$47+ Cheap flights from Athens to Kos (ATH - KGS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — KGS
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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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 February or December, booked 73 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Athens to Kos
Cheapest
Best
Last-minute
One-way
Cheapest flights from Athens to KosExplore 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 September 23, 2026.
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 September 23, 2026.
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.
Thu 11/510:30 am -
Nonstop1h 00m
Sun 11/89:45 pm -
Nonstop1h 00m
Deal found 9/18![Sky Express logo]()
$93
This Booking.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/86:20 am -
Nonstop1h 00m
Mon 10/1210:25 pm -
Nonstop1h 00m
Deal found 9/22![Multiple Airlines logo]()
$94
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/227:05 am -
Nonstop1h 00m
Mon 10/269:45 pm -
Nonstop1h 00m
Deal found 9/21![Sky Express logo]()
$102
This Booking.com deal was found by Cheapflights users on 9/19. 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.
Mon 11/1610:30 am -
Nonstop1h 00m
Mon 11/235:15 pm -
Nonstop1h 05m
Deal found 9/19![Multiple Airlines logo]()
$104
This Booking.com deal was found by Cheapflights users on 9/19. 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 11/310:30 am -
Nonstop1h 00m
Tue 11/109:45 pm -
Nonstop1h 00m
Deal found 9/19![Sky Express logo]()
$115
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Thu 11/56:50 am -
Nonstop0h 55m
Thu 11/129:45 pm -
Nonstop1h 00m
Deal found 9/21![Multiple Airlines logo]()
$116
This CheapOair deal was found by Cheapflights users on 9/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 am -
Nonstop1h 00m
Sun 11/89:45 pm -
Nonstop1h 00m
Deal found 9/19![Sky Express logo]()
$118
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.
Sun 9/207:05 am -
Nonstop1h 00m
Sun 11/89:45 pm -
Nonstop1h 00m
Deal found 9/18![Sky Express logo]()
$120
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Sun 10/187:05 am -
Nonstop1h 00m
Sun 10/259:45 pm -
Nonstop1h 00m
Deal found 9/20![Sky Express logo]()
$122
This Olympic Air deal was found by Cheapflights users on 9/21. 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 11/146:50 am -
Nonstop0h 55m
Mon 11/168:40 pm -
Nonstop0h 55m
Deal found 9/21![Aegean Airlines logo]()
$129
Best flights from Athens to KosDiscover carefully curated flight deals from Athens to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Athens to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Olympic Air 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 Olympic Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:35 am -
Nonstop1h 00m
Mon 10/128:10 am -
Nonstop1h 05m
Deal found 9/18![Aegean Airlines logo]()
$143
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.
Sat 10/246:35 am -
Nonstop1h 10m
Wed 10/288:25 am -
Nonstop1h 05m
Deal found 9/18![Aegean Airlines logo]()
$187
This Olympic Air deal was found by Cheapflights users on 9/21. 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.
Thu 11/56:50 am -
Nonstop0h 55m
Sun 11/87:55 pm -
1 stop4h 00m
Deal found 9/21![Aegean Airlines logo]()
$212
This Olympic Air 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 Olympic Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:10 pm -
Nonstop0h 50m
Sun 11/87:55 pm -
1 stop4h 00m
Deal found 9/18![Aegean Airlines logo]()
$224
This Aegean Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/712:30 pm -
Nonstop1h 05m
Sun 11/87:55 pm -
1 stop4h 00m
Deal found 9/23![Aegean Airlines logo]()
$224
This Olympic Air deal was found by Cheapflights users on 9/23. 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.
Fri 10/166:35 am -
Nonstop1h 00m
Sat 10/176:00 am -
Nonstop1h 10m
Deal found 9/23![Aegean Airlines logo]()
$234
This Aegean Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 11/51:00 pm -
1 stop6h 30m
Thu 11/128:40 pm -
Nonstop0h 55m
Deal found 9/21![Aegean Airlines logo]()
$235
Last-minute flights from Athens to KosDiscover last-minute flight deals from Athens to Kos. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Athens to Kos. Data last updated September 23, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:05 am -
Nonstop1h 00m
Wed 9/308:35 am -
Nonstop1h 00m
Deal found 9/21![Sky Express logo]()
$141
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:05 am -
Nonstop1h 00m
Fri 10/910:25 pm -
Nonstop1h 00m
Deal found 9/18![Sky Express logo]()
$151
This Olympic Air 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 Olympic Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:35 am -
Nonstop1h 00m
Mon 10/128:10 am -
Nonstop1h 05m
Deal found 9/18![Aegean Airlines logo]()
$143
This Booking.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/86:20 am -
Nonstop1h 00m
Mon 10/1210:25 pm -
Nonstop1h 00m
Deal found 9/22![Multiple Airlines logo]()
$94
This Olympic Air deal was found by Cheapflights users on 9/22. 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.
