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Flight tickets from Istanbul to Kos

Compare Istanbul to Kos flight deals

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

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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.
Kos.₹ 7,394 per passenger.Departing Fri, 27 Feb.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Fri, 27 Feb, arriving in Kos.Price includes taxes and charges.From ₹ 7,394, select.
Kos.₹ 8,688 per passenger.Departing Tue, 4 Nov.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Tue, 4 Nov, arriving in Kos.Price includes taxes and charges.From ₹ 8,688, select.
Kos.₹ 8,747 per passenger.Departing Mon, 15 Dec.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Mon, 15 Dec, arriving in Kos.Price includes taxes and charges.From ₹ 8,747, select.
Kos.₹ 10,744 per passenger.Departing Mon, 6 Oct.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Mon, 6 Oct, arriving in Kos.Price includes taxes and charges.From ₹ 10,744, select.
Kos.₹ 11,724 per passenger.Departing Tue, 30 Sep.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Istanbul on Tue, 30 Sep, arriving in Kos.Price includes taxes and charges.From ₹ 11,724, select.
Kos.₹ 11,893 per passenger.Departing Mon, 27 Apr.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Mon, 27 Apr, arriving in Kos.Price includes taxes and charges.From ₹ 11,893, select.
Kos.₹ 12,352 per passenger.Departing Thu, 6 Aug.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Istanbul on Thu, 6 Aug, arriving in Kos.Price includes taxes and charges.From ₹ 12,352, select.

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 February.
Sep
from ₹ 11,641
Oct
from ₹ 10,668
Nov
from ₹ 8,627
Dec
from ₹ 8,685
Jan
Find prices
Feb
from ₹ 7,342
Mar
Find prices
Apr
from ₹ 11,810
May
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Jun
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Jul
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Aug
from ₹ 12,265

Istanbul to Kos: Flight information

The things to know before you go.
Cheapest flight found₹ 7,342
Cheapest month to flyFebruary

Finding cheap flights from Istanbul to Kos: Frequently asked questions

The best price we found for a return flight from Istanbul to Kos is ₹ 17,699. 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 ₹ 17,699.
As of September 2025, there are no flights flying from Istanbul to Kos.
The cheapest month to fly from Istanbul to Kos is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Kos Airport on Saturday, 1 November 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

  • Get to the airport on time so you don't miss your flight from Istanbul to KGS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Peak travel periods mean busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • Located around 48 kilometres from central Istanbul, IST can be reached in about 50 minutes by car (depending on traffic). The journey by public transport is roughly 1 hour 45 minutes.

  • Planning to catch an early flight from Istanbul to Kos Airport? Avoid the hassle of rushing to the terminal (and get some bonus sleep) by staying at one of these stays near Istanbul Ataturk Airport:

Sabiha Gokcen International Airport (SAW)

  • SAW is about 48 kilometres from central Istanbul. It'll take 55 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 30 minutes.

  • Catching an early morning flight? You might like to check in to one of these accommodation options near Sabiha Gokcen International Airport the day before your Istanbul to KGS flight:

  • 76.93% of flights taking off from Sabiha Gokcen International Airport arrive according to schedule.

About Kos Airport (KGS)

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

  • ₹ 7,394 is currently the best price for a one-way ticket from Istanbul to Kos Airport. A return flight starts from ₹ 17,574. These fares may change based on demand.

  • Don't leave things to the last moment. You're more likely to walk away with cheap flights from Istanbul to KGS if you book in advance. Airlines often offer some excellent early bird discounts.

  • If you have some flexibility with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your Istanbul to Kos Airport ticket.

  • Save money on your flight from Istanbul to Kos Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Plan the rest of your trip from Istanbul to Kos

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