The quick verdict
An eSIM is the easy option, and coverage is strong enough for a self-drive trip.
Get an eSIM for Iceland ↗
Airalo sells a local Iceland eSIM — pick it on their store. Some links here are partner links: if you buy through them, Diaries of Travels may earn a commission at no extra cost to you. We only point to a service when it matches the advice on the page, and a commission never changes what we recommend. Disclosure →
What to expect
- Coverage
- Iceland has excellent coverage around the Ring Road and in towns, with gaps in the highlands.
- Networks
- Runs on Síminn (widest reach), Vodafone Iceland or Nova.
- Data for a week
- 5–10 GB for a week if you're navigating a self-drive and checking aurora and weather forecasts constantly.
- Good to know
- Síminn has the best reach in the interior and the Westfjords. Always keep offline maps for the F-roads and highland routes.
eSIM, local SIM or roaming?
For most trips to Iceland, an eSIM is the simplest choice: you buy and install it before you fly, then land already online. A local SIM can be cheaper for very long stays, but means queuing at the airport and sometimes registering ID. Your home carrier's roaming is the most expensive option and worth avoiding unless your plan already includes Iceland.
How to set up your Iceland eSIM
- Check your phone. It needs to be eSIM-compatible and carrier-unlocked. Most phones from the last few years qualify.
- Buy the Iceland eSIM before you fly, while you still have Wi-Fi at home.
- Install it over Wi-Fi. A one-tap install or a QR code adds it as a second line — your home SIM stays in place.
- Land and switch on. Turn on data roaming for the eSIM line only. It connects to a local network automatically.
- Keep your number. Leave your home SIM active for calls and texts, and use the eSIM for data.
One honest caveat
Coverage, plans and prices change, and networks vary by region within Iceland. Always download offline maps for anywhere remote, and check your phone supports eSIM before you buy.