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$64+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — ATH
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap 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 septiembre 17, 2025.

Round-trip from

$80
(Aegean Airlines)

One-way from

$64
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$164

Good one-way deal

$96 or less
From Kos to Athens Eleftherios V.
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One-way flight from Kos to Athens Eleftherios V.
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Highest demand for flights based on searches. 24% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Kos to Athens Eleftherios V..
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Find 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 septiembre 17, 2025.

This Aegean Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 12/18:35 amKGS - ATH
Nonstop1h 05mAegean Airlines
jue. 12/411:00 amATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 9/15$80
This Aegean Airlines deal was found by Cheapflights users on 9/16. 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.
mar. 11/188:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
sáb. 11/227:00 amATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 9/16$88
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/79:45 pmKGS - ATH
Nonstop1h 00mSky Express
lun. 11/1010:30 amATH - KGS
Nonstop1h 00mSky Express
Deal found 9/15$89
This Aegean Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/318:40 pmKGS - ATH
Nonstop1h 05mAegean Airlines
lun. 11/311:00 amATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 9/15$101
This Aegean Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 12/208:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
vie. 1/97:00 pmATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 9/15$122
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/79:45 pmKGS - ATH
Nonstop1h 00mMultiple Airlines
lun. 11/109:30 pmATH - KGS
1 stop22h 00mMultiple Airlines
Deal found 9/15$148
This Aegean Airlines deal was found by Cheapflights users on 9/17. 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.
jue. 10/166:10 pmKGS - ATH
Nonstop0h 55mAegean Airlines
sáb. 10/1810:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Deal found 9/17$151
This Aegean Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 10/16:10 pmKGS - ATH
Nonstop0h 55mAegean Airlines
mié. 10/810:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Deal found 9/17$160
This Aegean Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/318:40 pmKGS - ATH
Nonstop1h 05mAegean Airlines
dom. 11/22:45 pmATH - KGS
1 stop4h 45mAegean Airlines
Deal found 9/15$167
This Booking.com deal was found by Cheapflights users on 9/17. 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.
mié. 10/299:45 pmKGS - ATH
Nonstop1h 00mSky Express
vie. 7/108:55 pmATH - KGS
Nonstop1h 00mSky Express
Deal found 9/17$169
This Aegean Airlines deal was found by Cheapflights users on 9/17. 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.
vie. 10/176:10 pmKGS - ATH
Nonstop0h 55mAegean Airlines
lun. 10/2010:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Deal found 9/17$174
This Aegean Airlines deal was found by Cheapflights users on 9/16. 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.
sáb. 11/88:35 pmKGS - ATH
Nonstop1h 05mAegean Airlines
dom. 11/92:45 pmATH - KGS
1 stop4h 45mAegean Airlines
Deal found 9/16$186

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 septiembre 17, 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

lun. 12/1

8:35 am-9:40 am

Nonstop1h 05m

Athens Eleftherios V.

jue. 12/4

11:00 am-12:05 pm

Nonstop1h 05m

$80

KosAthens

KGS - ATH

KGSATH

Kos

mié. 1/28

12:35 pm-1:40 pm

Nonstop1h 05m

Athens Eleftherios V.

dom. 2/1

11:00 am-12:05 pm

Nonstop1h 05m

$84

KosAthens

KGS - ATH

KGSATH

Kos

jue. 1/29

8:35 am-9:40 am

Nonstop1h 05m

Athens Eleftherios V.

dom. 2/1

11:00 am-12:05 pm

Nonstop1h 05m

$84

KosAthens

KGS - ATH

KGSATH

Kos

mar. 11/18

8:35 pm-9:40 pm

Nonstop1h 05m

Athens Eleftherios V.

sáb. 11/22

7:00 am-8:05 am

Nonstop1h 05m

$88

KosAthens

KGS - ATH

KGSATH

Kos

vie. 11/7

9:45 pm-10:45 pm

Nonstop1h 00m

Athens Eleftherios V.

lun. 11/10

10:30 am-11:30 am

Nonstop1h 00m

$89

KosAthens

KGS - ATH

KGSATH

Kos

sáb. 12/20

8:35 pm-9:40 pm

Nonstop1h 05m

Athens Eleftherios V.

vie. 1/9

7:00 pm-8:05 pm

Nonstop1h 05m

$122

KosAthens

KGS - ATH

KGSATH

Kos

jue. 10/16

6:10 pm-7:05 pm

Nonstop0h 55m

Athens Eleftherios V.

sáb. 10/18

10:55 pm-11:55 pm

Nonstop1h 00m

$151

KosAthens

KGS - ATH

KGSATH

Kos

mié. 10/1

6:10 pm-7:05 pm

Nonstop0h 55m

Athens Eleftherios V.

mié. 10/8

10:55 pm-11:55 pm

Nonstop1h 00m

$160

KosAthens

KGS - ATH

KGSATH

Kos

sáb. 12/20

9:45 pm-10:45 pm

Nonstop1h 00m

Athens Eleftherios V.

vie. 1/9

3:30 pm-4:30 pm

Nonstop1h 00m

$167

KosAthens

KGS - ATH

KGSATH

Kos

vie. 10/31

8:40 pm-9:45 pm

Nonstop1h 05m

Athens Eleftherios V.

dom. 11/2

2:45 pm-7:30 pm

1 stop4h 45m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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, November is the cheapest month in which you can book a flight from Kos to Athens (average of $679). Flying from Kos to Athens in June is currently the most expensive (average of $1,282). 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 septiembre 17, 2025.

It’s optimal to fly from Kos to Athens at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

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 septiembre 17, 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
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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
786 reviews
Aegean Airlines
8.1
Very good
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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
7.5
Good
120 reviews
Aegean Airlines
8.1
Very good
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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, 3 users have taken a look at flights from Kos to Athens Eleftherios V..

  • How long is the flight from Kos to Athens?

    Aegean Airlines and Sky Express can get you from Kos to Athens in just under 1h. 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 42% cheaper than the other options available to this destination.

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

    Consider Olympic Air (98%), Aegean Airlines (71%) or Emirates (67%) 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 $129, our data indicates the cheapest price to be $72. The most popular route (Kos - Athens Eleftherios V.), is priced around $92.

  • 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, November is the cheapest month in which you can book a flight from Kos to Athens (average of $679). Flying from Kos to Athens in June is currently the most expensive (average of $1,282). 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.
Santorini to Athens flights
Mykonos to Athens flights
Naxos to Athens flights
Parikia to Athens flights
Paleochori to Athens flights
Rhodes 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$88Average$166FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$99Average$163FlexibilityNo cancel feeOn-time87%

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