Cheap Flights from Istanbul to Kos

Compare Istanbul to Kos flight deals

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

Book the best Kos fare with no extra fees

Flight deals from Istanbul to Kos

Looking for a cheap last-minute deal or the best return flight from Istanbul to Kos? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Istanbul to Kos

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

Istanbul to Kos: Flight information

The things to know before you go.
Cheapest flight foundRs23,836
Cheapest month to flyOctober

Finding cheap flights from Istanbul to Kos: Frequently asked questions

The best price we found for a return flight from Istanbul to Kos is Rs54,359. 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 Istanbul to Kos. But we found flights with one stop from Rs54,359.
As of April 2025, there are no flights flying from Istanbul to Kos.
The cheapest month to fly from Istanbul to Kos is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Kos Airport on Friday, 19 September 2025.
No airlines currently offer direct flights between Istanbul and Kos 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 Kos 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 Kos is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kos is Aegean Airlines .

Travelling from Istanbul to Kos Airport (KGS): what you need to know

  • Greece is 1 hour behind Istanbul. Kos Airport is located in Greece, which operates on the UTC+2 timezone.

  • Leave plenty of time to get on your flight from Istanbul to KGS. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • You'll want to head there even earlier during popular months like August. Aim for two hours before a domestic departure and four hours ahead of international flights. After checking in, you can use any extra time to relax or find something to eat.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • A stopover is the perfect opportunity to take a travel break — and perhaps even tour another city. When searching for flights from Istanbul to KGS leaving from Istanbul Ataturk Airport (IST), deselect the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • Thessaloniki International Airport (SKG)

    • Leonardo da Vinci-Fiumicino Airport (FCO)

    • Eleftherios Venizelos International Airport (ATH)

  • The distance from central Istanbul to IST is approximately 48 kilometres. Check out travel apps like Google Maps for the quickest route, whether you're driving or taking public transport.

  • Searching for a convenient hotel close to Istanbul Ataturk Airport? If you've booked an early flight from Istanbul to Kos Airport, these stays will put you moments from your departure lounge:

Sabiha Gokcen International Airport (SAW)

  • Visit friends or family or just take a moment to recharge with a stopover. If you'd like to break up your flight from Istanbul to Kos Airport, check out these options when setting off from Sabiha Gokcen International Airport:

    • Eleftherios Venizelos International Airport (ATH)

    • Vienna International Airport (VIE)

    • Leonardo da Vinci-Fiumicino Airport (FCO)

  • With public transport, you can travel from central Istanbul to SAW in about 1 hour and 30 minutes. The airport is roughly 48 kilometres away, and getting there by car takes approximately 57 minutes.

  • Kick off your holiday early with an extra night away from home. Before your flight from Istanbul to KGS, unwind in one of these hotels near Sabiha Gokcen International Airport:

About Kos Airport (KGS)

Getting from Kos Airport (KGS) to central Greece

  • The centre of Greece is around 434 kilometres from Kos Airport. Travel times by car rental or cab will vary depending on time of day, so do a little research ahead of your trip.

How to find the cheapest flights from Istanbul to Kos Airport (KGS)

  • Rs23,836 is the cheapest price we've found for a one-way ticket from Istanbul to Kos Airport. Return flights start from Rs54,359. Prices are subject to change based on availability and may vary at the time of booking.

  • To find cheap tickets from Istanbul to KGS, book as early as you can. Airlines typically offer the most competitive fares when flights are first released.

  • If you're flexible with your travel dates, make the most of the 'Whole month' tool. It'll show you the lowest price across every month when searching for your ticket from Istanbul to Kos Airport.

  • Set up a Price Alert for flight tickets from Istanbul to KGS. There's no need to search every day to see whether prices have dropped. We'll tell you when there's a change in price.

  • Tailor your flights with filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Istanbul to Kos Airport.

The best time to fly from Istanbul to Kos Airport (KGS)

  • August is the busiest month for flights from Istanbul to Kos Airport. To steer clear of the crowds, head to Greece in February when it's quieter.

  • The warmest month in Greece is July, with temperatures ranging between 22ºC and 33ºC. Lock in your flights from Istanbul to KGS in this month if this is the type of weather you enjoy.

  • Search for cheap flights from Istanbul to Kos Airport in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 2ºC and 13ºC on average.

More about Greece

  • After booking your flight from Istanbul to Kos Airport, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Greece:

  • Agios Panteleimonas and Κύμα - Kyma - The wave are just a couple of the popular attractions to put on your Greece must-do list. Keep the adventure rolling by checking out Τρείς μώλοι / Three piers beach.

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