If you're planning a trip to Reykjavik, having internet from the moment you land at Keflavík Airport changes your entire experience: access to city maps, booking the Blue Lagoon, and calling your hotel without hunting for Wi-Fi. A data eSIM solves the connection problem without expensive roaming, and in this guide, you'll see how much coverage there is in the capital, how to activate the eSIM upon landing, and how many GB you'll need so you don't run out.
Internet right after landing at Keflavík Airport
Reykjavik's airport is Keflavík (KEF), about 50 km from the city center. The direct answer: with an eSIM installed before departure, you activate data as soon as you land and have internet in 1 minute, without searching for Wi-Fi or buying a SIM at a counter. Just what you need to request the Flybus or open the map to your hotel.
Landing with a connection avoids the typical initial stress: not knowing how to get around, wanting to announce your arrival, and the airport's Wi-Fi being slow or requiring registration. With the eSIM already set up, you simply activate its data and it works, so you leave Keflavík with maps, transport, and messaging resolved. Plus, the journey from Keflavík to Reykjavik crosses the lunar landscape of the Reykjanes peninsula, perfect for taking photos and sharing them along the way.

Coverage in Reykjavik and surroundings
Reykjavik has excellent 4G and 5G coverage. Iceland is a very connected country despite its small population, and in the capital and its metropolitan area, you won't have signal problems. Travel eSIMs rely on local operators, so you'll browse just like an Icelander in the city center, in Keflavík, and at nearby tourist spots.
Outside the capital, coverage remains good along the Ring Road and in towns, although there may be gaps in very sparsely populated inland areas or mountain routes. For a getaway focused on Reykjavik and day trips, coverage is more than sufficient. Our Iceland eSIM connects to local networks so you'll also have a signal in the Golden Circle or the Blue Lagoon.
How many GB do you need for a Reykjavik getaway
A getaway to Reykjavik usually lasts 3 to 5 days, and typical use includes maps, social media, finding restaurants, and uploading photos of auroras or waterfalls. For that profile, 3 to 5 GB will be more than enough. If you're going to use streaming, video calls, or share internet with your laptop, upgrade to 8-10 GB to avoid running out.
| Duration | Normal use | Recommended GB |
|---|---|---|
| Weekend (3 days) | Maps, social media, photos | 3 GB |
| Getaway (5 days) | Normal use + browsing | 5 GB |
| Week (7 days) | Occasional video and hotspot | 8-10 GB |
A note about Iceland: you'll use GPS quite a bit to navigate between points and check the weather (which changes every hour). This uses little data, but it's worth keeping in mind. If you want to fine-tune, check the travel data consumption guide.
Tip: Download offline maps of Reykjavik on Google Maps before your trip. That way, even if you use less data, you'll always have basic navigation available.

Reykjavik is not all of Iceland: choose your plan wisely
Here's an important nuance: an eSIM for Reykjavik is actually an Iceland eSIM, because coverage is contracted by country, not by city. If your trip is limited to the capital and nearby excursions, a small plan will suffice. But if you're going to explore the Ring Road or the south of the island for several days, you'll need more GB and validity.
That's why it's a good idea to decide your itinerary before buying. For a short city getaway, a light plan; for a trip around the island, a generous plan. You can find details in our complete eSIM guide for Iceland. And if you're also visiting other Nordic countries like Norway or Denmark, check out the eSIM for Scandinavia or directly the eSIM for Norway, depending on your route.
How to install and activate the eSIM before flying
The process is quick and done at home. You buy the Iceland plan, receive a QR by email, scan it from your phone's settings, and the eSIM is saved as a second line. Keep the data off until you land in Keflavík to avoid wasting validity prematurely.
Upon landing, go to settings, activate the eSIM's mobile data, and in 1 minute you'll have internet. Keep your Spanish SIM for receiving SMS if you need it, but with roaming deactivated to avoid extra charges. If this is your first eSIM, follow the step-by-step guide on how to install an eSIM, valid for iPhone and Android; the only requirement is that your phone is eSIM compatible, which applies to almost all recent models.
A useful note for Iceland: most data eSIMs don't come with an Icelandic phone number, so for calls, you'll use voice apps over data. For the vast majority of travelers, that's more than enough, because in Reykjavik what you need is internet for navigation and bookings, not a local number.
What to do with internet in Reykjavik
Having data in Reykjavik is more useful than it seems. The city is small and very walkable, but internet helps you make the most of it: booking the Blue Lagoon at a specific time, checking the Northern Lights forecast in real-time apps, finding where to eat lamb soup, and getting around by public transport or taxi.
- Auroras: Apps that notify you of the KP index to know when to go out and look at the sky.
- Weather: Icelandic weather changes very quickly; checking it online can save your excursions.
- Bookings: Blue Lagoon, Golden Circle tours, and restaurants often require online booking.
In short, a connection isn't a luxury in Reykjavik: it's what allows you to adapt to the changing weather and not miss an aurora by not checking the app on time.
Frequently asked questions
How do I get internet when I arrive at Keflavík Airport?
Install an Iceland eSIM before leaving home, and upon landing in Keflavík, activate its mobile data. In 1 minute, you'll have internet, without searching for Wi-Fi or buying a SIM at a counter. Ideal for requesting the Flybus or opening the map to Reykjavik.
Is there good coverage in Reykjavik?
Yes, excellent. Iceland is very well connected, and in Reykjavik and its metropolitan area, you'll have 4G and 5G without problems. Travel eSIMs use local operators, so you'll browse just like a resident in the capital and at nearby tourist spots.
How many GB do I need for a Reykjavik getaway?
For 3-5 days with maps, social media, and photos, 3-5 GB will be more than enough. If you're streaming, making video calls, or sharing internet with your laptop, upgrade to 8-10 GB. Remember that you'll use GPS quite a bit to get around and check the weather.
Does the Reykjavik eSIM work throughout Iceland?
Yes, because a Reykjavik eSIM is actually an Iceland eSIM: coverage is contracted by country. It works on the Ring Road and in the south of the island, although there may be gaps in very sparsely populated inland areas, which is also normal with a local SIM.
Do I need the eSIM to see the Northern Lights?
Not to see them, but it helps a lot: with internet, you can check aurora index (KP) apps and the sky forecast in real-time to know when to go out. In Iceland, the weather changes every hour, so having data helps you avoid missing a good night.
Conclusion
For Reykjavik, an Iceland eSIM gives you internet from Keflavík, plenty of coverage in the capital, and the freedom to adapt to the changing climate and auroras. Choose your GB based on your itinerary and deactivate roaming on your Spanish line. With PuraSim's Iceland eSIM, you connect in 1 minute upon landing and enjoy Reykjavik without worrying about the bill; check it out in our store before you fly.


