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.
All eSIM plans for United Kingdom by AdventureSIMs in 2026
29 plans found · Last update:
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  United Kingdom 1GB 7 Days5G AdventureSIMsVodafone | 1.00GB | 7 days | $1.78 | -10% | $1.78$1.98 |
2 | Europe (30+ areas) 1GB 7 Days5G AdventureSIMsVodafone | 1.00GB | 7 days | $2.97 | -10% | $2.97$3.30 |
3 | Europe (30+ areas) 1.5GB 1 Day5G AdventureSIMsVodafone | 1.50GB | 1 days | $2.37 | -10% | $3.56$3.96 |
4 | United Kingdom 3GB 15 Days5G AdventureSIMsVodafone | 3.00GB | 15 days | $1.78 | -10% | $5.34$5.94 |
5 | Europe (40+ areas) & Morocco 1GB 7 Days5G AdventureSIMsVodafone | 1.00GB | 7 days | $5.94 | -10% | $5.94$6.60 |
6 | United Kingdom 3GB 30 Days5G AdventureSIMsVodafone | 3.00GB | 30 days | $1.78 | -10% | $5.34$5.94 |
7 | Europe (30+ areas) 2GB 1 Day5G AdventureSIMsVodafone | 2.00GB | 1 days | $2.38 | -10% | $4.75$5.28 |
8 | Global (120 areas) 1GB 7 Days5G AdventureSIMsO2 | 1.00GB | 7 days | $7.13 | -10% | $7.13$7.92 |
9 | Europe (40+ areas) & Morocco 1GB 1 Day5G AdventureSIMsVodafone | 1.00GB | 1 days | $5.34 | -10% | $5.34$5.94 |
10 | United Kingdom 5GB 30 Days5G AdventureSIMsVodafone | 5.00GB | 30 days | $1.43 | -10% | $7.13$7.92 |
11 | Europe (30+ areas) 3GB 30 Days5G AdventureSIMsVodafone | 3.00GB | 30 days | $2.38 | -10% | $7.13$7.92 |
12 | Europe (30+ areas) 3GB 1 Day5G AdventureSIMsVodafone | 3.00GB | 1 days | $2.38 | -10% | $7.13$7.92 |
13 | Europe (30+ areas) 5GB 30 Days5G AdventureSIMsVodafone | 5.00GB | 30 days | $2.14 | -10% | $10.70$11.88 |
14 | United Kingdom 10GB 30 Days5G AdventureSIMsVodafone | 10.00GB | 30 days | $1.07 | -10% | $10.70$11.88 |
15 | Europe (40+ areas) & Morocco 3GB 30 Days5G AdventureSIMsVodafone | 3.00GB | 30 days | $3.96 | -10% | $11.88$13.21 |
#1
5GUnited Kingdom 1GB 7 Days
AdventureSIMs · Vodafone
Data
1.00GB
Duration
7 days
Price/GB
$1.78
Promo code-10% With promo
$1.78
$1.98
#2
5GEurope (30+ areas) 1GB 7 Days
AdventureSIMs · Vodafone
Data
1.00GB
Duration
7 days
Price/GB
$2.97
Promo code-10% With promo
$2.97
$3.30
#3
5GEurope (30+ areas) 1.5GB 1 Day
AdventureSIMs · Vodafone
Data
1.50GB
Duration
1 days
Price/GB
$2.37
Promo code-10% With promo
$3.56
$3.96
#4
5GUnited Kingdom 3GB 15 Days
AdventureSIMs · Vodafone
Data
3.00GB
Duration
15 days
Price/GB
$1.78
Promo code-10% With promo
$5.34
$5.94
#5
5GEurope (40+ areas) & Morocco 1GB 7 Days
AdventureSIMs · Vodafone
Data
1.00GB
Duration
7 days
Price/GB
$5.94
Promo code-10% With promo
$5.94
$6.60
#6
5GUnited Kingdom 3GB 30 Days
AdventureSIMs · Vodafone
Data
3.00GB
Duration
30 days
Price/GB
$1.78
Promo code-10% With promo
$5.34
$5.94
#7
5GEurope (30+ areas) 2GB 1 Day
AdventureSIMs · Vodafone
Data
2.00GB
Duration
1 days
Price/GB
$2.38
Promo code-10% With promo
$4.75
$5.28
#8
5GGlobal (120 areas) 1GB 7 Days
AdventureSIMs · O2
Data
1.00GB
Duration
7 days
Price/GB
$7.13
Promo code-10% With promo
$7.13
$7.92
#9
5GEurope (40+ areas) & Morocco 1GB 1 Day
AdventureSIMs · Vodafone
Data
1.00GB
Duration
1 days
Price/GB
$5.34
Promo code-10% With promo
$5.34
$5.94
#10
5GUnited Kingdom 5GB 30 Days
AdventureSIMs · Vodafone
Data
5.00GB
Duration
30 days
Price/GB
$1.43
Promo code-10% With promo
$7.13
$7.92
#11
5GEurope (30+ areas) 3GB 30 Days
AdventureSIMs · Vodafone
Data
3.00GB
Duration
