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$37+ Cheap flights from Kos to Athens (KGS - ATH)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — ATH
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap flight deals from Kos to Athens

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

This Booking.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:25 pm
KGS
-
ATH
Nonstop1h 00m
Sky Express
Tue 10/2710:30 am
ATH
-
KGS
Nonstop1h 00m
Sky Express
Deal found 4/26$89
This Booking.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:25 pm
KGS
-
ATH
Nonstop1h 00m
Sky Express
Sat 6/68:55 pm
ATH
-
KGS
Nonstop1h 00m
Sky Express
Deal found 4/27$90
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:25 pm
KGS
-
ATH
Nonstop1h 00m
Multiple Airlines
Thu 6/184:00 pm
ATH
-
KGS
2 stops16h 50m
Multiple Airlines
Deal found 4/27$107
This Booking.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
KGS
-
ATH
Nonstop1h 10m
Multiple Airlines
Sat 6/68:55 pm
ATH
-
KGS
Nonstop1h 00m
Multiple Airlines
Deal found 4/25$112
This Booking.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:25 pm
KGS
-
ATH
Nonstop1h 00m
Sky Express
Thu 6/187:05 am
ATH
-
KGS
Nonstop1h 00m
Sky Express
Deal found 4/27$115
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:25 pm
KGS
-
ATH
Nonstop1h 00m
Multiple Airlines
Tue 10/2710:30 am
ATH
-
KGS
Nonstop1h 00m
Multiple Airlines
Deal found 4/27$142
This Mytrip deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:55 am
KGS
-
ATH
2 stops11h 50m
Multiple Airlines
Fri 6/127:05 am
ATH
-
KGS
Nonstop1h 00m
Multiple Airlines
Deal found 4/26$159
This Olympic Air deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Olympic Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
KGS
-
ATH
Nonstop1h 10m
Aegean Airlines
Sat 5/1611:30 am
ATH
-
KGS
Nonstop1h 05m
Aegean Airlines
Deal found 4/23$170

Find flight deals from Kos to Athens

Discover tips and strategies to find the most affordable flight options for your journey from Kos (KGS) to Athens (ATH). 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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$89
(Booking.com)

One-way from

$37
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$163

Good round-trip deal

$196 or less

Good one-way deal

$77 or less
Provider with most accurate pricing for Kos-Athens Eleftherios V. flight deals.
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Provider most trusted by Cheapflights users for Kos-Athens Eleftherios V. flights.
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From Kos to Athens Eleftherios V.
Search Deals
One-way flight from Kos to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Kos to Athens Eleftherios V..
Search Deals
Price to beat on a one-way flight from Kos to Athens Eleftherios V..
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kos to Athens 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 2,558,603 searches. Data last updated April 27, 2026.
Use the filters below to find and compare flights from Kos to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KosAthens

KGS - ATH

KGSATH

Kos

Thu 6/11

10:25 pm-11:25 pm

Nonstop1h 00m

Athens Eleftherios V.

Thu 6/18

4:00 pm-8:50 am

2 stops16h 50m

$107

KosAthens

KGS - ATH

KGSATH

Kos

Thu 6/4

6:00 am-7:10 am

Nonstop1h 10m

Athens Eleftherios V.

Sat 6/6

8:55 pm-9:55 pm

Nonstop1h 00m

$112
Quickest round-trip

KosAthens

KGS - ATH

KGSATH

Kos

Thu 10/8

10:25 pm-11:25 pm

Nonstop1h 00m

Athens Eleftherios V.

Tue 10/27

10:30 am-11:30 am

Nonstop1h 00m

$142

KosAthens

KGS - ATH

KGSATH

Kos

Tue 5/12

6:00 am-7:10 am

Nonstop1h 10m

Athens Eleftherios V.

Sat 5/16

11:30 am-12:35 pm

Nonstop1h 05m

$170

KosAthens

KGS - ATH

KGSATH

Kos

Thu 6/11

9:55 am-9:45 pm

2 stops11h 50m

Athens Eleftherios V.

