How often are flights from Athens to Kos delayed?

Historically, on average around 23% of flights between Athens and Kos have experienced a delay on any given week. The average delay length over the past 12 months has been 78 minutes.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Athens to Kos on average per day?

5 flights are operational daily from Athens to Kos as of November 2025. The most popular departure time for this route is 10:00AM, with 45% of flights per day taking off at noon.

What is the cheapest airline that flies from Athens Eleftherios V. to Kos?

Sky Express, Aegean Airlines, and Hahn Air Systems are the most popular carriers operating from Athens Eleftherios V. to Kos

How many flights depart from Athens to Kos on average per week?

The number of flights available between Athens and Kos is 41 per week as of November 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

Which airline has the best punctuality record on Athens to Kos flights?

According to our data, Olympic Air have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

What is the most punctual flight time for Athens to Kos flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Athens Eleftherios V. Airport to Kos Airport?

Prices for flights from Athens Eleftherios V. Airport to Kos Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Athens Eleftherios V. Airport to Kos Airport?

The number of operators available for flights from Athens Eleftherios V. Airport to Kos Airport is 2 as of November 2025.

How old do you have to be to fly from Athens Eleftherios V. Airport to Kos Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Athens Eleftherios V. Airport to Kos Airport.

What documentation or ID do you need to fly to Kos Airport?

The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$45 Cheap Flights from Athens to Kos in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 11:30 amATH-KGS

1h 00mnonstop

9:45 pm - 10:45 pmKGS-ATH

1h 00mnonstop

$98Sky Express

Find Deal

Sun, Mar 1 - Sat, Mar 7

3:05 pm - 4:05 pmATH-KGS

1h 00mnonstop

9:45 pm - 10:45 pmKGS-ATH

1h 00mnonstop

$101Sky Express

Find Deal

Mon, Dec 8 - Mon, Dec 15

7:05 am - 8:05 amATH-KGS

1h 00mnonstop

1:05 pm - 2:15 pmKGS-ATH

1h 10mnonstop

$106Multiple Airlines

Find Deal

Tue, Apr 7 - Tue, Apr 14

10:30 am - 11:30 amATH-KGS

1h 00mnonstop

8:35 pm - 9:40 pmKGS-ATH

1h 05mnonstop

$107Multiple Airlines

Find Deal

Thu, Dec 25 - Thu, Jan 1

7:00 am - 8:05 amATH-KGS

1h 05mnonstop

9:05 pm - 10:10 pmKGS-ATH

1h 05mnonstop

$108Aegean Airlines

Find Deal

Sat, Dec 27 - Fri, Jan 2

7:30 pm - 8:35 pmATH-KGS

1h 05mnonstop

4:40 pm - 5:45 pmKGS-ATH

1h 05mnonstop

$111Aegean Airlines

Find Deal

Sun, Mar 1 - Sat, Mar 7

7:00 am - 8:05 amATH-KGS

1h 05mnonstop

8:35 pm - 9:40 pmKGS-ATH

1h 05mnonstop

$113Aegean Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

10:30 am - 11:30 amATH-KGS

1h 00mnonstop

9:45 pm - 10:45 pmKGS-ATH

1h 00mnonstop

$116Sky Express

Find Deal

Thu, Dec 18 - Mon, Dec 22

10:30 am - 11:30 amATH-KGS

1h 00mnonstop

9:45 pm - 10:45 pmKGS-ATH

1h 00mnonstop

$117Sky Express

Find Deal

Fri, Dec 19 - Mon, Dec 22

8:30 am - 9:30 amATH-KGS

1h 00mnonstop

8:35 pm - 9:40 pmKGS-ATH

1h 05mnonstop

$118Multiple Airlines

Find Deal

Sun, Nov 30 - Sat, Dec 13

Sky Express flights from Athens to Kos

Our best Sky Express deals on Athens to Kos flight tickets

Sky Express

Mar 1

ATH10:30 amAthens Eleftherios V.

1h 00m

KGS11:30 amKos

Mar 7

KGS9:45 pmKos

1h 00m

ATH10:45 pmAthens Eleftherios V.

$98

Find similar

Sky Express

Dec 8

ATH3:05 pmAthens Eleftherios V.

1h 00m

KGS4:05 pmKos

Dec 15

KGS9:45 pmKos

1h 00m

ATH10:45 pmAthens Eleftherios V.

$101

Find similar

Sky Express

Dec 18

ATH10:30 amAthens Eleftherios V.

1h 00m

KGS11:30 amKos

Dec 22

KGS9:45 pmKos

1h 00m

ATH10:45 pmAthens Eleftherios V.

$116

Find similar

Aegean Airlines flights from Athens to Kos

Our best Aegean Airlines deals on Athens to Kos flight tickets

Aegean Airlines

Dec 27

ATH7:00 amAthens Eleftherios V.

