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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — KGS
14 Dec — 21 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Athens Eleftherios V. to Kos are usually found in March or December, booked 61 days in advance, depart on a Wednesday or Monday and return on a Tuesday
Find flight deals from Athens to Kos
Enter your travel dates to find the best prices.
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 14 November 2025.
Sat 6/1219:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sun 7/1219:55KGS - ATH
1 stop4h 00mAegean Airlines
Deal found 12/11£122
Thu 13/1119:00ATH - KGS
Nonstop1h 05mAegean Airlines
Mon 17/1112:35KGS - ATH
Nonstop0h 50mAegean Airlines
Deal found 13/11£145
Thu 11/1211:25ATH - KGS
1 stop8h 05mAegean Airlines
Mon 15/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£147
Tue 2/1207:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 6/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£162
Sun 30/1111:25ATH - KGS
1 stop8h 05mAegean Airlines
Sun 14/1219:55KGS - ATH
1 stop4h 00mAegean Airlines
Deal found 12/11£236
Best flights from Athens to Kos
Discover carefully curated flight deals from Athens to Kos that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2025.
Sun 1/319:30ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 7/316:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£84
Wed 11/310:30ATH - KGS
Nonstop1h 00mHahn Air Systems
Sun 15/321:45KGS - ATH
Nonstop1h 00mHahn Air Systems
Deal found 11/11£139
Wed 11/320:15ATH - KGS
Nonstop1h 00mSky Express
Sun 15/308:30KGS - ATH
Nonstop1h 00mSky Express
Deal found 13/11£142
Thu 11/1211:25ATH - KGS
1 stop8h 05mAegean Airlines
Mon 15/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£147
Sun 30/1113:05ATH - KGS
1 stop6h 25mAegean Airlines
Sun 14/1217:35KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£162
Tue 2/1207:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 6/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£162
Wed 11/315:05ATH - KGS
Nonstop1h 05mAegean Airlines
Sun 15/319:55KGS - ATH
1 stop24h 45mAegean Airlines
Deal found 12/11£233
Direct flights from Athens to Kos
Explore direct flight options from Athens to Kos based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 November 2025.
Sun 1/319:30ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 7/316:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 13/11£84
Wed 11/310:30ATH - KGS
Nonstop1h 00mHahn Air Systems
Sun 15/321:45KGS - ATH
Nonstop1h 00mHahn Air Systems
Deal found 12/11£139
Wed 11/320:15ATH - KGS
Nonstop1h 00mSky Express
Sun 15/308:30KGS - ATH
Nonstop1h 00mSky Express
Deal found 13/11£142
Tue 2/1207:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 6/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£162
Last-minute flights from Athens to Kos
Discover last-minute flight deals from Athens to Kos. Data last updated 14 November 2025 and is based on user searches.
Thu 13/1119:00ATH - KGS
Nonstop1h 05mAegean Airlines
Mon 17/1112:35KGS - ATH
Nonstop0h 50mAegean Airlines
Deal found 13/11£145
Sun 30/1111:25ATH - KGS
1 stop8h 05mAegean Airlines
Sun 14/1219:55KGS - ATH
1 stop4h 00mAegean Airlines
Deal found 12/11£236
Tue 2/1211:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sat 6/1220:35KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£162
Sat 6/1219:00ATH - KGS
Nonstop1h 05mAegean Airlines
Sun 7/1219:55KGS - ATH
1 stop4h 00mAegean Airlines
Deal found 12/11£122
Thu 11/1211:25ATH - KGS
1 stop8h 05mAegean Airlines
Mon 15/1216:40KGS - ATH
Nonstop1h 05mAegean Airlines
Deal found 12/11£147
One-way flights from Athens to Kos
Search for one-way flight options from Athens to Kos. Find affordable one-way fares based on user searches. Data last updated 14 November 2025.
Fri 12/1219:30ATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 12/11£43
Thu 7/507:05ATH - KGS
Nonstop1h 00mSky Express
Deal found 12/11£47
Thu 1/119:00ATH - KGS
Nonstop1h 05mAegean Airlines
Deal found 13/11£52
Wed 26/1123:45ATH - KGS
1 stop19h 45mAegean Airlines
Deal found 12/11£136
Thu 7/504:20ATH - KGS
2 stops29h 15mMultiple Airlines
Deal found 12/11£180
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 14 November 2025.
