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Cheap flights from Athens to Kos from £52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — KGS
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Athens Eleftherios V. to Kos are usually found in March or December, booked 61 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Athens to Kos

Enter your travel dates to find the best prices.

Cheapest flights from Athens to Kos
Explore the most affordable flight options available from Athens to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Tue 21/407:05
ATH
-
KGS
Nonstop1h 00m
Sky Express
Tue 21/422:25
KGS
-
ATH
Nonstop1h 00m
Sky Express
Deal found 26/3£95
Wed 6/507:05
ATH
-
KGS
Nonstop1h 00m
Sky Express
Wed 13/508:35
KGS
-
ATH
Nonstop1h 00m
Sky Express
Deal found 22/3£98
Tue 12/507:45
ATH
-
KGS
Nonstop1h 05m
Aegean Airlines
Tue 19/506:00
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Deal found 26/3£106
Tue 14/407:05
ATH
-
KGS
Nonstop1h 00m
Sky Express
Tue 21/422:25
KGS
-
ATH
Nonstop1h 00m
Sky Express
Deal found 26/3£108
Thu 23/407:45
ATH
-
KGS
Nonstop1h 05m
Aegean Airlines
Sun 26/419:20
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Deal found 26/3£110
Thu 30/716:35
ATH
-
KGS
Nonstop0h 55m
Aegean Airlines
Fri 7/806:00
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Deal found 26/3£116
Tue 19/523:35
ATH
-
KGS
Nonstop1h 00m
Aegean Airlines
Thu 21/509:20
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Deal found 26/3£117
Wed 15/411:30
ATH
-
KGS
Nonstop1h 05m
Aegean Airlines
Sat 31/1014:05
KGS
-
ATH
Nonstop1h 00m
Aegean Airlines
Deal found 23/3£119
Mon 8/620:55
ATH
-
KGS
Nonstop1h 00m
Sky Express
Thu 11/622:25
KGS
-
ATH
Nonstop1h 00m
Sky Express
Deal found 26/3£121
Wed 22/723:35
ATH
-
KGS
Nonstop1h 00m
Aegean Airlines
Sat 25/718:10
KGS
-
ATH
Nonstop0h 55m
Aegean Airlines
Deal found 26/3£125
Thu 23/423:35
ATH
-
KGS
Nonstop1h 00m
Aegean Airlines
Mon 27/406:00
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Deal found 26/3£129

Find flight deals from Athens to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 March 2026.

Round-trip from

£95

One-way from

£52

Popular in

August

Cheapest in

March

Average price

£83

Good one-way deal

£49 or less
Sky Express
  • Sky Express
  • 21/4-21/4
  • Nonstop
  • 2h 00m total
  • Athens to Kos
Search Deals
Sky Express
  • Sky Express
  • 19/9
  • Nonstop
  • 1h 00m total
  • Athens to Kos
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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Price to beat on a one-way flight from Athens Eleftherios V. to Kos.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Athens to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2026.
Use the filters below to find and compare flights from Athens to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 30/7

23:35-00:35

Nonstop1h 00m

Kos

Fri 7/8

06:00-07:10

Nonstop1h 10m

£116

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Mon 8/6

16:35-17:30

Nonstop0h 55m

Kos

Sat 13/6

06:00-07:10

Nonstop1h 10m

£116

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 14/6

23:35-00:35

Nonstop1h 00m

Kos

Fri 19/6

06:00-07:10

Nonstop1h 10m

£116

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Tue 19/5

23:35-00:35

Nonstop1h 00m

Kos

Thu 21/5

09:20-10:30

Nonstop1h 10m

£116
Fastest return journey

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Mon 8/6

20:55-21:55

Nonstop1h 00m

Kos

Thu 11/6

22:25-23:25

Nonstop1h 00m

£121

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Fri 19/6

07:45-08:50

Nonstop1h 05m

Kos

Thu 25/6

06:00-07:10

Nonstop1h 10m

£125

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 23/4

23:35-00:35

Nonstop1h 00m

Kos

Mon 27/4

06:00-07:10

Nonstop1h 10m

£129

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 5/7

16:35-17:30

Nonstop0h 55m

Kos

Sun 12/7

09:20-10:30

Nonstop1h 10m

£184
Cheapest one-way
Fastest single journey

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 16/4

23:35-00:35

Nonstop1h 00m

£64

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sat 25/4

23:35-00:35

Nonstop1h 00m

£64

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 14 resultsSorted by cheapest first
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Best time to book a flight from Athens to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Athens with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Athens to Kos

How far ahead should I book a flight from Athens to Kos?

Use this chart to determine the optimal time to book a return flight from Athens to Kos. Price data was last updated on 13 March 2026.

The best time to book flights from Athens to Kos is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Athens to Kos?

Currently, January is the cheapest month in which you can book a flight from Athens to Kos (average of £49). Flying from Athens to Kos in April is currently the most expensive (average of £86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATH to KGS?

Find hourly flight availability from Athens to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 March 2026.

When flying from Athens to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 49% versus a flight in the evening.

How much does it cost for a return flight from Athens to Kos?

Related info for your journey

Find useful and relevant information for your journey from Athens to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Athens to Kos flight route?

    The Athens Eleftherios V. to Kos flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Athens to Kos?

    A quick flight from Athens to Kos can take about 55m. Aegean Airlines provides one of the quickest options available for as low as £116. There are 189 mi between Athens and Kos. Generally, flights for this route are direct.

  • What are the most reliable airlines from Athens to Kos?

    Consider Aegean Airlines (93%), Olympic Air (92%) or Sky Express (88%) when booking your flight. These represent the most reliable airlines when flying from Athens to Kos.

  • What are the cheapest flights from Athens to Kos?

    On average you can expect to pay £56 for a flight from Athens to Kos. The cheapest flight overall is £47 while the most popular route, (Athens Eleftherios V. - Kos) is currently priced at £103.

  • Can I find deals for flights from Athens to Kos that include hotel bookings?

    Yes. In addition to deals on Athens to Kos flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Athens to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Athens to Kos.

  • Can I find deals for business class flights from Athens to Kos?

    Yes. Cheapflights offers flight deals from Athens to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Athens to Kos?

    Currently, January is the cheapest month in which you can book a flight from Athens to Kos (average of £49). Flying from Athens to Kos in April is currently the most expensive (average of £86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Kardamena

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Alternative routes for Athens to Kos

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Athens to Kos?

Cheapflights helps you search for flights from Athens to Kos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Athens to Kos?

Cheapflights simply makes it quick and affordable to book flights from Athens to Kos by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Athens to Kos with no change fees?

Need flexible booking options for your flight to Kos from Athens? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Athens to Kos become cheaper?

Of course! You can now track prices for flights from Athens to Kos and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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