1h 05m

KGS8:05 amKos

Jan 2

KGS9:05 pmKos

1h 05m

ATH10:10 pmAthens Eleftherios V.

$108

Find similar

Aegean Airlines

Mar 1

ATH7:30 pmAthens Eleftherios V.

1h 05m

KGS8:35 pmKos

Mar 7

KGS4:40 pmKos

1h 05m

ATH5:45 pmAthens Eleftherios V.

$111

Find similar

Aegean Airlines

Dec 4

ATH7:00 amAthens Eleftherios V.

1h 05m

KGS8:05 amKos

Dec 8

KGS8:35 pmKos

1h 05m

ATH9:40 pmAthens Eleftherios V.

$113

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 3/1

10:30 am-11:30 am

Nonstop1h 00m

Kos

Sat 3/7

9:45 pm-10:45 pm

Nonstop1h 00m

$98

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Mon 12/8

3:05 pm-4:05 pm

Nonstop1h 00m

Kos

Mon 12/15

9:45 pm-10:45 pm

Nonstop1h 00m

$101

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Tue 4/7

7:05 am-8:05 am

Nonstop1h 00m

Kos

Tue 4/14

1:05 pm-2:15 pm

Nonstop1h 10m

$106

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 12/25

10:30 am-11:30 am

Nonstop1h 00m

Kos

Thu 1/1

8:35 pm-9:40 pm

Nonstop1h 05m

$107

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sat 12/27

7:00 am-8:05 am

Nonstop1h 05m

Kos

Fri 1/2

9:05 pm-10:10 pm

Nonstop1h 05m

$108

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 3/1

7:30 pm-8:35 pm

Nonstop1h 05m

Kos

Sat 3/7

4:40 pm-5:45 pm

Nonstop1h 05m

$111

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 12/4

7:00 am-8:05 am

Nonstop1h 05m

Kos

Mon 12/8

8:35 pm-9:40 pm

Nonstop1h 05m

$113

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Thu 12/18

10:30 am-11:30 am

Nonstop1h 00m

Kos

Mon 12/22

9:45 pm-10:45 pm

Nonstop1h 00m

$116

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Fri 12/19

10:30 am-11:30 am

Nonstop1h 00m

Kos

Mon 12/22

9:45 pm-10:45 pm

Nonstop1h 00m

$117

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

Sun 11/30

8:30 am-9:30 am

Nonstop1h 00m

Kos

Sat 12/13

8:35 pm-9:40 pm

Nonstop1h 05m

$118

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How to get the cheapest flight ticket from Athens to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Kos?

The cheapest month to fly to Kos from Athens is in March. Flight prices, which tend to average around $114, are often lower during this time because this is during the off-season. If you’re not able to fly to Kos in March, then December is your next best option. Flight prices from Athens to Kos during December average around $128.

What is the cheapest day to depart on your flight to Kos?

The cheapest day to depart from Athens to Kos is on a Saturday when prices can be found for as low as $126. On the other hand, Monday is the most expensive day to depart from Athens because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $187.

What is the cheapest time of day to depart on your flight to Kos?

Flying to Kos from Athens in the evening is the least expensive time of day to depart. momondo users have found prices as low as $126 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $197 on average. Flights to Kos from Athens in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Athens Eleftherios V. to Kos flight route?

Fly from Athens Eleftherios V. to Kos for the best Athens Eleftherios V. - Kos flight prices

How far in advance should I book a flight to Kos?

You are more likely to see cheaper flights to Kos from Athens when booking weeks ahead of your departure date. In general, you can expect to find flights to Kos for around $146 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kos from Athens for as low as $104 on momondo.

What cabin class options are available on Athens Eleftherios V. to Kos flights?

There are 3 cabin classes available to choose from on Athens Eleftherios V. to Kos flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Athens to Kos flight prices changed over time?

As of November 2025, prices for Athens to Kos flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Athens to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from Athens to Kos according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Athens to Kos (ATH to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Athens to Kos

Best Price Found	$73
Fastest flight time	1h 00m
Direct flights	Every day
Airports in Kos	1 airport

The best one-way flight to Kos from Athens in the past 72 hours is $73. The best round-trip flight deal from Athens to Kos found on momondo in the last 72 hours is $158.

The fastest flight from Athens to Kos takes 1h 00m

Direct flights go from Athens to Kos every day.

