 | $1.29 | $3.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 5 GB | 5GB | 15 days | $15.00 | $1.00 | $3.00 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 3GB | 30 days | $9.00 | $0.30 | $3.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 5 GB | 5GB | 30 days | $15.50 | $0.52 | $3.10 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 2GB | 15 days | $6.50 | $0.43 | $3.25 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 3 GB | 3GB | 3 days | $10.00 | $3.33 | $3.33 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 1GB | 1 days | $3.50 | $3.50 | $3.50 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - 1 GB | 1GB | 3 days | $4.00 | $1.33 | $4.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 3 GB | 3GB | 7 days | $12.00 | $1.71 | $4.00 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 1GB | 3 days | $4.00 | $1.33 | $4.00 | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom 1GB 7 days | 1GB | 7 days | $4.49 | $0.64 | $4.49 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 1GB | 7 days | $4.50 | $0.64 | $4.50 | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | 1GB | 5 days | $4.50 | $0.90 | $4.50 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile+ - 1 GB | 1GB | 3 days | $5.00 | $1.67 | $5.00 | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 3 days | $11.50 | $3.83 | — | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 5 days | $18.50 | $3.70 | — | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 7 days | $27.00 | $3.86 | — | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 10 days | $34.50 | $3.45 | — | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 15 days | $48.00 | $3.20 | — | EE, Vodafone, O2, Three | View plan |
|
Airalo
|
Uki Mobile - Unlimited | Unlimited | 30 days | $69.00 | $2.30 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 3 days | $11.50 | $3.83 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 5 days | $19.00 | $3.80 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 7 days | $27.00 | $3.86 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 10 days | $35.00 | $3.50 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 15 days | $49.00 | $3.27 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 20 days | $60.00 | $3.00 | — | EE, Vodafone, O2, Three | View plan |
|
aloSIM
|
united kingdom (uk) | Unlimited | 30 days | $72.00 | $2.40 | — | EE, Vodafone, O2, Three | View plan |
Holafly
|
Unlimited / 3 Days | Unlimited | 3 days | $11.90 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Holafly
|
Unlimited / 5 Days | Unlimited | 5 days | $20.50 | $4.10 | — | EE, Vodafone, O2, Three | View plan |
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Holafly
|
Unlimited / 7 Days | Unlimited | 7 days | $27.50 | $3.93 | — | EE, Vodafone, O2, Three | View plan |
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Holafly
|
Unlimited / 10 Days | Unlimited | 10 days | $36.50 | $3.65 | — | EE, Vodafone, O2, Three | View plan |
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Holafly
|
Unlimited / 15 Days | Unlimited | 15 days | $50.50 | $3.37 | — | EE, Vodafone, O2, Three | View plan |
|
Holafly
|
Unlimited / 30 Days | Unlimited | 30 days | $73.90 | $2.46 | — | EE, Vodafone, O2, Three | View plan |
|
Roami
|
Unlimited / 3 Days | Unlimited | 3 days | $8.99 | $3.00 | — | EE, Vodafone, O2, Three | View plan |
|
Roami
|
Unlimited / 7 Days | Unlimited | 7 days | $18.99 | $2.71 | — | EE, Vodafone, O2, Three | View plan |
|
Roami
|
Unlimited / 15 Days | Unlimited | 15 days | $36.99 | $2.47 | — | EE, Vodafone, O2, Three | View plan |
|
Roami
|
Unlimited / 30 Days | Unlimited | 30 days | $41.99 | $1.40 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 1 Day | Unlimited | 1 days | $3.00 | $3.00 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 2 Days | Unlimited | 2 days | $4.00 | $2.00 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 3 Days | Unlimited | 3 days | $6.00 | $2.00 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 4 Days | Unlimited | 4 days | $7.00 | $1.75 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 5 Days | Unlimited | 5 days | $9.00 | $1.80 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 6 Days | Unlimited | 6 days | $11.00 | $1.83 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 8 Days | Unlimited | 8 days | $13.00 | $1.62 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 7 Days | Unlimited | 7 days | $13.00 | $1.86 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 9 Days | Unlimited | 9 days | $15.00 | $1.67 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 11 Days | Unlimited | 11 days | $16.00 | $1.45 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 10 Days | Unlimited | 10 days | $16.00 | $1.60 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 12 Days | Unlimited | 12 days | $17.00 | $1.42 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 13 Days | Unlimited | 13 days | $18.00 | $1.38 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 14 Days | Unlimited | 14 days | $19.00 | $1.36 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 15 Days | Unlimited | 15 days | $20.00 | $1.33 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 16 Days | Unlimited | 16 days | $21.00 | $1.31 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 17 Days | Unlimited | 17 days | $22.00 | $1.29 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 18 Days | Unlimited | 18 days | $23.00 | $1.28 