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.
Code ESIMP
eSIM AdventureSIMs United Kingdom 2026: best data plans, code ESIMP (-10%)
Save up to 10% on your AdventureSIMs eSIM for United Kingdom. Exclusive verified offer.
About AdventureSIMs
AdventureSIMs is an eSIM provider for travel to United Kingdom. Adventure plans
Best-value AdventureSIMs plan for United Kingdom
Top 1
-10%
$1.18
$1.31
Duration7 days
Data1GB
Compatible apps
WhatsAppMapsInstagramTikTokSpotify+5
Not sure which eSIM plan to choose for United Kingdom? We'll hand-pick the best ones just for you
Personalised selection with promo codes & direct links, then reminders before you leave
All eSIM plans for United Kingdom by AdventureSIMs in 2026
39 plans found · Last update:
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| # | Plan | Data | Duration | Price/GB | Code | Price | Action |
|---|---|---|---|---|---|---|---|
1 |  United Kingdom 1GB 7 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:  | 1.00GB | 7 days | $1.18 | -10% | $1.18$1.31 | |
2 | Europe (35 areas) 1GB 7 Days5G AdventureSIMsT-Mobile UK Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $1.18 | -10% | $1.18$1.31 | |
3 | Europe (30+ areas) 1GB 7 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $1.78 | -10% | $1.78$1.98 | |
4 | Europe (35 areas) 3GB 15 Days5G AdventureSIMsT-Mobile UK Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 15 days | $0.99 | -10% | $2.97$3.30 | |
5 | United Kingdom 3GB 15 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 15 days | $0.99 | -10% | $2.97$3.30 | |
6 | Europe (35 areas) 3GB 30 Days5G AdventureSIMsT-Mobile UK Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 30 days | $0.99 | -10% | $2.97$3.30 | |
7 | Europe (30+ areas) 1GB 30 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 30 days | $2.97 | -10% | $2.97$3.30 | |
8 | United Kingdom 3GB 30 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 30 days | $1.19 | -10% | $3.56$3.96 | |
9 | United Kingdom 5GB 30 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 5.00GB | 30 days | $0.95 | -10% | $4.75$5.28 | |
10 | Europe (35 areas) 5GB 30 Days5G AdventureSIMsT-Mobile UK Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 5.00GB | 30 days | $0.95 | -10% | $4.75$5.28 | |
11 | Europe (40+ areas) & Morocco 1GB 7 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $5.94 | -10% | $5.94$6.60 | |
12 | Europe (30+ areas) 1.5GB 1 Day5G AdventureSIMsVodafone Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.50GB | 1 days | $2.77 | -10% | $4.16$4.62 | |
13 | Europe (30+ areas) 2GB 1 Day5G AdventureSIMsVodafone Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 2.00GB | 1 days | $2.67 | -10% | $5.34$5.94 | |
14 | Europe (30+ areas) 3GB 30 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 30 days | $2.18 | -10% | $6.53$7.26 | |
15 | Global (120 areas) 1GB 7 Days5G AdventureSIMsO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $7.72 | -10% | $7.72$8.58 |
#1
5GUnited Kingdom 1GB 7 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$1.18
Code-10% With discount
$1.18
$1.31
#2
5GEurope (35 areas) 1GB 7 Days
AdventureSIMs · T-Mobile UK
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$1.18
Code-10% With discount
$1.18
$1.31
#3
5GEurope (30+ areas) 1GB 7 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$1.78
Code-10% With discount
$1.78
$1.98
#4
5GEurope (35 areas) 3GB 15 Days
AdventureSIMs · T-Mobile UK
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
15 days
Price/GB
$0.99
Code-10% With discount
$2.97
$3.30
#5
5GUnited Kingdom 3GB 15 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
15 days
Price/GB
$0.99
Code-10% With discount
$2.97
$3.30
#6
5GEurope (35 areas) 3GB 30 Days
AdventureSIMs · T-Mobile UK
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
30 days
Price/GB
$0.99
Code-10% With discount
$2.97
$3.30
#7
5GEurope (30+ areas) 1GB 30 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
30 days
Price/GB
$2.97
Code-10% With discount
$2.97
$3.30
#8
5GUnited Kingdom 3GB 30 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
30 days
Price/GB
$1.19
Code-10% With discount
$3.56
$3.96
#9
5GUnited Kingdom 5GB 30 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
5.00GB
Duration
30 days
Price/GB
$0.95
Code-10% With discount
$4.75
$5.28
#10
5GEurope (35 areas) 5GB 30 Days
AdventureSIMs · T-Mobile UK
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
5.00GB
Duration
30 days
Price/GB
$0.95
Code-10% With discount
$4.75
$5.28
#11
5GEurope (40+ areas) & Morocco 1GB 7 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$5.94
Code-10% With discount
$5.94
$6.60
#12
5GEurope (30+ areas) 1.5GB 1 Day
AdventureSIMs · Vodafone
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.50GB
Duration
1 days
Price/GB
$2.77
Code-10% With discount
$4.16
$4.62
#13
5GEurope (30+ areas) 2GB 1 Day
AdventureSIMs · Vodafone
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
2.00GB
Duration
1 days
Price/GB
$2.67
Code-10% With discount
$5.34
$5.94
#14
5GEurope (30+ areas) 3GB 30 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
3.00GB
Duration
30 days
Price/GB
$2.18
Code-10% With discount
$6.53
$7.26
#15
5GGlobal (120 areas) 1GB 7 Days
AdventureSIMs · O2
Compatible apps
WhatsAppMapsInstagramTikTok+6
Coverage:
Data
1.00GB
Duration
7 days
Price/GB
$7.72
Code-10% With discount
$7.72
$8.58
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 eSIMPlanet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
Why choose AdventureSIMs for United Kingdom?
AdventureSIMs is a reliable eSIM provider for United Kingdom. With 39 plans from $1.19, you can pick what fits your trip.
Plans from $1.19 for United Kingdom
Instant QR activation
Solid 4G/5G coverage
Responsive support
Keep your main number on the primary SIM
No hidden fees
FAQ AdventureSIMs and United Kingdom
What coverage does AdventureSIMs offer in United Kingdom?
AdventureSIMs uses local networks for strong 4G/LTE; 5G depends on the network and your device.
How much is a AdventureSIMs eSIM for United Kingdom?
Plans start from $1.19. Prices on eSIMPlanet are refreshed regularly.
Can I activate when I land in United Kingdom?
Yes. Install before travel if you like, then activate once you connect to the local network.
How do I activate my AdventureSIMs eSIM?
After purchase, scan the QR from email (Settings > Cellular > Add eSIM on iPhone).
Does AdventureSIMs cover more than United Kingdom?
AdventureSIMs also sells regional or global plans. Check included destinations before buying.
Looking for the best AdventureSIMs eSIM plans for United Kingdom in 2026? eSIMPlanet compares live offers from $1.19, with activation in minutes.
AdventureSIMs uses dependable local networks in United Kingdom, ideal for leisure or business without painful roaming charges.
Clear pricing, QR activation, and app management: travel light and keep your primary number on the physical SIM.
Verified promo: enter ESIMP at checkout on AdventureSIMs for 10% off (tested by eSIMPlanet).
