Cheap Flights from Kos (KGS) to Athens (ATH)

View AU$84 flight on Tue, 7 Oct. 2025Opens in a new window

Popular airlines from Kos (KGS-Kos Island Intl.) to Athens Intl. Airport (ATH)

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Cheap Flights from Kos (KGS) to Athens (ATH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Fri, 31 Oct. - Sun, 2 Nov.
KGS
Kos
ATH
Athens
AU$174 Return, found 5 days ago
AU$174
Return
found 5 days ago
Select Aegean flight, departing Fri, 31 Oct. from Kos to Athens, returning Sun, 2 Nov., priced at AU$174 found 5 days ago
SKY express
Mon, 3 Nov. - Thu, 13 Nov.
KGS
Kos
ATH
Athens
AU$178 Return, found 5 days ago
AU$178
Return
found 5 days ago
Select SKY express flight, departing Mon, 3 Nov. from Kos to Athens, returning Thu, 13 Nov., priced at AU$178 found 5 days ago
Aegean
Fri, 31 Oct. - Sun, 2 Nov.
KGS
Kos
ATH
Athens
AU$191 Return, found 5 days ago
AU$191
Return
found 5 days ago
Select Aegean flight, departing Fri, 31 Oct. from Kos to Athens, returning Sun, 2 Nov., priced at AU$191 found 5 days ago
SKY express
Mon, 3 Nov. - Thu, 13 Nov.
KGS
Kos
ATH
Athens
AU$192 Return, found 5 days ago
AU$192
Return
found 5 days ago
Select SKY express flight, departing Mon, 3 Nov. from Kos to Athens, returning Thu, 13 Nov., priced at AU$192 found 5 days ago
SKY express
Fri, 31 Oct. - Sun, 2 Nov.
KGS
Kos
ATH
Athens
AU$196 Return, found 5 days ago
AU$196
Return
found 5 days ago
Select SKY express flight, departing Fri, 31 Oct. from Kos to Athens, returning Sun, 2 Nov., priced at AU$196 found 5 days ago
Aegean
Fri, 31 Oct. - Sun, 2 Nov.
KGS
Kos
ATH
Athens
AU$197 Return, found 5 days ago
AU$197
Return
found 5 days ago
Select Aegean flight, departing Fri, 31 Oct. from Kos to Athens, returning Sun, 2 Nov., priced at AU$197 found 5 days ago
SKY express
Thu, 11 Sep. - Sat, 13 Sep.
KGS
Kos
ATH
Athens
AU$199 Return, found 3 days ago
AU$199
Return
found 3 days ago
Select SKY express flight, departing Thu, 11 Sep. from Kos to Athens, returning Sat, 13 Sep., priced at AU$199 found 3 days ago
SKY express
Wed, 10 Sep. - Sat, 13 Sep.
KGS
Kos
ATH
Athens
AU$199 Return, found 4 days ago
AU$199
Return
found 4 days ago
Select SKY express flight, departing Wed, 10 Sep. from Kos to Athens, returning Sat, 13 Sep., priced at AU$199 found 4 days ago
Aegean
Fri, 19 Sep. - Fri, 26 Sep.
KGS
Kos
ATH
Athens
AU$206 Return, found 2 days ago
AU$206
Return
found 2 days ago
Select Aegean flight, departing Fri, 19 Sep. from Kos to Athens, returning Fri, 26 Sep., priced at AU$206 found 2 days ago
Aegean
Mon, 3 Nov. - Thu, 13 Nov.
KGS
Kos
ATH
Athens
AU$209 Return, found 5 days ago
AU$209
Return
found 5 days ago
Select Aegean flight, departing Mon, 3 Nov. from Kos to Athens, returning Thu, 13 Nov., priced at AU$209 found 5 days ago

Find the cheapest month to fly from Kos (KGS) to Athens (ATH)

January is typically the cheapest month to fly

From AU$115 - AU$275 per traveller.

Graph displaying average flight prices per month

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Flight from Kos to Athens route information
Origin airport
Kos Island Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
SKY express
Return price
AU$174
Distance
303 km

Your quick guide to flights from Kos to Athens

Pick up great flights from Kos to Athens

With Expedia, you have your pick of 9 flights a day with 20 airlines covering flights from Kos to Athens. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Kos to Athens that take around 0 hours.

Find cheap flights from Kos to Athens

From the great flight deals with prices currently ranging from AU$174 to AU$209, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Kos to Athens around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Athens is normally in October.

Reasons to book your flight from Kos to Athens with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Kos to Athens across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Athens right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Kos Island Intl. Airport (KGS) to AIA Airport?
The lowest price advertised for a round-trip journey from KGS to Athens International Airport is AU$174. But you better act fast. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kos Airport to Athens International Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Kos Airport to Eleftherios Venizelos Airport (ATH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kos Island Intl. Airport (KGS) to Athens International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Kos Airport to AIA Airport?
You can forget about a movie marathon on this flight — it's only 310 kilometres from Kos to Spata-Artemida. Sit down, order some snacks and you'll be touching down in next to no time.
Which airlines fly direct from Kos Airport to AIA Airport?
Sky Express (GQ) is one of the preferred choices for many travellers flying between Kos Island Intl. Airport (KGS) and Eleftherios Venizelos Airport (ATH). Select from the 73 flights it offers on this route each month. If you want more options, check out the deals with Aegean Airlines (A3). This airlines operates 69 flights a month between these airports.
Are KGS to AIA Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Kos Island Intl. Airport (KGS) to AIA Airport at the last minute could save you some serious cash. However, it could end up costing a good deal more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

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*Available to Expedia members.