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 19 Days | Unlimited | 19 days | $24.00 | $1.26 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 21 Days | Unlimited | 21 days | $25.00 | $1.19 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 20 Days | Unlimited | 20 days | $25.00 | $1.25 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 22 Days | Unlimited | 22 days | $26.00 | $1.18 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 25 Days | Unlimited | 25 days | $27.00 | $1.08 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 24 Days | Unlimited | 24 days | $27.00 | $1.12 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 23 Days | Unlimited | 23 days | $27.00 | $1.17 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 27 Days | Unlimited | 27 days | $28.00 | $1.04 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 26 Days | Unlimited | 26 days | $28.00 | $1.08 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 29 Days | Unlimited | 29 days | $29.00 | $1.00 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 28 Days | Unlimited | 28 days | $29.00 | $1.04 | — | EE, Vodafone, O2, Three | View plan |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 30 Days | Unlimited | 30 days | $30.00 | $1.00 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 7 days | Unlimited | 7 days | $28.99 | $4.14 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 10 days | Unlimited | 10 days | $34.99 | $3.50 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 15 days | Unlimited | 15 days | $48.99 | $3.27 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 20 days | Unlimited | 20 days | $59.99 | $3.00 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 25 days | Unlimited | 25 days | $65.99 | $2.64 | — | EE, Vodafone, O2, Three | View plan |
|
Saily
|
United Kingdom UNLIMITED 30 days | Unlimited | 30 days | $71.99 | $2.40 | — | EE, Vodafone, O2, Three | View plan |
|
Ubigi
|
Unlimited / 30 Days | Unlimited | 30 days | $26.00 | $0.87 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
Cheapest
|
United Kingdom (UK) | Unlimited | 1 days | $0.51 | $0.51 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 1 days | $3.97 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 2 days | $7.94 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 3 days | $11.91 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 4 days | $15.88 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 5 days | $19.85 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 6 days | $23.82 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 7 days | $27.78 | $3.97 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 8 days | $29.84 | $3.73 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 9 days | $31.90 | $3.54 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 10 days | $33.95 | $3.40 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 11 days | $36.01 | $3.27 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 12 days | $38.06 | $3.17 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 13 days | $40.12 | $3.09 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 14 days | $42.18 | $3.01 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 15 days | $44.23 | $2.95 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 16 days | $45.59 | $2.85 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 17 days | $46.95 | $2.76 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 18 days | $48.31 | $2.68 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 19 days | $49.67 | $2.61 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 20 days | $51.03 | $2.55 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 21 days | $52.39 | $2.49 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 22 days | $53.75 | $2.44 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 23 days | $55.12 | $2.40 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 24 days | $56.48 | $2.35 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 25 days | $57.84 | $2.31 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 26 days | $59.20 | $2.28 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 27 days | $60.56 | $2.24 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 28 days | $61.92 | $2.21 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 29 days | $63.28 | $2.18 | — | EE, Vodafone, O2, Three | View plan |
|
Yesim
|
United Kingdom (UK) | Unlimited | 30 days | $64.64 | $2.15 | — | EE, Vodafone, O2, Three | View plan |
Prices in USD as listed by each provider, excluding promo codes and taxes. Badges are literal sort positions, not editorial picks — see our methodology.
What the numbers mean
What United Kingdom eSIM prices reveal
Scan the United Kingdom table and two pricing philosophies emerge. Metered plans — Roami down to $2.99 for 1GB — charge for a data bucket, while Holafly sells a single shape: unlimited data billed at roughly $4.25/day. On pure $/GB, Roami wins outright: 50GB / 30 Days works out to $0.90/GB, the best rate of the 51 plans we track.
The crossover point decides it. At $4.25/day, two weeks of Holafly runs $62+, while a 20GB bucket from the same table covers a heavy two-week trip for less. Light users — maps, messaging, the odd lookup — can stop at a 3-5GB bucket and stay in single digits. Rule of thumb for United Kingdom: under a week and Wi-Fi at the hotel, buy the smallest bucket; remote work or hotspot sharing pushes every metered plan toward the unlimited tier.
