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$79+ Cheap flights from Athens to Kos (ATH - KGS)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — KGS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Athens Eleftherios V. to Kos are usually found in March or November, booked 61 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap 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 August 14, 2025.

Round-trip from

$128
(Booking.com)

One-way from

$79
(Booking.com)

Popular in

August

Cheapest in

March

Average price

$201

Good round-trip deal

$203 or less

Good one-way deal

$106 or less
From Athens Eleftherios V. to Kos
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One-way flight from Athens Eleftherios V. to Kos
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Highest demand for flights based on searches. 16% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Kos.
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Price to beat on a one-way flight from Athens Eleftherios V. to Kos.
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Find flight deals from Athens to Kos

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 August 14, 2025.

This Booking.com deal was found by Cheapflights users on 8/13. 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.
Tue 8/269:00 pmATH - KGS
Nonstop1h 00mMultiple Airlines
Tue 10/76:00 amKGS - ATH
Nonstop1h 10mMultiple Airlines
Deal found 8/13$128
This Aegean Airlines deal was found by Cheapflights users on 8/12. 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 9/224:35 pmATH - KGS
Nonstop0h 55mAegean Airlines
Wed 9/246:00 amKGS - ATH
Nonstop1h 10mAegean Airlines
Deal found 8/12$132
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/1110:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Thu 9/1811:25 amKGS - ATH
Nonstop0h 55mAegean Airlines
Deal found 8/14$138
This Aegean Airlines deal was found by Cheapflights users on 8/14. 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 9/110:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Thu 9/1811:25 amKGS - ATH
Nonstop0h 55mAegean Airlines
Deal found 8/14$144
This Olympic Air deal was found by Cheapflights users on 8/13. 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.
Sat 9/2710:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Sat 10/46:00 amKGS - ATH
Nonstop1h 10mAegean Airlines
Deal found 8/13$145
This Aegean Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/1010:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
Thu 9/1811:25 amKGS - ATH
Nonstop0h 55mAegean Airlines
Deal found 8/14$155
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:05 amATH - KGS
Nonstop0h 55mSky Express
Wed 9/38:35 amKGS - ATH
Nonstop0h 55mSky Express
Deal found 8/13$157
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:45 pmATH - KGS
1 stop19h 45mMultiple Airlines
Sun 11/239:45 pmKGS - ATH
Nonstop1h 00mMultiple Airlines
Deal found 8/12$167
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:05 amATH - KGS
Nonstop0h 55mMultiple Airlines
Thu 9/411:25 amKGS - ATH
Nonstop0h 55mMultiple Airlines
Deal found 8/13$172
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:05 amATH - KGS
Nonstop0h 55mSky Express
Mon 9/18:35 amKGS - ATH
Nonstop0h 55mSky Express
Deal found 8/13$173

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Athens to Kos that are best for you.

Fly from

Athens

Fly to

Kos

Route

Depart

Return

Price

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Tue 8/26

9:00 pm-10:00 pm

Nonstop1h 00m

Kos

Tue 10/7

6:00 am-7:10 am

Nonstop1h 10m

$128

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Tue 10/21

4:35 pm-5:30 pm

Nonstop0h 55m

Kos

Tue 10/28

9:25 am-4:30 pm

1 stop7h 05m

$128

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 9/18

10:55 pm-11:55 pm

Nonstop1h 00m

Kos

Mon 9/22

6:00 am-7:10 am

Nonstop1h 10m

$132

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Mon 9/22

4:35 pm-5:30 pm

Nonstop0h 55m

Kos

Wed 9/24

6:00 am-7:10 am

Nonstop1h 10m

$132

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 9/11

10:55 pm-11:55 pm

Nonstop1h 00m

Kos

Thu 9/18

11:25 am-12:20 pm

Nonstop0h 55m

$138

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Mon 9/1

10:55 pm-11:55 pm

Nonstop1h 00m

Kos

Thu 9/18

11:25 am-12:20 pm

Nonstop0h 55m

$144

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 9/21

10:55 pm-11:55 pm

Nonstop1h 00m

Kos

Thu 9/25

6:10 pm-7:05 pm

Nonstop0h 55m

$144

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Wed 8/20

7:05 am-8:00 am

Nonstop0h 55m

$79

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sat 8/23

11:05 pm-12:05 am

Nonstop1h 00m

$82

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sat 9/6

10:55 pm-11:55 pm

Nonstop1h 00m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 16 results
1
2

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 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 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 round-trip flight from Athens to Kos. Price data was last updated on August 8, 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Athens to Kos. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 August 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 32% on flights from Athens to Kos by exploring options for tickets in the evening.

What is the cheapest day to fly from Athens to Kos?

Use this chart to determine the cheapest time to fly round-trip from Athens to Kos. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Athens to Kos flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Athens to Kos

Explore weekly flight availability from Athens to Kos. 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 August 14, 2025.

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

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. 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 Kos. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Aegean Airlines and Sky Express from Athens to Kos by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
782 reviews

Crew

8.6

Boarding

7.8

Food

7.4

Comfort

7.9

Entertainment

7.0

Overall

8.1

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
782 reviews
Aegean Airlines
8.1
Very good
782 reviews

Crew

8.6

Boarding

7.8

Food

7.4

Comfort

7.9

Entertainment

7.0

Overall

8.1

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
8.1
Very good
782 reviews

Crew

8.6

Boarding

7.8

Food

7.4

Comfort

7.9

Entertainment

7.0

Overall

8.1

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 Athens to Kos. 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 Athens to Kos?

    Booking a flight from Athens Eleftherios V. (ATH) to Kos (KGS) is your only option if you wish to fly from Athens to Kos. On a typical day, there are 7 flights from Eleftherios V. to Kos, all of which are around 0h 55m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Eleftherios V. to Kos.

  • How popular is this Athens to Kos flight route?

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

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

    According to our current data, Aegean Airlines ($92), and Sky Express ($95) offers the cheapest pricing from Athens to Kos. Aegean Airlines is currently priced 36% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Athens to Kos are Etihad Airways (55%), Sky Express (44%) and Aegean Airlines (42%).

  • What are the cheapest flights from Athens to Kos?

    While on average a flight from Athens to Kos is generally $257, our data shows the cheapest flight currently is $63. When looking at the most popular route, (Athens Eleftherios V. - Kos), you can expect to pay $149 for that flight.

  • 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 vacation 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.

See more FAQs

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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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Top 2 airlines flying from Athens to Kos

Discover the top 2 airlines that operate flights from Athens to Kos. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aegean AirlinesCheapest$92Average$151FlexibilityNo cancel feeOn-time87%
Sky ExpressCheapest$95Average$162FlexibilityNo cancel feeOn-timeN/A

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