Thu 6/18

10:00 am-4:50 pm

1 stop6h 50m

$197

KosAthens

KGS - ATH

KGSATH

Kos

Wed 5/13

11:50 am-8:40 pm

1 stop8h 50m

Athens Eleftherios V.

Wed 5/13

11:35 pm-12:35 am

Nonstop1h 00m

$329
Cheapest one-way
Quickest one-way

KosAthens

KGS - ATH

KGSATH

Kos

Mon 5/25

6:00 am-7:10 am

Nonstop1h 10m

$62

KosAthens

KGS - ATH

KGSATH

Kos

Thu 9/17

6:00 am-7:10 am

Nonstop1h 10m

$62

KosAthens

KGS - ATH

KGSATH

Kos

Tue 6/23

2:50 pm-9:15 am

2 stops18h 25m

$81

KosAthens

KGS - ATH

KGSATH

Kos

Tue 5/12

6:00 am-7:10 am

Nonstop1h 10m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Kos to Athens

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kos to Athens in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kos-Athens flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kos-Athens flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kos-Athens flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kos-Athens flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kos-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kos to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from Kos with our price prediction graph.
Estimated round-trip 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 Kos to Athens

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

Currently, January is the cheapest month in which you can book a flight from Kos to Athens (average of $105). Flying from Kos to Athens in August is currently the most expensive (average of $227). 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 KGS to ATH?

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

It’s optimal to fly from Kos to Athens in the afternoon. By choosing this option you can save up to 67% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Kos to Athens?

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Athens. Reviews last updated April 27, 2026.
Peruse reviews from past customers who have flown with Aegean Airlines and Sky Express from Kos to Athens to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
870 reviews

Crew

8.6

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
Aegean Airlines
8.1
Very good
870 reviews
Aegean Airlines
8.1
Very good
870 reviews

Crew

8.6

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
Sky Express
7.6
Good
123 reviews
Aegean Airlines
8.1
Very good
870 reviews

Crew

8.6

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

Related info for your journey

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

  • What airports do I use to fly from Kos to Athens?

    Booking a flight from Kos (KGS) to Athens Eleftherios V. (ATH) is your only option if you wish to fly from Kos to Athens. On a typical day, there are 9 flights from Kos to Eleftherios V., all of which are around 1h 00m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Kos to Athens.

  • How popular is this Kos to Athens flight route?

    Within the past month, 7 users have taken a look at flights from Kos to Athens Eleftherios V..

  • How long is the flight from Kos to Athens?

    Aegean Airlines can get you from Kos to Athens in just under 1h 10m. Your travel time will be generally consistent. Kos and Athens are separated by a distance of 189 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Kos to Athens round-trip?

    Cheapflights users have booked flights from Kos to Athens round-trip from $84. Another airline that can offer you cheap pricing is Aegean Airlines. Users have found that Sky Express is 44% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kos to Athens one-way?

    $45 is the cheapest one-way deal found within the past few days, from Sky Express. You may also be able to find cheap deals on Aegean Airlines and Hahn Air Systems, with prices starting from $54 and $89, respectively.

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

    Consider Emirates (94%), Aegean Airlines (81%) or Olympic Air (80%) when booking your flight. These represent the most reliable airlines when flying from Kos to Athens.

  • What are the cheapest flights from Kos to Athens?

    Looking for the cheapest flight from Kos to Athens? While on average our users pay $170, our data indicates the cheapest price to be $56. The most popular route (Kos - Athens Eleftherios V.), is priced around $120.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kos to Athens 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 Kos to Athens?

    Currently, January is the cheapest month in which you can book a flight from Kos to Athens (average of $105). Flying from Kos to Athens in August is currently the most expensive (average of $227). 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

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Tolo
Piraeus
Galaxidi

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Alternative routes for Kos to Athens

See prices for flight routes from nearby airports that may be better suited for you.
Mykonos to Athens flights
Santorini to Athens flights
Parikia to Athens flights
Naxos to Athens flights
Rhodes to Athens flights
Paleochori to Athens flights

Top 2 airlines flying from Kos to Athens

Discover the top 2 airlines that operate flights from Kos to Athens. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$84Average$166FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$94Average$175FlexibilityNo cancel feeOn-time87%

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