Title: £383 Cheap Finnair flights from Istanbul to Reykjavik (IST→KEF) - Expedia.co.uk ![Reykjavik which includes a city, general coastal views and mountains](https://images.trvl-media.com/place/6054688/f3429d78-a276-48d7-b35e-d610a6d93654.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6054688/f3429d78-a276-48d7-b35e-d610a6d93654.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £383 Cheap Finnair flights from Istanbul to Reykjavik (IST→KEF) [View £383 flight on Fri, 13 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IST,to:KEF,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:382.80&airProductToken=AQp_Cj4IwbIBEgQzMzA0GMicASCHWSikwYcDMIXDhwM4UUAAWAFqBUVGTEVYcghRTk4wUzlGWnoKCNSWARIEMzMwNAo9CMGyARIENjgxNxiHWSCKKSirzIcDMJvOhwM4UUABWAFqBUVGTEVYcghRTk4wUzlGWnoKCMaSARIENjgxNxIKCAEQARgBKgJBWRgBIgQIARABKAIoBCgGMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Finnair flights from Istanbul to Reykjavik (IST→KEF) Prices were available within the past 7 days and start at £383 for one-way flights and £755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Sun, 25 Jan - Fri, 30 Jan IST Istanbul KEF Reykjavik £755 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IST,to:KEF,departure:25/01/2026TANYT&leg2=from:KEF,to:IST,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:754.10&airProductToken=AQpnCjIIwbIBEgQzMzAyGMicASCHWSi-rYMDMJ-vgwM4UUAAWAFqBUVGTEVYcghRTk4wUzlGWgoxCMGyARIENjgxNxiHWSCKKSirsIMDMJuygwM4UUABWAFqBUVGTEVYcghRTk4wUzlGWgpnCjEIwbIBEgQ2ODE2GIopIIdZKMLmgwMwj-iDAzhRQABYAWoFRUZMRVhyCFFOTjBTOUZaCjIIwbIBEgQzMzAzGIdZIMicASj86oMDMOLsgwM4UUABWAFqBUVGTEVYcghRTk4wUzlGWhIKCAEQARgBKgJBWRgBIgQIARABKAIoBCgGMAE) ## Frequently asked questions ### How much is a Finnair flight from Istanbul (IST) to Keflavik Intl. Airport (KEF)? > You can discover cheap round-trip Finnair flights from £755 from IST to KEF by organising your results from "Price (lowest to highest)" on Expedia. Or look for deals from £383 for a one-way trip.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from IST to KEF with Finnair? > January is one of the cheapest months to fly to Reykjavik with Finnair. You could also find great deals on one-way and return tickets in April. ### Does Finnair fly nonstop from Istanbul (IST) to Keflavik Intl. Airport (KEF)? > Enter your dates, click search and check the "Nonstop" filter on Expedia to find any direct flights from IST to KEF with Finnair or another carrier. ### Can I change or cancel my Finnair flight from Istanbul (IST) to Keflavik Intl. Airport (KEF)? > Depending on the type of fare you purchased, a fee is typically charged if you change or cancel your booking more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "Changes included" and "No cancel fee" boxes while searching for flights. For more information on cancelling or modifying your reservation, go to "[Trips](https://www.expedia.co.uk/trips)," select your flight and tick "Manage Booking." ## Travel information | Origin airport | Istanbul | | --- | --- | | Destination airport | Keflavik Intl. | | Airlines serving | Air Baltic, British Airways, Finnair, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines | | Popular airline | Icelandair | | Distance | 4091 km | | Average flight time | 5 hours 55 mins | ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [Hotels near Blue Lagoon](https://www.expedia.co.uk/Blue-Lagoon-Hotels.0-l6062457-0.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Southern Peninsula](https://www.expedia.co.uk/Destinations-In-Southern-Peninsula-Gay-Friendly-Hotel.0-0-d6246043-tGayFriendlyHotel.Hotel-Filter-Destinations) - [Southern Peninsula Hotels](https://www.expedia.co.uk/Destinations-In-Southern-Peninsula.d6246043.Hotel-Destinations) - 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