HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kos

$58+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — KGS
oct. 19 — oct. 261
dom. 10/19
dom. 10/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Athens to Kos with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 19, 2025.

Round-trip from

$83
(Booking.com)

One-way from

$58
(Aegean Airlines)

Popular in

August

Cheapest in

March

Average price

$165

Good round-trip deal

$160 or less

Good one-way deal

$87 or less
From Athens Eleftherios V. to Kos
Search Deals
One-way flight from Athens Eleftherios V. to Kos
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Athens Eleftherios V. to Kos.
Search Deals
Price to beat on a one-way flight from Athens Eleftherios V. to Kos.
Search Deals

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 septiembre 19, 2025.

This Booking.com deal was found by Cheapflights users on 9/18. 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.
jue. 11/137:00 amATH - KGS
Nonstop1h 05mMultiple Airlines
dom. 11/169:45 pmKGS - ATH
Nonstop1h 00mMultiple Airlines
Deal found 9/18$83
This Aegean Airlines deal was found by Cheapflights users on 9/18. 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. 12/124:00 pmATH - KGS
Nonstop1h 05mAegean Airlines
dom. 12/149:05 pmKGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 9/18$89
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/110:30 amATH - KGS
Nonstop1h 00mSky Express
sáb. 11/89:45 pmKGS - ATH
Nonstop1h 00mSky Express
Deal found 9/17$102
This Mytrip deal was found by Cheapflights users on 9/18. 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. 10/167:05 amATH - KGS
Nonstop1h 00mSky Express
jue. 10/2310:25 pmKGS - ATH
Nonstop1h 00mSky Express
Deal found 9/18$132
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.
lun. 9/2210:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
lun. 9/296:00 amKGS - ATH
Nonstop1h 10mAegean Airlines
Deal found 9/17$134
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. 10/910:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
lun. 10/136:00 amKGS - ATH
Nonstop1h 10mAegean Airlines
Deal found 9/17$139
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.
vie. 9/267:05 amATH - KGS
Nonstop1h 00mSky Express
dom. 9/285:40 pmKGS - ATH
Nonstop1h 00mSky Express
Deal found 9/17$148
This Booking.com deal was found by Cheapflights users on 9/18. 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.
sáb. 10/1810:55 pmATH - KGS
Nonstop1h 00mMultiple Airlines
sáb. 10/2510:25 pmKGS - ATH
Nonstop1h 00mMultiple Airlines
Deal found 9/18$175
This Mytrip deal was found by Cheapflights users on 9/18. 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.
lun. 10/204:35 pmATH - KGS
Nonstop0h 55mMultiple Airlines
jue. 10/2312:15 pmKGS - ATH
1 stop10h 35mMultiple Airlines
Deal found 9/18$177
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.
lun. 9/2210:55 pmATH - KGS
Nonstop1h 00mAegean Airlines
mié. 9/246:10 pmKGS - ATH
Nonstop0h 55mAegean Airlines
Deal found 9/17$180

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 septiembre 19, 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.

vie. 12/12

4:00 pm-5:05 pm

Nonstop1h 05m

Kos

dom. 12/14

9:05 pm-10:10 pm

Nonstop1h 05m

$89

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

sáb. 11/1

10:30 am-11:30 am

Nonstop1h 00m

Kos

sáb. 11/8

9:45 pm-10:45 pm

Nonstop1h 00m

$102

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

jue. 10/16

7:05 am-8:05 am

Nonstop1h 00m

Kos

jue. 10/23

10:25 pm-11:25 pm

Nonstop1h 00m

$132

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

jue. 10/9

9:50 am-10:55 am

Nonstop1h 05m

Kos

lun. 10/13

6:10 pm-7:05 pm

Nonstop0h 55m

$140

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

lun. 10/20

4:35 pm-5:30 pm

Nonstop0h 55m

Kos

jue. 10/23

12:15 pm-10:50 pm

1 stop10h 35m

$177

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

sáb. 11/1

9:30 pm-7:30 pm

1 stop22h 00m

Kos

sáb. 11/8

9:45 pm-10:45 pm

Nonstop1h 00m

$181

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

jue. 10/16

9:05 pm-10:05 pm

Nonstop1h 00m

Kos

jue. 10/23

12:15 pm-10:50 pm

1 stop10h 35m

$182

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

mié. 3/11

10:30 am-11:30 am

Nonstop1h 00m

Kos

dom. 3/15

9:45 pm-10:45 pm

Nonstop1h 00m

$187

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

mié. 3/11

8:15 pm-9:15 pm

Nonstop1h 00m

Kos

dom. 3/15

12:00 pm-1:00 pm

Nonstop1h 00m

$197

AthensKos

ATH - KGS

ATHKGS

Athens Eleftherios V.

vie. 10/24

4:35 pm-5:30 pm

Nonstop0h 55m

Kos

mar. 10/28

8:35 pm-9:40 pm

Nonstop1h 05m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 19 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 September 12, 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 septiembre 19, 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 September 14, 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 septiembre 19, 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
787 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

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
787 reviews
Aegean Airlines
8.1
Very good
787 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

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
120 reviews
Aegean Airlines
8.1
Very good
787 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

7.8

Food

7.4

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 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 6 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?

    Aegean Airlines and Sky Express can get you from Athens to Kos in just under 1h. 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 ($96) offers the cheapest pricing from Athens to Kos. Sky Express is currently priced 34% 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 (63%), Aegean Airlines (51%) and Sky Express (49%).

  • What are the cheapest flights from Athens to Kos?

    While on average a flight from Athens to Kos is generally $227, our data shows the cheapest flight currently is $67. When looking at the most popular route, (Athens Eleftherios V. - Kos), you can expect to pay $102 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Athens to Kos

See prices for flight routes from nearby airports that may be better suited for you.
Athens to Santorini flights
Athens to Mykonos flights
Athens to Naxos flights
Athens to Parikia flights
Athens to Rhodes flights
Athens to Paleochori flights
Athens to Karpathos flights

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 septiembre 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$95Average$163FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$96Average$153FlexibilityNo cancel feeOn-time87%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.