Network-wise, United Kingdom runs on EE, Vodafone, O2, Three — coverage differences between them matter more than price differences between providers. EE consistently wins UK rural coverage tests; Three is cheapest but thins out in the Highlands. Check the fair-use column before buying any ‘unlimited’ label, and re-check this page before your trip: prices move.
Fine print decoded
Is unlimited eSIM data really unlimited in United Kingdom?
Every "unlimited" plan on this page, with its fair-use policy decoded:
| Provider | Plan | Price | $/day | Fair-use policy |
|---|---|---|---|---|
|
Yesim
|
United Kingdom (UK) | $0.51 | $0.51 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 1 Day | $3.00 | $3.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $3.97 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 2 Days | $4.00 | $2.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 3 Days | $6.00 | $2.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 4 Days | $7.00 | $1.75 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $7.94 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roami
|
Unlimited / 3 Days | $8.99 | $3.00 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 5 Days | $9.00 | $1.80 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 6 Days | $11.00 | $1.83 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Airalo
|
Uki Mobile - Unlimited | $11.50 | $3.83 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $11.50 | $3.83 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Holafly
|
Unlimited / 3 Days | $11.90 | $3.97 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Yesim
|
United Kingdom (UK) | $11.91 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 8 Days | $13.00 | $1.62 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 7 Days | $13.00 | $1.86 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 9 Days | $15.00 | $1.67 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $15.88 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 11 Days | $16.00 | $1.45 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 10 Days | $16.00 | $1.60 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 12 Days | $17.00 | $1.42 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 13 Days | $18.00 | $1.38 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Airalo
|
Uki Mobile - Unlimited | $18.50 | $3.70 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roami
|
Unlimited / 7 Days | $18.99 | $2.71 | No fair-use policy published — treat speed claims with caution |
|
aloSIM
|
united kingdom (uk) | $19.00 | $3.80 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 14 Days | $19.00 | $1.36 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $19.85 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 15 Days | $20.00 | $1.33 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Holafly
|
Unlimited / 5 Days | $20.50 | $4.10 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 16 Days | $21.00 | $1.31 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 17 Days | $22.00 | $1.29 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 18 Days | $23.00 | $1.28 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $23.82 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 19 Days | $24.00 | $1.26 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 21 Days | $25.00 | $1.19 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 20 Days | $25.00 | $1.25 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 22 Days | $26.00 | $1.18 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Ubigi
|
Unlimited / 30 Days | $26.00 | $0.87 | 60 GB per month at full speed, then ∞ at 2Mbps (auto-renewing monthly subscription) |
|
Airalo
|
Uki Mobile - Unlimited | $27.00 | $3.86 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $27.00 | $3.86 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 25 Days | $27.00 | $1.08 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 24 Days | $27.00 | $1.12 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 23 Days | $27.00 | $1.17 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Holafly
|
Unlimited / 7 Days | $27.50 | $3.93 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Yesim
|
United Kingdom (UK) | $27.78 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 27 Days | $28.00 | $1.04 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 26 Days | $28.00 | $1.08 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
United Kingdom UNLIMITED 7 days | $28.99 | $4.14 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 29 Days | $29.00 | $1.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 28 Days | $29.00 | $1.04 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $29.84 | $3.73 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
United Kingdom eSIM Unlimited Data / 30 Days | $30.00 | $1.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $31.90 | $3.54 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $33.95 | $3.40 | No fair-use policy published — treat speed claims with caution |
|
Airalo
|
Uki Mobile - Unlimited | $34.50 | $3.45 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
United Kingdom UNLIMITED 10 days | $34.99 | $3.50 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $35.00 | $3.50 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