30 days
Price/GB
$2.38
Promo code-10% With promo
$7.13
$7.92
#12
5GEurope (30+ areas) 3GB 1 Day
AdventureSIMs · Vodafone
Data
3.00GB
Duration
1 days
Price/GB
$2.38
Promo code-10% With promo
$7.13
$7.92
#13
5GEurope (30+ areas) 5GB 30 Days
AdventureSIMs · Vodafone
Data
5.00GB
Duration
30 days
Price/GB
$2.14
Promo code-10% With promo
$10.70
$11.88
#14
5GUnited Kingdom 10GB 30 Days
AdventureSIMs · Vodafone
Data
10.00GB
Duration
30 days
Price/GB
$1.07
Promo code-10% With promo
$10.70
$11.88
#15
5GEurope (40+ areas) & Morocco 3GB 30 Days
AdventureSIMs · Vodafone
Data
3.00GB
Duration
30 days
Price/GB
$3.96
Promo code-10% With promo
$11.88
$13.21
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.
How to use the AdventureSIMs promo code for United Kingdom?
1
Choose your plan
Select the AdventureSIMs plan that fits your needs for your trip to United Kingdom.
2
Go to checkout
Click "View offer" to be redirected to the official AdventureSIMs website.
3
Enter code ESIMP
In the "Promo code" field, enter exactly ESIMP to get 10% off.
4
Activate your eSIM
Complete the purchase and receive your QR code by email. Scan it to activate your United Kingdom eSIM.
Why choose AdventureSIMs for United Kingdom?
AdventureSIMs is one of the most reliable eSIM providers for United Kingdom. With 29 plans available from $1.78, you'll find the perfect offer for your stay.
Plans from $1.78 for United Kingdom
Instant QR code activation
Quality 4G/5G coverage
Responsive customer support
Keep your home phone number
No hidden fees
FAQ about AdventureSIMs United Kingdom
Is the AdventureSIMs promo code valid for United Kingdom in 2026?
Yes, code ESIMP is valid and verified for United Kingdom in 2026. It gives you 10% off all AdventureSIMs plans for United Kingdom.
What network coverage does AdventureSIMs offer in United Kingdom?
AdventureSIMs partners with top local carriers in United Kingdom to provide optimal 4G/LTE coverage. In major cities, you often get 5G depending on your device.
How much does a AdventureSIMs eSIM for United Kingdom cost?
AdventureSIMs plans for United Kingdom start from $1.78. With code ESIMP, you get an additional 10% discount.
Can I use my AdventureSIMs eSIM as soon as I arrive in United Kingdom?
Yes, you can install your AdventureSIMs eSIM before departure and activate it upon arrival in United Kingdom. Activation is instant once connected to the local network.
How do I activate my AdventureSIMs eSIM for United Kingdom?
After purchase, you'll receive a QR code by email. Scan it in your phone settings (Settings > Cellular > Add eSIM Plan on iPhone). Activation takes less than 5 minutes.
Looking for a AdventureSIMs eSIM for your trip to United Kingdom in 2026? You're in the right place. eSIM Planet presents all AdventureSIMs plans available for United Kingdom, with the best prices and exclusive promo code ESIMP for 10% off.
AdventureSIMs is known for quality service and network coverage in United Kingdom. Whether traveling for tourism or business, AdventureSIMs plans keep you connected without exorbitant roaming fees from your home carrier.
The advantage of choosing a AdventureSIMs eSIM for United Kingdom? Instant activation, transparent prices from $1.78, and the ability to keep your home number. No need to search for a SIM shop at the airport or wait for delivery.
