Best eSIM for international students UK

You step off the plane tired. You need a map, a taxi app, your accommodation's address and a message to your family. All of that needs data. An eSIM gives you that connection the moment you land, with no shop visit, no queue and no postage.

You buy online, get a QR code and install it at home. Then you are ready before you fly. It also helps on trips home and in Europe, because the same kind of eSIM covers many countries.

One rule first: your phone must be eSIM-compatible and unlocked. Check this before you pay. If your phone is not eSIM-ready, you need a physical SIM instead. Think of an eSIM as your arrival bridge. When you settle in, you can move to a UK SIM with a UK number.

Check five things before you buy.

1. Your phone. It must be eSIM-compatible and carrier-unlocked.
2. Calls and SMS. Some eSIMs are data only. Breeze eSIM says so clearly. Banks and university apps often send texts to a UK number, so plan for that.
3. Data size and days. A 1 GB plan is fine for maps and messages. For video calls, pick more.
4. Price. Compare the price per day or per plan, not just the headline.
5. Refunds. Yesim refunds within 30 days if the eSIM is not activated, used or expired.

All prices here are the brands' own, as shown on their sites on 16 and 17 October 2026. They can change, so check at checkout.

Yesim is our number one. You get 15% off your first purchase with HONESTCODES, valid to 5 October 2027, and it works in the app and on the website. The code comes from our sister site HonestCodes. Yesim's United Kingdom eSIM is from £1.71 a day, and its pay-as-you-go 'Pay & Fly' is from £0.83/GB in 170+ countries.

Airalo covers 200+ locations. Its UK eSIM is from £3.50. Airalo's new-customer code is applied for you through our link, so check it shows at checkout.

Saily covers 200+ destinations. UK plans start from £3.49 for 1 GB, 3 GB is £6.99 and 5 GB is £9.99. Every plan has a 180-day activation period, so you can buy well before you fly. Saily has no discount on our link.

Go with Sim Local if you want a local-network eSIM and pay-as-you-go. It says its plans cost about 10% of roaming costs, and plans start from US$4.00 on its homepage. Use HONESTCODES: it is applied automatically through our link for 10% off. Check the discount at checkout.

Go with Breeze eSIM for simple prepaid data. It covers 190+ countries from £4.00 with no contract, and activation takes about 60 seconds. It is data only, with no regular calls or SMS.

Go with Nomad eSIM for Europe trips. Europe plans start at £4.16 for 1 GB over 7 days, and 10 GB for 30 days is £17.38. New users get a free 1 GB trial eSIM for their next trip. Nomad's conditions are not fully published, so read them first.

Do this at home, on Wi-Fi, before you fly.

1. Check your phone is eSIM-compatible and unlocked.
2. Open your chosen eSIM through our link and pick a UK plan.
3. Enter the code at checkout where the brand needs one. For Yesim, enter HONESTCODES and click 'Apply'. Sim Local applies it for you.
4. Pay and receive your QR code.
5. Install the eSIM in your phone settings. Keep it switched off for data until you land.
6. When you land, turn the eSIM on and set it as your data line.

In your first weeks, move to a UK SIM with a UK number. Pay-as-you-go SIMs need no credit check. Contracts usually need a UK bank account. Prices as shown on the brands' sites on 16 and 17 October 2026.