United Kingdom (UK) | $36.01 | $3.27 | No fair-use policy published — treat speed claims with caution |
|
Holafly
|
Unlimited / 10 Days | $36.50 | $3.65 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Roami
|
Unlimited / 15 Days | $36.99 | $2.47 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $38.06 | $3.17 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $40.12 | $3.09 | No fair-use policy published — treat speed claims with caution |
|
Roami
|
Unlimited / 30 Days | $41.99 | $1.40 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $42.18 | $3.01 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $44.23 | $2.95 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $45.59 | $2.85 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $46.95 | $2.76 | No fair-use policy published — treat speed claims with caution |
|
Airalo
|
Uki Mobile - Unlimited | $48.00 | $3.20 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
United Kingdom (UK) | $48.31 | $2.68 | No fair-use policy published — treat speed claims with caution |
|
Saily
|
United Kingdom UNLIMITED 15 days | $48.99 | $3.27 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $49.00 | $3.27 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
United Kingdom (UK) | $49.67 | $2.61 | No fair-use policy published — treat speed claims with caution |
|
Holafly
|
Unlimited / 15 Days | $50.50 | $3.37 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Yesim
|
United Kingdom (UK) | $51.03 | $2.55 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $52.39 | $2.49 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $53.75 | $2.44 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $55.12 | $2.40 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $56.48 | $2.35 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $57.84 | $2.31 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $59.20 | $2.28 | No fair-use policy published — treat speed claims with caution |
|
Saily
|
United Kingdom UNLIMITED 20 days | $59.99 | $3.00 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $60.00 | $3.00 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
United Kingdom (UK) | $60.56 | $2.24 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $61.92 | $2.21 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $63.28 | $2.18 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
United Kingdom (UK) | $64.64 | $2.15 | No fair-use policy published — treat speed claims with caution |
|
Saily
|
United Kingdom UNLIMITED 25 days | $65.99 | $2.64 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
Airalo
|
Uki Mobile - Unlimited | $69.00 | $2.30 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
United Kingdom UNLIMITED 30 days | $71.99 | $2.40 | 5 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
united kingdom (uk) | $72.00 | $2.40 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Holafly
|
Unlimited / 30 Days | $73.90 | $2.46 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
Decision guide
How to choose your United Kingdom eSIM
How much eSIM data do you need in United Kingdom?
- 1GBMaps, messaging and email for a city break — United Kingdom (UK) starts at $0.51.
- 5GBA normal week of maps, mail and social — cheapest 5GB+ bucket: United Kingdom eSIM 5GB / 21 Days at $4.00.
- 10GB+Streaming, hotspot sharing or a working trip — cheapest 10GB+ bucket: United Kingdom eSIM 10GB / 30 Days at $6.00.
- ∞Don't want to count? 91 unlimited plans cover United Kingdom — read the fair-use caps above before picking one.
Want exact numbers for your trip? Try the eSIM trip cost calculator.
How to install your United Kingdom eSIM
- 1Buy before you fly. Plans are delivered instantly — by email (marketplace providers) or in-app (app-based providers like Roami and Saily).
- 2Install on Wi-Fi. Scan the QR code or tap the in-app install button; the eSIM profile downloads in seconds.
- 3Land and it just works. The eSIM connects to its host network in United Kingdom automatically — keep data roaming ON for the eSIM line.
Works on eSIM-capable phones (iPhone XS and newer, most 2019+ Android flagships). Your physical SIM keeps working alongside it.
Matching plans to your trip
United Kingdom eSIM plans by trip length
The same database, sliced by how long you stay and how you travel. Every pick below is a computed sort position — validity must cover the whole stay, and data must match the use case.
3–5 days
long weekend or city break
United Kingdom eSIM 3GB / 14 Days
Roamic · 3GB / 14 days
$3.00
cheapest plan with at least 3GB and 5-day validity.
See the Roamic plan →7–10 days
the classic one-week trip
United Kingdom eSIM 5GB / 21 Days
Roamic · 5GB / 21 days
$4.00
cheapest 5GB+ bucket with validity ≥ 10 days.
See the Roamic plan →Two weeks
longer tours and multi-city
United Kingdom eSIM 10GB / 30 Days
Roamic · 10GB / 30 days
$6.00
cheapest 10GB+ bucket valid ≥ 15 days.
See the Roamic plan →30 days +
long stays and slow travel
United Kingdom eSIM 50GB / 30 Days
Roamic · 50GB / 30 days
$22.00
best $/GB among 20GB+ plans valid ≥ 30 days.
See the Roamic plan →Best United Kingdom eSIM by traveller type
Light user
maps, messaging, email
United Kingdom eSIM 1GB / 7 Days
Roamic · 1GB / 7 days
$1.00
lowest-price small bucket (1–5GB).
See the Roamic plan →Standard tourist
navigation plus social and browsing
United Kingdom eSIM 50GB / 30 Days
Roamic · 50GB / 30 days
$22.00
best $/GB in the 5GB+ class.
