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Kos

$51+ Cheap flights from Athens to Kos (ATH - KGS)

ATH — KGS
Oct 17 — Oct 241
Sat 10/17
Sat 10/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Athens Eleftherios V. to Kos are usually found in February or December, booked 73 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Athens to Kos

Cheapest flights from Athens to Kos

Thu 10/228:55 pm -
Nonstop1h 00m
Mon 10/269:45 pm -
Nonstop1h 00m
Deal found 9/17$93
Thu 11/510:30 am -
Nonstop1h 00m
Sun 11/89:45 pm -
Nonstop1h 00m
Deal found 9/16$102
Mon 10/126:35 am -
Nonstop1h 05m
Mon 10/1910:25 pm -
Nonstop1h 00m
Deal found 9/14$118
Mon 9/286:20 am -
Nonstop1h 00m
Thu 10/110:25 pm -
Nonstop1h 00m
Deal found 9/14$121
Sun 10/117:05 am -
Nonstop1h 00m
Sun 10/188:35 am -
Nonstop1h 00m
Deal found 9/13$126
Thu 10/17:05 am -
Nonstop1h 00m
Sat 10/310:25 pm -
Nonstop1h 00m
Deal found 9/16$127
Thu 11/126:50 am -
Nonstop0h 55m
Mon 11/168:40 pm -
Nonstop0h 55m
Deal found 9/17$129
Tue 9/226:35 am -
Nonstop1h 00m
Wed 9/3010:35 pm -
Nonstop1h 00m
Deal found 9/14$130
Sat 10/313:40 pm -
Nonstop1h 05m
Sat 11/75:15 pm -
Nonstop1h 05m
Deal found 9/16$135
Thu 10/226:35 am -
Nonstop1h 05m
Mon 10/268:40 pm -
Nonstop0h 55m
Deal found 9/17$143
Fri 11/66:50 am -
Nonstop0h 55m
Mon 11/98:40 pm -
Nonstop0h 55m
Deal found 9/16$144
Thu 10/228:45 am -
2 stops12h 40m
Mon 10/269:45 pm -
Nonstop1h 00m
Deal found 9/17$147

Find flight deals from Athens to Kos

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$93
(Booking.com)

One-way from

$51
(Booking.com)

Popular in

August

Cheapest in

February

Average price

$174

Good round-trip deal

$149 or less

Good one-way deal

$144 or less
Provider with most accurate pricing for Athens Eleftherios V.-Kos flight deals.
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Provider most trusted by Cheapflights users for Athens Eleftherios V.-Kos flights.
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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. 22% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Fri 10/16

6:35 am-7:35 am

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$58

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Wed 10/14

6:35 am-7:35 am

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$58

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Sun 9/27

7:05 am-8:05 am

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$74

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Sat 10/17

8:55 pm-9:55 pm

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$77

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Sat 10/10

6:35 am-7:40 am

Nonstop1h 05m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$81

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Tue 9/29

6:35 am-7:35 am

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$81

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Thu 10/22

8:55 pm-9:55 pm

Nonstop1h 00m

Kos

Mon 10/26

9:45 pm-10:45 pm

Nonstop1h 00m

$93

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Tue 9/22

6:35 am-7:35 am

Nonstop1h 00m

Kos

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$94

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Thu 11/12

6:50 am-7:45 am

Nonstop0h 55m

Kos

Mon 11/16

8:40 pm-9:35 pm

Nonstop0h 55m

$129

AthensKos

ATH Athens Eleftherios V. - KGS Kos

ATHKGS

Athens Eleftherios V.

Thu 10/22

6:35 am-7:40 am

Nonstop1h 05m

Kos

Mon 10/26

8:40 pm-9:35 pm

Nonstop0h 55m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Compare providers for flights from Athens to Kos

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Athens to Kos in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice 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 Athens-Kos flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Athens-Kos flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Athens-Kos flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Athens-Kos 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 Athens-Kos 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 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

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?

Booking 72 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 month to book a flight from Athens to Kos?

Currently, February is the cheapest month in which you can book a flight from Athens to Kos (average of $103). Flying from Athens to Kos in August is currently the most expensive (average of $221). 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 ATH to KGS?

Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Athens to Kos by exploring options for tickets in the morning.

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

Airfare is below average for this route at the moment.

Athens to Kos flights typically cost between $140 and $198 in October.
The cheapest round-trip price found within the last 5 days was $93 on Sky Express (Oct 22-Oct 26).

Reviews of airlines servicing Kos

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
907 reviews

Boarding

7.8

Crew

8.7

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

6.9

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
907 reviews
Aegean Airlines
8.1
Very good
907 reviews

Boarding

7.8

Crew

8.7

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

6.9

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
7.7
Good
132 reviews
Aegean Airlines
8.1
Very good
907 reviews

Boarding

7.8

Crew

8.7

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

6.9

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

  • 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 1h 00m 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 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Athens to Kos?

    Sky Express and Aegean Airlines can get you from Athens to Kos in just under 55m. Your travel time will be generally consistent. Athens and Kos are separated by a distance of 189 mi. All flights are typically nonstop.

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

    According to our current data, Sky Express ($95), and Aegean Airlines ($111) offers the cheapest pricing from Athens to Kos. Sky Express is currently priced 38% 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 Emirates (70%), Olympic Air (59%) and Etihad Airways (52%).

  • What are the cheapest flights from Athens to Kos?

    While on average a flight from Athens to Kos is generally $194, our data shows the cheapest flight currently is $93. When looking at the most popular route, (Athens Eleftherios V. - Kos), you can expect to pay $127 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.

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

    Currently, February is the cheapest month in which you can book a flight from Athens to Kos (average of $103). Flying from Athens to Kos in August is currently the most expensive (average of $221). 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.

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Alternative routes for Athens to Kos

Athens to Santorini flights
Athens to Mykonos flights
Athens to Rhodes flights
Athens to Naxos flights
Athens to Karpathos flights
Athens to Paleochori flights

Top 2 airlines flying from Athens to Kos

AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$95Average$187FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$111Average$185FlexibilityNo cancel feeOn-time87%

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