How to Find the Cheapest Fuel in Iceland

Fuel in Iceland is expensive, and prices can vary quite a bit between gas stations. Before filling up, use Gasvaktin, a simple website that compares fuel prices around the country.

You’ll see gas stations marked by price:

🟢 Green = cheapest
🟡 Yellow = mid-range
🔴 Red = most expensive

If you open the map on your phone and allow location access, it will show you the cheapest stations near you. This is especially useful on a road trip when you don’t want to overpay without realizing it.

The cheapest fuel in Iceland is usually at Costco in Reykjavík, but you need a valid Costco membership card to use it.

If you don’t have one, your best strategy is to do larger fill-ups in bigger towns and areas like Reykjavík, Borgarnes, Laugarbakki, Akureyri, and Selfoss. Smaller rural stations are often more expensive.

Some car rental companies also provide fuel discount tags for specific gas station chains. These can save you a few krónur per liter. Some companies, like Orkan, may allow you to add a discount card to your digital wallet, while other options may require an Icelandic kennitala, which usually makes them unavailable to tourists.

💡Practical tip

Save the Gasvaktin map to your phone’s home screen so you can check prices quickly while traveling.

iPhone: Open the website, tap the share button, then tap Add to Home Screen.
Android: Open the website, tap the three dots in the top right corner, then tap Add to Home screen.

I don’t include every gas station in this guide because the map is focused on curated places worth visiting. For fuel planning, Gasvaktin is simply the better tool.