£120 Cheap Flights from Istanbul (IST) to Reykjavik (KEF)

View £120 flight on Fri, 1 May 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Keflavik International Airport (KEF)

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Cheap Flights from Istanbul (IST) to Reykjavik (KEF)

Prices were available within the past 7 days and start at £120 for one-way flights and £251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, 6 May - Sat, 9 May
IST
Istanbul
KEF
Reykjavik
£251 Return, found 5 days ago
£251
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 6 May from Istanbul to Reykjavik, returning Sat, 9 May, priced at £251 found 5 days ago
Lufthansa
Wed, 6 May - Sat, 9 May
IST
Istanbul
KEF
Reykjavik
£264 Return, found 5 days ago
£264
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 6 May from Istanbul to Reykjavik, returning Sat, 9 May, priced at £264 found 5 days ago
Lufthansa
Wed, 6 May - Sat, 9 May
IST
Istanbul
KEF
Reykjavik
£271 Return, found 5 days ago
£271
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 6 May from Istanbul to Reykjavik, returning Sat, 9 May, priced at £271 found 5 days ago
KLM
Thu, 1 Oct - Sun, 4 Oct
IST
Istanbul
KEF
Reykjavik
£272 Return, found 3 days ago
£272
Return
found 3 days ago
Select KLM flight, departing Thu, 1 Oct from Istanbul to Reykjavik, returning Sun, 4 Oct, priced at £272 found 3 days ago
Lufthansa
Fri, 1 May - Tue, 5 May
IST
Istanbul
KEF
Reykjavik
£284 Return, found 6 days ago
£284
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 1 May from Istanbul to Reykjavik, returning Tue, 5 May, priced at £284 found 6 days ago
KLM
Thu, 1 Oct - Sun, 4 Oct
IST
Istanbul
KEF
Reykjavik
£288 Return, found 3 days ago
£288
Return
found 3 days ago
Select KLM flight, departing Thu, 1 Oct from Istanbul to Reykjavik, returning Sun, 4 Oct, priced at £288 found 3 days ago
Lufthansa
Sat, 16 May - Mon, 1 Jun
IST
Istanbul
KEF
Reykjavik
£300 Return, found 4 days ago
£300
Return
found 4 days ago
Select Lufthansa flight, departing Sat, 16 May from Istanbul to Reykjavik, returning Mon, 1 Jun, priced at £300 found 4 days ago
Icelandair
Thu, 19 Nov - Tue, 24 Nov
IST
Istanbul
KEF
Reykjavik
£527 Return, found 6 days ago
£527
Return
found 6 days ago
Select Icelandair flight, departing Thu, 19 Nov from Istanbul to Reykjavik, returning Tue, 24 Nov, priced at £527 found 6 days ago
British Airways
Thu, 1 Oct - Sun, 4 Oct
IST
Istanbul
KEF
Reykjavik
£535 Return, found 3 days ago
£535
Return
found 3 days ago
Select British Airways flight, departing Thu, 1 Oct from Istanbul to Reykjavik, returning Sun, 4 Oct, priced at £535 found 3 days ago
Finnair
Thu, 1 Oct - Sun, 4 Oct
IST
Istanbul
KEF
Reykjavik
£653 Return, found 3 days ago
£653
Return
found 3 days ago
Select Finnair flight, departing Thu, 1 Oct from Istanbul to Reykjavik, returning Sun, 4 Oct, priced at £653 found 3 days ago

Frequently asked questions

How do I find cheap flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
To find a cheap flight from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
The best airline to fly with from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) will differ from traveller to traveller. If you like to fly early, FI offers early morning flights. If price is the most important factor, FI typically offers the lowest fares. TK offers the most daily flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
There are approximately 71 connecting flights per day from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.). Some common connection points include Kastrup (CPH), Schiphol (AMS), and Frankfurt Intl. (FRA).
What is the earliest flight from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
The earliest flight from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) typically departs at approximately 12:15 AM local time. This service is operated by RO and LH and is seasonal, active only in March. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
You'll typically find the most flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) on a Wednesday, with around 43 flights available. This gives you a good selection of options for your journey. Major airlines on this route include TK, LH, and BA. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights on other days.
What are the most popular departure times for flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
The most popular departure times for flights from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) are between 9am and 12pm. About 34% of passengers prefer this time. Many major carriers, including Turkish Airlines, Icelandair and Lufthansa, offer flights during this window. This timing works well because it allows for a morning departure, giving you a good portion of the day for travel and arrival.
How long does it take to fly from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
Flying nonstop from IST to KEF takes around 6 hours, with the route covering approximately 2,558 miles. Flights with a layover typically take 3 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
Select the "Business class" and "First class" filters when looking for IST to KEF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) flight with Expedia?
It's easy to earn miles on a Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Reykjavik from Istanbul Airport (IST)?
From Istanbul Airport (IST), you can fly directly into Keflavik Intl. (KEF) to reach Reykjavik. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Henri Coanda Intl. (OTP) before reaching Reykjavik. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) at the last minute?
Typically, booking a last minute flight from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package?
Securing a Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.)?
If you booked your Istanbul (IST) to Reykjavik (KEF-Keflavik Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Istanbul
Destination airport
Keflavik Intl.
Airlines serving
Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines
Return price
£250
Distance
4091 km

Book with confidence

Compare flights from Istanbul to Reykjavik easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Istanbul to Reykjavik. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Keflavik Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Istanbul to Keflavik Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Istanbul (IST) to Keflavik Intl. (KEF)

The easiest way to view the best deals on flights from Istanbul to Reykjavik today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Istanbul to Keflavik Intl. start at just £251 and range up to £653.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Istanbul and Reykjavik
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Istanbul to Reykjavik flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Istanbul to Keflavik Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Istanbul to Reykjavik easily and book with confidence

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