Icelandair Flight FI521 Deals & Information (2024/2025)

Wander Wisely with exceptional service, 24/7 support

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Icelandair Flight 521 Route Deals From $313

The cheapest prices found with in the last 7 days for return flights were $382 and $313 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 4 - Tue, Jun 11
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$382 Roundtrip, found 5 hours ago
$382
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Tue, Jun 4 from Frankfurt Intl. to Keflavik Intl., returning Tue, Jun 11, priced at $382 found 5 hours ago
Sat, Aug 17 - Tue, Aug 20
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$395 Roundtrip, found 3 hours ago
$395
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Sat, Aug 17 from Frankfurt Intl. to Keflavik Intl., returning Tue, Aug 20, priced at $395 found 3 hours ago
Thu, Sep 5 - Mon, Sep 9
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$408 Roundtrip, found 2 hours ago
$408
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Thu, Sep 5 from Frankfurt Intl. to Keflavik Intl., returning Mon, Sep 9, priced at $408 found 2 hours ago
Fri, Aug 30 - Mon, Sep 2
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$422 Roundtrip, found 2 hours ago
$422
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Fri, Aug 30 from Frankfurt Intl. to Keflavik Intl., returning Mon, Sep 2, priced at $422 found 2 hours ago
Fri, Oct 11 - Mon, Oct 14
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$427 Roundtrip, found 2 hours ago
$427
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Fri, Oct 11 from Frankfurt Intl. to Keflavik Intl., returning Mon, Oct 14, priced at $427 found 2 hours ago
Thu, Sep 5 - Mon, Sep 9
FRA
Frankfurt Intl.
KEF
Keflavik Intl.
$435 Roundtrip, found 2 hours ago
$435
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Thu, Sep 5 from Frankfurt Intl. to Keflavik Intl., returning Mon, Sep 9, priced at $435 found 2 hours ago

Frequently asked questions

What route does flight number FI521 take?
You’ll be touching down at Keflavik Intl. Airport (KEF) from FRA if you’re traveling on flight number FI521. You’ll be in the sky for 3 hours and 35 minutes on this trip. What’s more, the flight conveniently travels non-stop.
How often is FI521 on time?
About 100% of FI521 flights head off on time — so if you’re flying between Frankfurt am Main Airport and Keflavik Intl. Airport (KEF), you can kick back knowing that you will get where you need to as quickly as possible. In the rare event that your Icelandair trip encounters a delay, the average wait is about 7 minutes. Thanks to the airline’s first-rate service, this route has a star rating of 4.
What terminal does FI521 fly out of?
You’ll likely be climbing aboard the plane at Terminal 2 if you’re flying on FI521 direct from Frankfurt Intl. Airport (FRA) to Reykjavík–Keflavík Airport.
What kind of plane is on flight number FI521?
The route for flight number FI521 is nearly always Frankfurt Intl. Airport (FRA) to Reykjavík–Keflavík Airport, and the Boeing 767-300 is the type of plane you’re likely to be flying with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your FI521 flight with Travelocity, please visit our Customer Service Portal.