eSIM plans for United Kingdom
Travel to the United Kingdom with internet from the first minute: activate your eSIM with a QR code, forget expensive roaming and browse in 4G/5G.

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Why do you need an eSIM for the UK?
The UK is one of the favorite destinations for Spaniards, but also one that leaves the biggest surprises on their phone bills. Since Brexit, the UK is no longer obligatorily part of the European Union's free roaming zone, so the "roam like at home" you enjoy in France or Italy is not guaranteed here. Some Spanish operators still include the country in their plan, but many apply daily surcharges or send you directly to a pay-per-use zone. Result: you can land in London and start spending without realizing it.
Until now, you had three uncomfortable options: activate your operator's roaming and cross your fingers with the bill, buy a local SIM at the airport by waiting in line and changing your number, or carry a pocket WiFi that you have to return and recharge. A PuraSIM eSIM solves everything: you buy the plan, receive a QR code, and install it before leaving home. When you land at Heathrow, you already have internet, without changing your physical card or losing your WhatsApp number.
How much does roaming cost in the UK?
It depends on your operator, but it's rarely cheap. As the UK is not covered by EU roaming rules, many Spanish companies charge a daily fee of between €3 and €6 per day, which means €20-€40 in a week just for connecting. And if your plan sends the country to "zone 2" or "rest of the world, " a single megabyte can skyrocket to several euros, with bills of €100 or more for checking maps and social media. With an eSIM, you pay once, you know the price beforehand, and the savings compared to roaming are around 80-90%.
How much does an eSIM for the UK cost?
Much less than you imagine. At PuraSIM, you have plans starting; you choose the GB according to how many days you're staying, and there are no contracts or hidden fees: you only pay for the trip. You can start with a small plan for a weekend in London or go for a large one if you're traveling through Scotland for two weeks. See all eSIM plans for the UK and choose the one that fits your data usage.
How many GB do I need for the UK?
The answer depends on how much you use your mobile. If you'll be using maps, messaging, and some social media, a normal usage plan will be more than enough; if you livestream, upload videos, or share your connection with a laptop, go for an intensive plan. This table gives you a realistic reference for a trip to the UK:
| Duration | Light usage | Normal usage | Intense usage |
|---|---|---|---|
| 3-4 days | 1 GB | 3 GB | 5 GB |
| 1 week | 3 GB | 7 GB | 15 GB |
| 2 weeks | 5 GB | 12 GB | 25 GB |
What is the best eSIM for the UK?
The best one is the one that connects to a top-tier network and activates in a minute. PuraSIM's eSIM relies on the main British mobile networks — EE (part of the BT group, the one with the widest coverage in the country), Vodafone UK, O2, and Three — so you'll browse in 4G/5G in the city and have good coverage on the road. Here's what you get:
- Top-tier local network: you automatically connect to the best available signal (EE, Vodafone, O2, or Three).
- Activation in 1 minute: install the QR at home, and the line connects automatically upon landing.
- Hotspot included: share data with your laptop, tablet, or whoever is traveling with you.
- No contract and 24/7 Spanish support: you only pay for the trip and have help if something goes wrong.
Coverage in the UK: city by city
- London: 5G throughout the city and coverage at Heathrow, Gatwick, Stansted, and Luton airports. The Underground (Tube) already has 4G/5G signal on several lines, such as the Elizabeth and Jubilee lines.
- Manchester: 5G in the city center and good signal at the airport and Piccadilly, one of the major northern rail hubs.
- Edinburgh and Glasgow: excellent urban coverage in Scotland, including the Old Town, Princes Street, and train stations.
- Birmingham and Liverpool: stable 4G/5G in the city center, stadiums, and shopping areas.
- Scottish Highlands and rural Wales: in mountainous areas like Snowdonia or the Highlands, the signal is more irregular; in towns and on main roads, you'll stay connected, but expect spots without coverage in nature.
eSIM, local SIM, or pocket WiFi
A local SIM requires waiting in line at the airport, registering the card, and changing your number; a pocket WiFi is another device to carry, return, and always have with you. The eSIM wins in convenience: it arrives by email, is installed before you fly, keeps your number for calls and WhatsApp, and you don't have to return anything. For a trip to the UK, it's the fastest and most hassle-free option.
How do you activate the eSIM for the UK?
- Purchase and receive the QR: you choose your plan, and the code arrives by email in minutes.
- Install at home with WiFi: scan the QR and add the eSIM to your mobile before traveling.
- Activate upon arrival: land in the UK and activate the eSIM's data roaming.
- Connect: the line automatically connects to the British network, and you're browsing, without touching your physical SIM.
Tips for not overspending
- Deactivate roaming on your physical Spanish SIM so it doesn't accidentally activate.
- Download offline maps of London and your routes before leaving.
- Take advantage of hotel, pub, and café WiFi for large downloads.
- Choose GB with a margin: upgrading your plan is more expensive than starting with some leeway.
Traveling to more destinations?
If your route doesn't end in the British Isles, we have a plan for the rest. Check out the eSIM for Europe if you're crossing the Channel, the plans for Italy for your next getaway, or our international eSIM with worldwide coverage. Looking for ideas? Discover all our popular destinations and always travel connected.
Guides for travelling to United Kingdom
See all guides →
Is there roaming in the UK? Prices after Brexit (2026)
eSIM for Glasgow: instant internet from the airport for your Scotland trip
Internet in the UK: How to Stay Connected – eSIM, Roaming or Local SIM?
eSIM for Scotland — Edinburgh, the Highlands & the Hebrides
eSIM for the UK: Internet in London Without Roaming
eSIM for Edinburgh: no-roaming internet after Brexit
