Personalised selection with promo codes & direct links, then reminders before you leave
2349 plans found · Last update:
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| # | Plan | Data | Duration | Price/GB | Code | Price | Action |
|---|---|---|---|---|---|---|---|
1 |  30 days - 10GB5G Saily Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:  | 10.00GB | 30 days | $1.72 | -10% | $17.25$19.17 | |
2 |  1 TB, Unlimited Call & SMS - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
3 | 1 TB, Unlimited Call & SMS - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
4 | 1 TB, Unlimited Call & SMS - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
5 | 1 TB, Unlimited Call & SMS - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
6 | 1 TB, Unlimited Call & SMS - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
7 | 1 TB, Unlimited Call & SMS - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
8 | 1 TB, Unlimited Call & SMS - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
9 | 1 TB, Unlimited Call & SMS - 30 Days5G RoamifyO2 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
10 | 1 TB, Unlimited Call & SMS - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1000.00GB | 30 days | $0.06 | -5% | $61.75$65.00 | |
11 | 150 GB - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 150.00GB | 30 days | $0.16 | -5% | $24.70$26.00 | |
12 | 150 GB - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 150.00GB | 30 days | $0.16 | -5% | $24.70$26.00 | |
13 | 150 GB - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 150.00GB | 30 days | $0.16 | -5% | $24.70$26.00 | |
14 | 150 GB - 30 Days5G Roamify3 Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 150.00GB | 30 days | $0.16 | -5% | $24.70$26.00 | |
15 | 150 GB - 30 Days5G RoamifyO2 (UK) Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 150.00GB | 30 days | $0.16 | -5% | $24.70$26.00 |
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Which eSIM to choose for traveling to London in 2026? Here is our comparison of the best plans to stay connected at a low cost as soon as you arrive at Heathrow, Gatwick or Stansted. Discover our selection with promo codes and data plans.
London is a must-see metropolis: museums, theatres, parks and nightlife. To get around, book online and stay in touch, a London eSIM (or UK eSIM) is ideal. Avoid roaming and be connected as soon as you land.
Three common travel styles, three focused picks. Enter the partner promo code at checkout, then fine-tune plans in the comparison table above.
A few days on the ground: maps, messaging and socials.
Recommended minimum: 5 GB
For short stays, compare data, duration and price across providers: enough for maps, messaging and socials without overpaying.
Up to 3 plans that match this travel style
+27
Several phones, mixed usage, you want peace of mind.
Recommended minimum: 20 GB
For families, favor large buckets or unlimited for the whole trip, then double-check hotspot rules and fair-use policies.
Up to 3 plans that match this travel style
Video calls, large files, sustained mobile usage.
Recommended minimum: 30 GB
For remote work, aim for a comfortable allowance (often 30+ GB) or unlimited, and validate network coverage and stability for your destination.
Up to 3 plans that match this travel style
Planning a trip to London? Discover our complete comparison of the best eSIMs for London in 2026. We've analyzed all available offers to help you choose the best eSIM at the best price.
Using an eSIM to travel to London offers many advantages. Unlike physical SIM cards, the eSIM can be activated before your departure, allowing you to be connected as soon as you arrive. No need to look for a distributor or deal with language issues. eSIMs also offer optimal coverage throughout London, with prices often more advantageous than international roaming.
To choose the best eSIM for London, several criteria should be considered: the amount of data you need, the duration of your stay, network coverage, and of course the price. Our comparator allows you to filter offers according to these criteria and compare prices in real-time.
The main international eSIM operators offer plans for London, including Holafly, Airalo, Saily, and Nomad. Each operator has its advantages: some offer unlimited plans, others offer very competitive prices for limited data.
In conclusion, choosing the best eSIM for London depends on your specific needs. Our comparator allows you to quickly find the offer that best matches your traveler profile. Compare prices, durations, and data amounts to make the best choice.
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.
