🇬🇧 London · United Kingdom
London eSIM (2026) — Buy Online, QR Activation
From €0.99Instant activation
Best travel eSIM for London, United Kingdom. Skip airport SIM queues, install a QR profile before landing and arrive online in five seconds — no roaming bill shock.
Where you’ll use data most
- Big Ben & Westminster
- Tower Bridge & the Tower of London
- British Museum
- Camden, Soho & the West End
- Day trip to Oxford or Windsor
Airports & arrival
- LHR (Heathrow)
- LGW (Gatwick)
- STN (Stansted)
- LTN (Luton)
Local mobile networks
EE · Vodafone UK · O2 · Three
3-step setup
- Buy the eSIM online — the QR is emailed within minutes.
- On home Wi-Fi, scan the QR (Settings → Mobile → Add eSIM). Leave the line OFF.
- After landing, enable the eSIM as default cellular data. Done.
See live United Kingdom eSIM plans
View UK eSIM plansFAQ
Yes for most short visits. A prepaid UK eSIM installs in 2 minutes, gives a fixed GB at a fixed price, and skips the airport SIM queue at LHR (Heathrow).
Travel eSIMs roam over one or more local networks — typically EE, Vodafone UK, O2, Three. The exact network is picked automatically based on signal strength.
Yes. Install on home Wi-Fi (Settings -> Mobile -> Add eSIM). Leave the line OFF, then enable after landing at LHR (Heathrow) to avoid carrier auto-roaming.
Maps, chat and photos: 3-5 GB. Add streaming or hotspot for laptop: 8-15 GB. Pick at least one bracket higher than your estimate because top-ups cost more than upgrading at purchase.
For short tourist trips focused on data, a travel eSIM lets you install the QR on Wi-Fi before LHR (Heathrow), skip local store queues, and pay a fixed prepaid price. Local SIM packs suit visitors who need a UK voice number.