Cheap Flights from Reykjavik Keflavik to Istanbul

Compare Reykjavik Keflavik to Istanbul flight deals

Find the cheapest month or even day of the year to fly to Istanbul

Book the best Istanbul fare with no extra fees

Flight deals from Reykjavik Keflavik to Istanbul

Looking for a cheap last-minute deal or the best return flight from Reykjavik Keflavik Airport to Istanbul Airport? If you want to travel next month, return fares start from ر.ق.‏ 1,231. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Reykjavik Keflavik to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to Istanbul flights are currently cheapest in October.

Reykjavik Keflavik to Istanbul: Alternative routes

Compare routes from Reykjavik Keflavik to Istanbul below. You may find an airport to fly into that's cheaper, faster, or easier than Istanbul.

Reykjavik to Istanbul: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 460
Cheapest month to flyOctober

Finding cheap flights from Reykjavik Keflavik to Istanbul: Frequently asked questions

The best price we found for a return flight from Reykjavik Keflavik to Istanbul is ر.ق.‏ 929. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Reykjavik Keflavik to Istanbul. But we found flights with one or more stops from ر.ق.‏ 929.
As of May 2026, there are no flights flying from Reykjavik Keflavik to Istanbul.
The cheapest month to fly from Reykjavik Keflavik to Istanbul is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to Istanbul Airport on Monday, 5 October 2026.
No airlines currently offer direct flights between Reykjavik Keflavik Airport and Istanbul Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Istanbul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scandinavian Airlines offers the cheapest flight tickets to Istanbul.

Travelling from Keflavik International Airport (KEF) to Istanbul Ataturk Airport (IST): what you need to know

  • The timezone in Istanbul is UTC+3, which is three hours ahead of Reykjavik.

  • Leave enough time to catch your KEF to IST flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like July? Public holidays and other popular periods can result in longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Keflavik International Airport to Istanbul Ataturk Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Popular stopovers between KEF and IST include:

    • Riga International Airport

    • Dublin Airport

    • Franz Josef Strauss Airport

How to find the cheapest flights from Keflavik International Airport (KEF) to Istanbul Ataturk Airport (IST)

  • ر.ق.‏ 460 is currently the lowest price for a one-way Keflavik International Airport to Istanbul Ataturk Airport flight. A return flight starts from ر.ق.‏ 929. These prices can change based on availability and demand.

  • It's often best to book ahead of time if you're looking for cheap tickets from KEF to IST. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the cheapest price across each month when looking for your flight from Keflavik International Airport to Istanbul Ataturk Airport.

  • Save time searching for cheap flights from KEF to IST by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Lock in the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Keflavik International Airport to Istanbul Ataturk Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Keflavik International Airport (KEF)

  • 66.96% of flights leaving from Keflavik International Airport make it to their destination on schedule.

  • To get to Keflavik International Airport from central Reykjavik, it takes about 50 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 48 kilometres from the airport to the city centre.

  • Planning to catch public transport? Expect a journey time of around 1 hour 15 minutes.

  • Looking for a handy hotel close to KEF? If you've booked an early flight from Keflavik International Airport to Istanbul Ataturk Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Istanbul Ataturk Airport (IST)

Getting from Istanbul Ataturk Airport (IST) to central Istanbul

  • From Istanbul Ataturk Airport, Istanbul is approximately 48 kilometres away. It takes around 50 minutes to get to the centre driving.

  • If you're using public transport, expect a journey time of around 1 hour 45 minutes.

When to fly to Istanbul Ataturk Airport (IST)

  • It's time to work out your dates for your flight from Keflavik International Airport to Istanbul Ataturk Airport. April is the most popular month to head to Istanbul. If you'd like a more low-key vibe, go in February.

  • Before locking in your flight from Keflavik International Airport to Istanbul Ataturk Airport, think about the kind of weather you like. August is the warmest month in Istanbul, with temperatures ranging from 20ºC to 30ºC.

  • January has average temperatures of between 2ºC and 11ºC. Search for cheap tickets from KEF to IST sometime around then if you'd rather travel in cooler conditions.

Explore more of Türkiye (Turkey)

  • You've visited Istanbul, now it's time to discover other parts of Türkiye (Turkey). Journey about 354 kilometres east to Ankara to tick off its leading sights. From Museum of Anatolian Civilizations to Kocatepe Mosque (Kocatepe Camii) and Genclik Park, there's plenty to keep you on the go.

  • If you're eager to discover another side of Türkiye (Turkey), head for Izmir, about 322 kilometres south-west of Istanbul. Kordonboyu, Kadifekale Castle and Konak Square are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.