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$69+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — ATH
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Booking.com deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
Tue 12/307:00 amATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 12/11$180
This Aegean Airlines deal was found by Cheapflights users on 12/10. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
Sun 12/213:55 pmATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 12/10$206
This Aegean Airlines deal was found by Cheapflights users on 12/10. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
Fri 1/94:00 pmATH - KGS
Nonstop0h 50mAegean Airlines
Deal found 12/10$252
This Booking.com deal was found by Cheapflights users on 12/11. 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.
Sat 12/279:25 amKGS - ATH
1 stop23h 50mMultiple Airlines
Tue 12/307:00 amATH - KGS
Nonstop1h 05mMultiple Airlines
Deal found 12/11$265
This Priceline deal was found by Cheapflights users on 12/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:25 pmKGS - ATH
2 stops5h 10mSky Express
Tue 12/302:00 pmATH - KGS
1 stop2h 30mSky Express
Deal found 12/11$483
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:25 pmKGS - ATH
1 stop16h 30mHahn Air Systems
Fri 1/910:30 amATH - KGS
Nonstop1h 00mHahn Air Systems
Deal found 12/10$501
This WAYA deal was found by Cheapflights users on 12/11. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:25 pmKGS - ATH
1 stop3h 35mMultiple Airlines
Sun 1/48:30 amATH - KGS
Nonstop1h 00mMultiple Airlines
Deal found 12/11$502

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 December 12, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$81
(Booking.com)

One-way from

$69
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$116

Good one-way deal

$78 or less
Provider with most accurate pricing for Kos-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kos-Athens Eleftherios V. flights.
Search Deals
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. 23% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Kos to Athens Eleftherios V..
Search Deals

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 December 12, 2025.
Use the filters below to find and compare flights from Kos to Athens that are best for you.

Fly from

Kos

Fly to

Athens

Route

Depart

Return

Price

KosAthens

KGS - ATH

KGSATH

Kos

Sat 1/24

9:45 pm-10:45 pm

Nonstop1h 00m

Athens Eleftherios V.

Sat 1/31

7:00 am-8:05 am

Nonstop1h 05m

$81

KosAthens

KGS - ATH

KGSATH

Kos

Thu 1/15

8:35 pm-9:40 pm

Nonstop1h 05m

Athens Eleftherios V.

Sun 1/18

11:00 am-11:55 am

Nonstop0h 55m

$100

KosAthens

KGS - ATH

KGSATH

Kos

Fri 1/16

12:35 pm-1:40 pm

Nonstop1h 05m

Athens Eleftherios V.

Sun 1/18

11:00 am-12:05 pm

Nonstop1h 05m

$101

KosAthens

KGS - ATH

KGSATH

Kos

Sat 12/27

8:35 pm-9:40 pm

Nonstop1h 05m

Athens Eleftherios V.

Tue 12/30

7:00 am-8:05 am

Nonstop1h 05m

$180

KosAthens

KGS - ATH

KGSATH

Kos

Tue 4/14

6:00 am-7:10 am

Nonstop1h 10m

Athens Eleftherios V.

Fri 4/17

11:30 am-12:35 pm

Nonstop1h 05m

$186

KosAthens

KGS - ATH

KGSATH

Kos

Mon 2/9

12:00 pm-1:00 pm

Nonstop1h 00m

Athens Eleftherios V.

Thu 2/12

8:15 pm-9:15 pm

Nonstop1h 00m

$187

KosAthens

KGS - ATH

KGSATH

Kos

Wed 12/31

9:45 pm-10:45 pm

Nonstop1h 00m

$69

KosAthens

KGS - ATH

KGSATH

Kos

Fri 12/19

9:45 pm-10:45 pm

Nonstop1h 00m

$134

KosAthens

KGS - ATH

KGSATH

Kos

Fri 5/22

11:50 am-7:10 pm

1 stop7h 20m

$146

KosAthens

KGS - ATH

KGSATH

Kos

Wed 5/20

11:50 am-10:25 pm

2 stops34h 35m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results
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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 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 OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Kos-Athens flight deals on Cheapflights vs. OneTravel >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 OneTravel the most. OneTravel 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, May is the cheapest month in which you can book a flight from Kos to Athens (average of $50). Flying from Kos to Athens in July is currently the most expensive (average of $154). 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 December 12, 2025.

When flying from Kos to Athens, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 12, 2025.
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
831 reviews

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
831 reviews
Aegean Airlines
8.1
Very good
831 reviews

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Sky Express
7.6
Good
121 reviews
Aegean Airlines
8.1
Very good
831 reviews

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 7 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, 5 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 05m. 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 $88. Another airline that can offer you cheap pricing is Aegean Airlines. Users have found that Sky Express is 41% 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 (87%), Aegean Airlines (85%) or Olympic Air (83%) 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 $116, our data indicates the cheapest price to be $74. The most popular route (Kos - Athens Eleftherios V.), is priced around $91.

  • 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, May is the cheapest month in which you can book a flight from Kos to Athens (average of $50). Flying from Kos to Athens in July is currently the most expensive (average of $154). 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
Piraeus
Tolo
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.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$88Average$170FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$94Average$162FlexibilityNo cancel feeOn-time87%

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