Thu 10/86:20 am -
Nonstop1h 00m
Mon 10/126:05 pm -
Nonstop1h 10m
Deal found 9/22![Aegean Airlines logo]()
$131
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Sun 10/187:05 am -
Nonstop1h 00m
Sun 10/259:45 pm -
Nonstop1h 00m
Deal found 9/20![Sky Express logo]()
$122
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/227:05 am -
Nonstop1h 00m
Mon 10/269:45 pm -
Nonstop1h 00m
Deal found 9/21![Sky Express logo]()
$102
This Mytrip deal was found by Cheapflights users on 9/21. 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 10/228:45 am -
2 stops12h 40m
Mon 10/269:45 pm -
Nonstop1h 00m
Deal found 9/21![Multiple Airlines logo]()
$148
This Booking.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/246:35 am -
Nonstop1h 10m
Sun 10/259:45 pm -
Nonstop1h 00m
Deal found 9/19![Multiple Airlines logo]()
$147
This CheapOair deal was found by Cheapflights users on 9/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 am -
Nonstop1h 00m
Sun 11/89:45 pm -
Nonstop1h 00m
Deal found 9/19![Sky Express logo]()
$118
One-way flights from Athens to KosSearch for one-way flight options from Athens to Kos. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Athens to Kos. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Thu 11/1910:30 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Sky Express logo]()
$47
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Sun 10/47:05 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Sky Express logo]()
$48
This Booking.com deal was found by Cheapflights users on 9/19. 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.
Sun 12/1312:30 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Aegean Airlines logo]()
$50
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Wed 10/216:35 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Aegean Airlines logo]()
$51
This Olympic Air deal was found by Cheapflights users on 9/21. 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.
Fri 10/236:35 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Aegean Airlines logo]()
$57
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/227:05 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Sky Express logo]()
$60
This Booking.com deal was found by Cheapflights users on 9/21. 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 10/66:35 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Aegean Airlines logo]()
$66
This OneTravel deal was found by Cheapflights users on 9/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Sky Express logo]()
$67
This Booking.com deal was found by Cheapflights users on 9/22. 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.
Fri 10/27:05 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Sky Express logo]()
$68
This Booking.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/246:35 am -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Aegean Airlines logo]()
$75
This Booking.com deal was found by Cheapflights users on 9/21. 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.
Mon 9/287:05 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Sky Express logo]()
$76
This Aegean Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/176:35 am -
Nonstop1h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Aegean Airlines logo]()
$80
Find 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $93 (Booking.com) |
One-way from | $47 (Booking.com) |
Popular in | August |
Cheapest in | February |
Average price | $174 |
Good round-trip deal | $159 or less |
Good one-way deal | $150 or less |
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 7,457,451 searches. Data last updated September 23, 2026.
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
Cheapest round-trip
Quickest round-trip
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Thu 11/19
10:30 am-11:30 am
Nonstop1h 00m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$47
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sun 10/18
7:05 am-8:05 am
Nonstop1h 00m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$48
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sat 10/24
6:35 am-7:45 am
Nonstop1h 10m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$75
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sat 10/17
6:35 am-7:35 am
Nonstop1h 00m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$80
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Tue 10/6
6:35 am-7:35 am
Nonstop1h 00m
Kos
Mon 10/12
8:10 am-9:15 am
Nonstop1h 05m
$143
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sun 10/4
8:00 am-11:15 am
1 stop3h 15m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sun 10/11
8:00 am-11:15 am
1 stop3h 15m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Thu 11/19
2:40 pm-7:30 pm
1 stop4h 50m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sun 12/13
2:40 pm-7:30 pm
1 stop4h 50m
Kos
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
AthensKos
ATH Athens Eleftherios V. - KGS Kos
ATHKGS
Athens Eleftherios V.
Sat 10/24
6:35 am-7:45 am
Nonstop1h 10m
Kos
Wed 10/28
8:25 am-9:30 am
Nonstop1h 05m
$187
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Athens to Kos
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
ATH-KGS
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
Prices
Airlines
Delays
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?
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 September 23, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Athens to Kos by exploring options for tickets in the morning.
How often are flights from Athens to Kos delayed?
About 19% of weekly flights between Athens and Kos have experienced delays in the past year, with the average delay time being 73 minutes.
What is the most punctual flight time for Athens to Kos flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Athens to Kos flights?
Over the last year, Olympic Air have had the lowest number of delays on this route, with just 15% of flights being delayed.
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 September 23, 2026.
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.
Entertainment
6.9
Crew
8.7
Comfort
7.8
Food
7.4
Overall
8.1
Boarding
7.8
Reviews
1 / 20
10.0
Excellentmandy,Dec 2025
ATH - RIX
Entertainment
6.9
Crew
8.7
Comfort
7.8
Food
7.4
Overall
8.1
Boarding
7.8
Reviews
1 / 20
10.0
Excellentmandy,Dec 2025
ATH - RIX
Entertainment
6.9
Crew
8.7
Comfort
7.8
Food
7.4
Overall
8.1
Boarding
7.8
Reviews
1 / 20
10.0
Excellentmandy,Dec 2025
ATH - RIX
Related info for your journey
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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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$192 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$187 | FlexibilityNo cancel fee | On-time87% |