See the Roamic plan →Streamer & hotspot
video, tethering, multiple devices
United Kingdom (UK)
Yesim · unlimited / 1 days
$0.51
lowest cost per day without a GB counter.
See the Yesim plan →Remote worker
calls, cloud work, weeks on the road
United Kingdom eSIM 50GB / 30 Days
Roamic · 50GB / 30 days
$22.00
best $/GB among 30-day+ plans with 10GB or more.
See the Roamic plan →The lineup
Which eSIM providers cover United Kingdom
Airalo
since 2019
The original eSIM marketplace
- +Widest country coverage in the industry
- +Established trust and brand recognition
- +Regional plans (Asia, Europe) for multi-country trips
- –No longer the cheapest in most single countries
- –Smaller data allowances at entry price points
aloSIM
since 2021
Budget eSIM app from Canada's AffinityClick
- +Built by AffinityClick, an Ottawa telecom company
- +Cheap country packs across 175+ countries
- +Free eSIM app with flexible top-ups
- –Fewer unlimited options than rivals
- –Support is self-serve first
Holafly
since 2018
Unlimited data, pay by the day
- +Unlimited-data plans in 190+ destinations
- +One-plan-per-country simplicity
- +Hotspot sharing included
- –Flat daily pricing gets expensive on long trips
- –No budget tier - one plan shape only
Roami
since 2024
App-first travel eSIM with 24/7 activation
Promo code web20 — 20% off your first order (new users) · all deals
- +Aggressive pricing across Asia
- +No ID verification for travel plans
- +24/7 activation and human support
- –Younger brand with fewer third-party reviews
- –Deepest discounts concentrate on 3-30 day plans
Roamic
since 2021
European eSIM brand with unlimited options
- +Backed by Spain's Byte Travel since 2021
- +170+ countries and regions
- +Unlimited-data options in many destinations
- –Younger brand with a thinner review track record
- –Unlimited plans carry fair-use limits
Saily
since 2024
The no-logs eSIM from the NordVPN team
Promo code VEEPEE25 — 25% off Saily eSIMs · all deals
- +Competitive per-GB pricing
- +Built by the Nord Security team
- +Flexible in-app top-ups
- –Newer service with a shorter track record
- –Destination list still growing
Ubigi
since 2017
Global 4G/5G eSIM from Transatel, an NTT company
Promo code WELCOME10 — 10% off your first Ubigi data plan · all deals
- +Operated by Transatel (NTT Group) since the 2017 eSIM launch
- +Coverage in 200+ destinations
- +Connectivity heritage across cars and laptops
- –Account setup required before buying
- –Entry prices above the budget brands
Yesim
since 2019
Swiss-based eSIM with pay-as-you-go data
- +Founded 2019 in Switzerland
- +Pay-per-use international eSIM across 140+ countries
- +Self-service business platform for teams
- –Smaller brand recognition outside Europe
- –Pay-per-MB international plan takes reading to compare
Before you buy
Things to know before buying a United Kingdom eSIM
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EE consistently wins UK rural coverage tests; Three is cheapest but thins out in the Highlands.
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UK 'unlimited' tourist plans from Three throttle video to 1080p - fine on a phone, annoying if you hotspot a laptop.
Networks
Which networks do United Kingdom eSIMs run on
Every eSIM connects to a local carrier network. Coverage, speed and rural reach follow that host network — so knowing whose mast your plan uses matters more than the brand on the voucher.
EE
5GPlans from Airalo, aloSIM, Holafly, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 25–300 Mbps — enough for 4K streaming · video calls · hotspot work
The UK's fastest and widest network — the default pick, especially outside cities.
Where it wins: The coverage and speed leader - best rural reach and the fastest 5G.
Where it lags: Usually slightly pricier on consumer tariffs.
O2
5GPlans from Airalo, aloSIM, Holafly, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 15–200 Mbps — enough for HD streaming · video calls · navigation
Solid in towns and cities; weaker in remote highlands.
Where it wins: Reliable urban coverage, strong in London.
Where it lags: Rural and motorway speeds trail EE.
Three
5GPlans from Airalo, aloSIM, Holafly, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 15–200 Mbps — enough for HD streaming · video calls · navigation
Cheap with fast city 5G; the weakest rural coverage of the four.
Where it wins: Generous unlimited tariffs and improving city 5G.
Where it lags: Weakest rural coverage of the four - check before countryside trips.
