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Cheap Flights from Athens International to Kos

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Compare Athens International 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 Athens International to Kos

Looking for a cheap last-minute deal or the best return flight from Athens International to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.R 931 per passenger.Departing Sat, 24 Jan.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Sat, 24 Jan, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Wed, 21 May.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Wed, 21 May, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Thu, 12 Mar.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Thu, 12 Mar, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Sun, 26 Oct.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Sun, 26 Oct, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Mon, 1 Dec.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Mon, 1 Dec, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Tue, 3 Jun.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Tue, 3 Jun, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Sat, 1 Nov.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Sat, 1 Nov, arriving in Kos.Price includes taxes and charges.From R 931, select.
Kos.R 931 per passenger.Departing Wed, 11 Feb.One-way flight with SKY express.Outbound direct flight with SKY express departs from Athens International on Wed, 11 Feb, arriving in Kos.Price includes taxes and charges.From R 931, select.

Find the cheapest month to fly from Athens International to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Athens International to Kos flights are currently cheapest in May.
Apr
from R 1,529
May
from R 931
Jun
from R 931
Jul
from R 1,529
Aug
from R 1,379
Sep
from R 1,379
Oct
from R 931
Nov
from R 931
Dec
from R 931
Jan
from R 931
Feb
from R 931
Mar
from R 931

Direct flights from Athens International to Kos

Athens to Kos: Flight information

The things to know before you go.
Cheapest flight foundR 931
Cheapest month to flyFebruary
Average flight time1 hr, 2 mins
Most popular airlineAegean Airlines
Average flights per week80

Finding cheap flights from Athens International to Kos: Frequently asked questions

The best price we found for a return flight from Athens International to Kos is R 1,665. 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.
1 hour and 2 minutes is the average flight time from Athens International to Kos.
Aegean Airlines, Olympic Air and SKY express fly direct from Athens International to Kos.
As of April 2025, there are 80 flights per week flying from Athens International to Kos.
The cheapest month to fly from Athens International to Kos is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Athens International Airport to Kos Airport on Wednesday, 11 February 2026.
Yes – the average flight time is 1 hour and 2 minutes.
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.
Currently, SKY express offers the cheapest flight tickets to Kos.

Flying from Eleftherios Venizelos International Airport (ATH) to Kos Airport (KGS): what you need to know

  • Around 1 hour is how long you can expect to be in the air on a direct flight from Eleftherios Venizelos International Airport to Kos Airport.

  • Choose from 237 weekly Eleftherios Venizelos International Airport to Kos Airport flights. The 04:45 departure with Aegean Airlines is the earliest flight available. Sky Express operates the last service of the day at 23:05.

  • Leave enough time to make your ATH to KGS flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Taking off during a peak time like public or school holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • The airline that serves the most passengers on this route is Aegean Airlines.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Eleftherios Venizelos International Airport to Kos Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Worthwhile stopovers between ATH and KGS include:

    • Heraklion Airport

    • Thessaloniki International Airport

    • Leonardo da Vinci-Fiumicino Airport

How to find the cheapest flights from Eleftherios Venizelos International Airport (ATH) to Kos Airport (KGS)

  • Currently, R 931 is the lowest price we've seen for a one-way Eleftherios Venizelos International Airport to Kos Airport flight. The best price for a return ticket is R 1,665. Remember that fares may change due to availability at the time of booking.

  • Book 11 months before flying. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ATH to KGS.

  • The cheapest month for flights from Eleftherios Venizelos International Airport to Kos Airport is October. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as there's a new deal on cheap flights from ATH to KGS.

  • Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Eleftherios Venizelos International Airport to Kos Airport.

Handy information about Eleftherios Venizelos International Airport (ATH)

  • When it comes to the on-time performance of Eleftherios Venizelos International Airport, data shows 77.19% of flights arrive within the scheduled timeframe.

  • To reach Eleftherios Venizelos International Airport from central Athens, it'll take about 35 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 40 kilometres from the airport to the city centre.

  • You can expect a journey time of about 1 hour when using public transport.

  • Get your holiday off to a leisurely start by staying near ATH. Whether you have an early flight from Eleftherios Venizelos International Airport to Kos Airport or just don't want to be rushed, these stays are perfect:

Arriving at Kos Airport (KGS)

  • Secure the lowest price by booking your vehicle from Kos Airport about three weeks ahead of your departure.

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Plan the rest of your trip from Athens to Kos

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