Cheap Flights from Kos to Athens International

Compare Kos to Athens International flight deals

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Flight deals from Kos to Athens International

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

Athens.$131 per passenger.Departing Sat, 14 Feb, returning Wed, 18 Feb.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Sat, 14 Feb, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Wed, 18 Feb, arriving in Kos.Price includes taxes and charges.From $131, select.

Athens.$133 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departs from Kos on Fri, 27 Feb, arriving in Athens International.Inbound direct flight with Aegean Airlines departs from Athens International on Sun, 1 Mar, arriving in Kos.Price includes taxes and charges.From $133, select.

Athens.$135 per passenger.Departing Sun, 1 Mar, returning Tue, 3 Mar.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Sun, 1 Mar, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Tue, 3 Mar, arriving in Kos.Price includes taxes and charges.From $135, select.

Athens.$137 per passenger.Departing Fri, 23 Jan, returning Wed, 11 Feb.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Fri, 23 Jan, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Wed, 11 Feb, arriving in Kos.Price includes taxes and charges.From $137, select.

Athens.$142 per passenger.Departing Fri, 16 Jan, returning Tue, 20 Jan.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Fri, 16 Jan, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Tue, 20 Jan, arriving in Kos.Price includes taxes and charges.From $142, select.

Athens.$147 per passenger.Departing Thu, 26 Mar, returning Sun, 12 Apr.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Thu, 26 Mar, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Sun, 12 Apr, arriving in Kos.Price includes taxes and charges.From $147, select.

Athens.$149 per passenger.Departing Thu, 2 Apr, returning Sun, 12 Apr.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Thu, 2 Apr, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Sun, 12 Apr, arriving in Kos.Price includes taxes and charges.From $149, select.

Athens.$156 per passenger.Departing Sat, 2 May, returning Wed, 6 May.Return flight with SKY express.Outbound direct flight with SKY express departs from Kos on Sat, 2 May, arriving in Athens International.Inbound direct flight with SKY express departs from Athens International on Wed, 6 May, arriving in Kos.Price includes taxes and charges.From $156, select.

Find the cheapest month to fly from Kos to Athens International

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

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Direct flights from Kos to Athens International

Kos to Athens International: Alternative routes

Compare routes from Kos to Athens below. You may find an airport to fly into that's cheaper, faster, or easier than Athens International.

Kos to Athens: Flight information

The things to know before you go.

Cheapest flight found	$131
Cheapest month to fly	February
Average flight time	1 hr, 2 mins
Most popular airline	SKY express
Average flights per week	114

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

How much are return flights from Kos to Athens International?

The best price we found for a return flight from Kos to Athens International is $131. 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.

How long does it take to fly from Kos to Athens International?

1 hour and 2 minutes is the average flight time from Kos to Athens International.

Which airlines fly direct from Kos to Athens International?

SKY express, Hahn Air Systems and Olympic Air fly direct from Kos to Athens International.

How many flights are there a week from Kos to Athens International?

As of January 2026, there are 114 flights per week flying from Kos to Athens International.

When is the cheapest time to fly from Kos to Athens International?

The cheapest month to fly from Kos to Athens International is usually February.

Which upcoming date is cheapest to fly from Kos Airport to Athens International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Athens International Airport on Saturday, 14 February 2026.

Can I get a direct flight from Kos Airport to Athens International Airport?

Yes – the average flight time is 1 hour and 2 minutes.

How can I find the best flight deal to Athens International?

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 Athens International 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.

When is the best time to book flights to Athens?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Athens is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Kos Airport to Athens International with?

Currently, SKY express offers the cheapest flight tickets to Athens International.

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

The average length of a direct flight from Kos Airport to Eleftherios Venizelos International Airport is 1 hour.
Choose from 59 weekly Kos Airport to Eleftherios Venizelos International Airport flights. The 06:20 departure with Aegean Airlines is the earliest you can take. Sky Express operates the latest service of the day at 23:55.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to board your KGS to ATH flight.
Flying during a peak time such as August? Major public holidays and other high seasons can result in longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.
Aegean Airlines is your gateway to exploring Athens (and maybe even some other exciting parts of Greece!). Browse the direct flights from Kos Airport to Eleftherios Venizelos International Airport offered by this airline.
The airline most travellers prefer to fly with on this route is Aegean Airlines.
With an impressive 91.67% of services landing on schedule, Sky Express has the best on-time record for KGS to ATH flights.
We make it simple to book a flight with a stopover. To see all your options for tickets from Kos Airport to Eleftherios Venizelos International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Stopovers between KGS and ATH include:
- Rhodes Airport
- Kalymnos Island National Airport
- Thessaloniki International Airport

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

At the moment, $62 is the lowest price we've found for a one-way Kos Airport to Eleftherios Venizelos International Airport flight. The best price for a return plane ticket is $131. Remember that fares may change due to demand at the time of booking.
Book seven months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from KGS to ATH.
June is the cheapest month for flights from Kos Airport to Eleftherios Venizelos International Airport. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.
Cut down on the time spent looking for cheap flights from KGS to ATH by setting up a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.
Tailor your flights with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Kos Airport to Eleftherios Venizelos International Airport.

Handy information about Kos Airport (KGS)

Kos Airport maintains a solid on-time record, so you're unlikely to face delays. Departures from KGS arrive at their destination as scheduled 89.58% of the time.

Arriving at Eleftherios Venizelos International Airport (ATH)

The last thing you need is a lengthy trip to your hotel if you're getting in late on a Kos Airport to Eleftherios Venizelos International Airport flight. Book one of these accommodation options near ATH instead:
Get your adventure underway by picking up an Eleftherios Venizelos International Airport rental car. Grab a set of wheels from Centauro, Green Motion or Surprice and explore beyond Athens's usual tourist stops.
Lock in the best deal by reserving your vehicle from Eleftherios Venizelos International Airport about three weeks in advance of your trip.

Getting from Eleftherios Venizelos International Airport (ATH) to central Athens

Eleftherios Venizelos International Airport to the centre of Athens has a drive time of about 35 minutes. It's approximately 40 kilometres away.
When travelling by public transport, expect a journey of roughly 1 hour.

When to fly to Eleftherios Venizelos International Airport (ATH)

It's time to choose your travel dates for your flight from Kos Airport to Eleftherios Venizelos International Airport. July is the most popular month to head to Athens. If you like a more relaxed vibe, go in January.
Lock in your flight from Kos Airport to Eleftherios Venizelos International Airport for July if you want to explore Athens during its warmest month. Expect temperatures of between 22ºC and 37ºC.
Look for cheap tickets from KGS to ATH in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC and 14ºC on average.

Explore more of Greece

You've done Athens, now it's time to discover other parts of Greece. Travel about 306 kilometres north to Thessaloniki to check off its must-visit sights. From Arch of Galerius to Aristotelous Square and Museum of Byzantine Culture, there's plenty to keep you busy.
Larisa is another standout destination in Greece and is around 209 kilometres north-west of Athens. No trip is complete without experiencing Agioi Saranta, Saint George Orthodox Church and Second Ancient Theatre.