Best eSIM for the UK in 2026: Complete Comparison Guide
Discover the best eSIMs for traveling to the United Kingdom. Detailed comparison with real prices, exclusive promo codes and recommendations by travel profile.
Unlimited eSIM plans for United Kingdom
All unlimited eSIM plans for United Kingdom in 2026
189 plans found · Last update:
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  United Kingdom Yesim | Unlimited | 7 days | ∞ | -15% | $28.34$33.34 |
2 |  10 days - Unlimited Holafly | Unlimited | 10 days | ∞ | -5% | $36.95$38.90 |
3 |  United Kingdom 500MB/Day Esimflare | 2.44GBLimite journalière: 500 MB/jour | 5 days | $1.64 | -10% | $4.00$4.44 |
4 | Europe(30+ areas) 300MB/Day Esimflare | 1.46GBLimite journalière: 300 MB/jour | 5 days | $3.08 | -10% | $4.50$5.00 |
5 |  Unlimited Data - 1 Days5G RoamifyO2 | Unlimited | 1 days | ∞ | -5% | $2.38$2.50 |
6 | Unlimited Data - 1 Days5G RoamifyO2 | Unlimited | 1 days | ∞ | -5% | $2.38$2.50 |
7 | Europe(30+ areas) 1GB/Day Esimflare | 1.00GBLimite journalière: 1 GB/jour | 1 days | $3.00 | -10% | $3.00$3.33 |
8 | United Kingdom 2GB/Day Esimflare | 2.00GBLimite journalière: 2 GB/jour | 1 days | $1.50 | -10% | $3.00$3.33 |
9 | United Kingdom 1GB/Day Esimflare | 1.00GBLimite journalière: 1 GB/jour | 1 days | $3.00 | -10% | $3.00$3.33 |
10 | United Kingdom 500MB/Day Esimflare | 1.46GBLimite journalière: 500 MB/jour | 3 days | $2.05 | -10% | $3.00$3.33 |
11 | United Kingdom 500MB/Day Esimflare | 0.49GBLimite journalière: 500 MB/jour | 1 days | $6.12 | -10% | $3.00$3.33 |
12 | Europe(30+ areas) 300MB/Day Esimflare | 0.88GBLimite journalière: 300 MB/jour | 3 days | $3.41 | -10% | $3.00$3.33 |
13 | Europe(30+ areas) 300MB/Day Esimflare | 0.29GBLimite journalière: 300 MB/jour | 1 days | $10.34 | -10% | $3.00$3.33 |
14 | Europe(30+ areas) 500MB/Day Esimflare | 0.49GBLimite journalière: 500 MB/jour | 1 days | $6.12 | -10% | $3.00$3.33 |
15 | Europe 500MB/Day Esimflare | 0.49GBLimite journalière: 500 MB/jour | 1 days | $6.53 | -10% | $3.20$3.56 |
#1
United Kingdom
Yesim
Data
Unlimited
Duration
7 days
Price/GB
∞
Promo code-15% With promo
$28.34
$33.34
#2
10 days - Unlimited
Holafly
Data
Unlimited
Duration
10 days
Price/GB
∞
Promo code-5% With promo
$36.95
$38.90
#3
United Kingdom 500MB/Day
Esimflare
Data
2.44GB
Limite journalière: 500 MB/jour
Duration
5 days
Price/GB
$1.64
Promo code-10% With promo
$4.00
$4.44
#4
Europe(30+ areas) 300MB/Day
Esimflare
Data
1.46GB
Limite journalière: 300 MB/jour
Duration
5 days
Price/GB
$3.08
Promo code-10% With promo
$4.50
$5.00
#5
5GUnlimited Data - 1 Days
Roamify · O2
Data
Unlimited
Duration
1 days
Price/GB
∞
Promo code-5% With promo
$2.38
$2.50
#6
5GUnlimited Data - 1 Days
Roamify · O2
Data
Unlimited
Duration
1 days
Price/GB
∞
Promo code-5% With promo
$2.38
$2.50
#7
Europe(30+ areas) 1GB/Day
Esimflare
Data
1.00GB
Limite journalière: 1 GB/jour
Duration
1 days
Price/GB
$3.00
Promo code-10% With promo
$3.00
$3.33
#8
United Kingdom 2GB/Day
Esimflare
Data
2.00GB
Limite journalière: 2 GB/jour
Duration
1 days
Price/GB
$1.50
Promo code-10% With promo
$3.00
$3.33
#9
United Kingdom 1GB/Day
Esimflare
Data
1.00GB
Limite journalière: 1 GB/jour
Duration
1 days
Price/GB
$3.00
Promo code-10% With promo
$3.00
$3.33
#10
United Kingdom 500MB/Day
Esimflare
Data
1.46GB
Limite journalière: 500 MB/jour
Duration
3 days
Price/GB
$2.05
Promo code-10% With promo
$3.00
$3.33
#11
United Kingdom 500MB/Day
Esimflare
Data
0.49GB
Limite journalière: 500 MB/jour
Duration
1 days
Price/GB
$6.12
Promo code-10% With promo
$3.00
$3.33
#12
Europe(30+ areas) 300MB/Day
Esimflare
Data
0.88GB
Limite journalière: 300 MB/jour
Duration
3 days
Price/GB
$3.41
Promo code-10% With promo
$3.00
$3.33
#13
Europe(30+ areas) 300MB/Day
Esimflare
Data
0.29GB
Limite journalière: 300 MB/jour
Duration
1 days
Price/GB
$10.34
Promo code-10% With promo
$3.00
$3.33
#14
Europe(30+ areas) 500MB/Day
Esimflare
Data
0.49GB
Limite journalière: 500 MB/jour
Duration
1 days
Price/GB
$6.12
Promo code-10% With promo
$3.00
$3.33
#15
Europe 500MB/Day
Esimflare
Data
0.49GB
Limite journalière: 500 MB/jour
Duration
1 days
Price/GB
$6.53
Promo code-10% With promo
$3.20
$3.56
Written and reviewed by
Valentin FourierDigital Nomad
Developer and digital nomad, I lived between Canada and the United States before continuing to explore the world. After struggling with internet connectivity abroad one too many times, I created eSIM Planet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