Vodafone
5GPlans from Airalo, aloSIM, Holafly, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 20–250 Mbps — enough for HD streaming · video calls · navigation
Strong nationwide with good city 5G.
Where it wins: Solid nationwide reach with strong indoor 5G in cities.
Where it lags: A few notched spots in the Highlands and rural Wales.
United Kingdom's local carrier market
- EE eSIM-ready
- Vodafone eSIM-ready
- O2 eSIM-ready
- Three eSIM-ready
Matched against the 192 plans in the table above. Prefer plans on the carrier with the best coverage where you're going.
Which national networks cover United Kingdom's major cities
All the carriers above serve these metros with full speed; the differences between them show up outside them — rural roads, mountain areas, islands and deep-indoor spots like basements and metro platforms.
Speeds are typical real-world downloads (4G floor to good 5G); actual speeds depend on device, plan and location. For context: Netflix 4K needs about 25 Mbps, HD about 5.
Independent measurements
Independent network data for United Kingdom
The network profiles above are ours. The findings below come from independent measurement firms — Opensignal crowdsources real-user readings, Ookla aggregates Speedtest samples — so you can cross-check whose masts actually perform before picking a plan that rides them.
Opensignal · January 2026
- EE was the strongest performer with 11 outright awards, including Download Speed at 53.2 Mbps.
- O2 won the Coverage Experience award outright with 9.0 out of 10; Three took 5G Download Speed with 187 Mbps.
Source: United Kingdom, January 2026, Mobile Network Experience Report, Opensignal.
Ookla · award report
Ookla's RootMetrics drive tests gave EE every UK-wide RootScore award for the 26th consecutive cycle, with a UK-wide median download of 130.3 Mbps — more than twice the next-best result.
Source: Ookla Speedtest report, 2026-08.
Ookla Speedtest Global Index
Ookla's index tracks United Kingdom's median mobile download, upload and latency month by month — the live picture of how the whole market's networks compare.
Open United Kingdom on the Global Index →Award findings are quoted from the named reports and link to the originals. Sources accessed October 2026; our own price and fair-use data follow the methodology.
FAQ
What should I know before buying a United Kingdom eSIM
What is the cheapest eSIM for United Kingdom?
Roami - the 1GB / 7 Days at $2.99 ($0.43/day) is the cheapest plan we track. That buys 1GB over 7 days: enough for maps and messaging if your hotel has Wi-Fi.
Is unlimited eSIM data in United Kingdom actually unlimited?
Not quite. All 10 'unlimited' plans here apply fair-use policies - the cheapest, Holafly at $21.99 ($4.40/day), carries: 1.5GB/day high-speed cap, then 3G speeds. Treat them as big-but-capped plans and compare the caps.
Airalo or Holafly for United Kingdom?
Different animals. Airalo sells metered buckets - its best rate here is competitive per GB - while Holafly only sells unlimited-by-day ($4.25/day at its cheapest tier). Short light trip: Airalo-style buckets win. Heavy data or hotspot sharing: Holafly's flat rate caps your downside.
Do I need ID verification for a United Kingdom eSIM?
No. United Kingdom does not force ID checks on travel eSIMs - local SIM rules differ, but the plans on this page ship pre-registered.
Which networks do United Kingdom eSIMs use?
Plans on this page run on EE, Vodafone, O2, Three. Differences matter mostly outside the big cities - the network column in the main table shows which carrier each plan rides.
Can one eSIM cover United Kingdom and France?
Regional Asia/continental plans from Airalo and Nomad bundle United Kingdom with neighbors - usually worse $/GB than single-country plans, but cheaper than two separate eSIMs. For a two-country trip, compare one regional plan against two country-specific ones in the tables before buying.
Keep traveling
eSIM for your next destination
Travelers comparing United Kingdom eSIMs often price these destinations next — each card opens a live plan table, checked the same day as the one above.
New to eSIMs
First time using an eSIM?
The plans above assume the basics. If this is your first eSIM, these five short reads take you from what an eSIM is to a working data connection before you board.
eSIM explained
What the technology actually is, minus the marketing.
SIM card alternative
Where eSIMs win and where a physical SIM still makes sense.
activating an eSIM
The install walkthrough for every provider we track.
supported phones
The 30-second EID test plus every compatible phone we verified.
dual SIM phones
Keep your home number while travel data runs on eSIM.
Data you can check.
Prices on this page were last verified Sep 30, 2026. Full collection rules in our methodology; how we make money in our disclosure.