There is 1 airport near Kos: Kos (KGS)

Search flight deals

How far is Athens Eleftherios V. to Kos by plane?
Athens Eleftherios V. and Kos are 209.2 mi apart from one another. Typically, this will take 1h 00m by plane in normal conditions.
When did momondo last update prices for flights from Athens Eleftherios V. Airport to Kos Airport?
Prices for flights from Athens Eleftherios V. Airport to Kos Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Athens Eleftherios V. Airport to Kos Airport?
The number of operators available for flights from Athens Eleftherios V. Airport to Kos Airport is 2 as of November 2025.
How old do you have to be to fly from Athens Eleftherios V. Airport to Kos Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Athens Eleftherios V. Airport to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Athens to Kos?
momondo data reveals that the most frequently booked plane model on the route from Athens to Kos is ATR 42 / ATR 72, representing 45.64% of all bookings. The subsequent popular models are ATR 72-201 / 202 at 23.08%, Airbus A320-100/200 at 21.37%, and Airbus A320neo at 8.21%.
What is the most popular airline from Athens to Kos?
momondo data reveals that the most frequently booked airline on the route from Athens to Kos is Aegean Airlines, representing 61% of all bookings. The subsequent popular airline is Sky Express at 39%.

Best airlines flying from Athens to Kos

Compare and see reviews for airlines that fly from Athens to Kos with momondo

Airline	Rating	Free Cancellation	Price
Sky Express	PriceFrom $95	Free Cancellation	Rating 7.5 120 reviews		Search Sky Express flights
Aegean Airlines	PriceFrom $96	Free Cancellation	Rating 8.1 817 reviews		Search Aegean Airlines flights

Aegean Airlines Flights From Athens to Kos
Aegean Airlines flight deals from Athens to Kos start from $96 round-trip. Over the 18 Aegean Airlines flights for this route in a normal week, average airfare is usually $162 round-trip - but some users have found much cheaper deals with momondo.
Sky Express Flights From Athens to Kos
Another popular option for Athens to Kos flights is Sky Express (7.5/10, 120 ratings). Sky Express flies from Athens to Kos around 14 times per week, with deals starting from $95 round-trip and rising to an average price of around $172.

Kardamena

Marmari

Why use momondo?

Why should I use momondo to find a flight deal from Athens to Kos?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kos from Athens.

Can I find flights from Athens to Kos with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kos from Athens which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Athens to Kos?

momondo helps you find the best flight between Athens and Kos by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Athens to Kos right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Kos, momondo offers a useful price alert feature which will track prices for flights to Kos from Athens and alert you when they change.

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Athens to Kos from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Athens to Kos departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Athens to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kos?

What is the cheapest day to depart on your flight to Kos?

The cheapest day to depart from Athens to Kos is on a Saturday when prices can be found for as low as $126. On the other hand, Monday is the most expensive day to depart from Athens because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $187.

What is the cheapest time of day to depart on your flight to Kos?

What is the cheapest Athens Eleftherios V. to Kos flight route?

Fly from Athens Eleftherios V. to Kos for the best Athens Eleftherios V. - Kos flight prices

How far in advance should I book a flight to Kos?

What cabin class options are available on Athens Eleftherios V. to Kos flights?

There are 3 cabin classes available to choose from on Athens Eleftherios V. to Kos flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Athens to Kos flight prices changed over time?

As of November 2025, prices for Athens to Kos flights are approximately 7% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Athens Eleftherios V. to Kos?

Sky Express, Aegean Airlines, and Hahn Air Systems are the most popular carriers operating from Athens Eleftherios V. to Kos

How often are flights from Athens to Kos delayed?

Historically, on average around 23% of flights between Athens and Kos have experienced a delay on any given week. The average delay length over the past 12 months has been 78 minutes.

What is the most punctual flight time for Athens to Kos flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Athens to Kos flights?

According to our data, Olympic Air have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

How many flights depart from Athens to Kos on average per day?

5 flights are operational daily from Athens to Kos as of November 2025. The most popular departure time for this route is 10:00AM, with 45% of flights per day taking off at noon.

How many flights depart from Athens to Kos on average per week?

The number of flights available between Athens and Kos is 41 per week as of November 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

When to book flights from Athens to Kos

Cheap Athens to Kos (ATH to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Athens to Kos

Best Price Found

Fastest flight time

Direct flights

Airports in Kos

How far is Athens Eleftherios V. to Kos by plane?

When did momondo last update prices for flights from Athens Eleftherios V. Airport to Kos Airport?

How many operators does momondo search for flights from Athens Eleftherios V. Airport to Kos Airport?

How old do you have to be to fly from Athens Eleftherios V. Airport to Kos Airport?

What documentation or ID do you need to fly to Kos Airport?

What is the most popular plane model from Athens to Kos?

What is the most popular airline from Athens to Kos?

Best airlines flying from Athens to Kos

Compare and see reviews for airlines that fly from Athens to Kos with momondo

Aegean Airlines Flights From Athens to Kos

Sky Express Flights From Athens to Kos

Traveling to a place near Kos?

Why use momondo?

Why should I use momondo to find a flight deal from Athens to Kos?

Can I find flights from Athens to Kos with flexible booking policies on momondo?

How can momondo help me find flights from Athens to Kos?

I’m not ready to book a flight from Athens to Kos right now. Can momondo alert me if prices change?

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Airports servicing South Aegean