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$74+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — ATH
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$129
(Aegean Airlines)

One-way from

$74
(Booking.com)

Popular in

July

Cheapest in

January

Average price

$196

Good round-trip deal

$103 or less

Good one-way deal

$130 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. 21% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Kos to Athens Eleftherios V..
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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 julio 30, 2025.

This Aegean Airlines deal was found by Cheapflights users on 7/30. 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. 9/1811:25 amKGS - ATH
Nonstop0h 55mAegean Airlines
lun. 9/2210:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Deal found 7/30$129
This Mytrip deal was found by Cheapflights users on 7/29. 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.
jue. 9/188:50 amKGS - ATH
1 stop3h 50mSky Express
lun. 9/228:55 pmATH - KGS
Nonstop1h 00mSky Express
Deal found 7/29$138
This Mytrip deal was found by Cheapflights users on 7/29. 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.
jue. 9/1810:20 amKGS - ATH
2 stops11h 10mMultiple Airlines
lun. 9/228:55 pmATH - KGS
Nonstop1h 00mMultiple Airlines
Deal found 7/29$178

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 julio 30, 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

jue. 9/18

11:25 am-12:20 pm

Nonstop0h 55m

Athens Eleftherios V.

lun. 9/22

10:55 pm-11:55 pm

Nonstop1h 00m

$129

KosAthens

KGS - ATH

KGSATH

Kos

jue. 9/18

8:50 am-12:40 pm

1 stop3h 50m

Athens Eleftherios V.

lun. 9/22

8:55 pm-9:55 pm

Nonstop1h 00m

$138

KosAthens

KGS - ATH

KGSATH

Kos

jue. 9/18

10:20 am-9:30 pm

2 stops11h 10m

Athens Eleftherios V.

lun. 9/22

8:55 pm-9:55 pm

Nonstop1h 00m

$178

KosAthens

KGS - ATH

KGSATH

Kos

mar. 9/30

10:25 pm-11:25 pm

Nonstop1h 00m

$74

KosAthens

KGS - ATH

KGSATH

Kos

vie. 9/5

6:00 am-7:10 am

Nonstop1h 10m

$75

KosAthens

KGS - ATH

KGSATH

Kos

mar. 9/23

9:15 pm-3:50 pm

2 stops18h 35m

$117

KosAthens

KGS - ATH

KGSATH

Kos

mié. 9/3

10:05 am-6:55 pm

1 stop8h 50m

$118

KosAthens

KGS - ATH

KGSATH

Kos

jue. 9/4

11:00 am-12:55 am

1 stop13h 55m

$287

KosAthens

KGS - ATH

KGSATH

Kos

sáb. 8/16

7:25 pm-11:00 pm

1 stop27h 35m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $1,287). 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 julio 30, 2025.

It’s optimal to fly from Kos to Athens in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Kos to Athens

Explore weekly flight availability from Kos to Athens. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 30, 2025.

The most flights from KGS to ATH are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

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 julio 30, 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, Sky Express, and SWISS 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
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

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
8.2
Very good
780 reviews
Aegean Airlines
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

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
116 reviews
Aegean Airlines
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,686 reviews
Aegean Airlines
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Ryanair
6.9
Okay
5,152 reviews
Aegean Airlines
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.8
Okay
7,269 reviews
Aegean Airlines
8.2
Very good
780 reviews

Crew

8.6

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.9

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

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

    Cheapflights users have booked flights from Kos to Athens round-trip from $129. Another airline that can offer you cheap pricing is Sky Express. Users have found that Aegean Airlines is 13% cheaper than the other options available to this destination.

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

    $74 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 Ryanair, with prices starting from $75 and $118, respectively.

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

    Consider Aegean Airlines (65%), Olympic Air (64%) or Emirates (54%) 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 $192, our data indicates the cheapest price to be $86. The most popular route (Kos - Athens Eleftherios V.), is priced around $183.

  • 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 $1,287). 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
Loutraki

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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
Naxos to Athens flights
Paleochori to Athens flights
Parikia to Athens flights
Rhodes to Athens flights
Santorini 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$88Average$144FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$99Average$175FlexibilityNo cancel feeOn-time87%

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