Customise 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 858,174 searches. Data last updated 14 November 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.
Sun 1/3
19:30-20:35
Nonstop1h 05m
Kos
Sat 7/3
16:40-17:45
Nonstop1h 05m
£84
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Wed 11/3
10:30-11:30
Nonstop1h 00m
Kos
Sun 15/3
21:45-22:45
Nonstop1h 00m
£139
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Wed 11/3
20:15-21:15
Nonstop1h 00m
Kos
Sun 15/3
08:30-09:30
Nonstop1h 00m
£142
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Thu 11/12
11:25-19:30
1 stop8h 05m
Kos
Mon 15/12
16:40-17:45
Nonstop1h 05m
£147
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Sun 30/11
13:05-19:30
1 stop6h 25m
Kos
Sun 14/12
17:35-18:40
Nonstop1h 05m
£162
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Tue 2/12
07:00-08:05
Nonstop1h 05m
Kos
Sat 6/12
16:40-17:45
Nonstop1h 05m
£162
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Wed 11/3
15:05-16:10
Nonstop1h 05m
Kos
Sun 15/3
19:55-20:40
1 stop24h 45m
£233
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Fri 12/12
19:30-20:35
Nonstop1h 05m
£43
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Thu 7/5
07:05-08:05
Nonstop1h 00m
£47
AthensKos
ATH - KGS
ATHKGS
Athens Eleftherios V.
Thu 1/1
19:00-20:05
Nonstop1h 05m
£52
Flights are sorted by cheapest return flights first.
Deals found on 12/11
Showing 1-10 of 12 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 return 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?
Use this chart to determine the optimal time to book a return flight from Athens to Kos. Price data was last updated on 7 November 2025.
The best time to book flights from Athens to Kos is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 £49). Flying from Athens to Kos in October is currently the most expensive (average of £81). 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 14 November 2025.
When flying from Athens to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 24% versus a flight in the afternoon.
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 14 November 2025.
The most flights from ATH to KGS are scheduled on a Friday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
How often are flights from Athens to Kos delayed?
About 22% of weekly flights between Athens and Kos have experienced delays in the past year, with the average delay time being 78 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?
Sunday 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 past year, Olympic Air have had the lowest number of delays on this route, with just 18% 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 14 November 2025.
See what other customers who have flown with Aegean Airlines and Sky Express from Athens to Kos have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
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?
You will need to book a flight from Athens Eleftherios V. to Kos if you want to fly from Athens to Kos. At least 2 different airlines have flights from Eleftherios V. (ATH) to Kos (KGS) on a regular basis. There are 6 flights to Kos from the Athens airport per day. If you manage to book one that is nonstop, then you can expect the flight time from ATH to KGS to be around 1h 00m.
How popular is this Athens to Kos flight route?
The Athens Eleftherios V. to Kos flight path was viewed by 7 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?
A quick flight from Athens to Kos can take about 1h. Aegean Airlines provides one of the quickest options available for as low as £139. There are 189 mi between Athens and Kos. Generally, flights for this route are direct.
What are the cheapest airlines flying from Athens to Kos round-trip?
According to our current data, Sky Express (£69), and Aegean Airlines (£86) offers the cheapest pricing from Athens to Kos. Sky Express is 38% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Athens to Kos?
Consider Olympic Air (87%), Etihad Airways (84%) or Aegean Airlines (82%) when booking your flight. These represent the most reliable airlines when flying from Athens to Kos.
What are the cheapest flights from Athens to Kos?
On average you can expect to pay £148 for a flight from Athens to Kos. The cheapest flight overall is £59 while the most popular route, (Athens Eleftherios V. - Kos) is currently priced at £74.
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 £49). Flying from Athens to Kos in October is currently the most expensive (average of £81). 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.
Explore flights to Kos departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
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 858,174 searches. Data last updated 14 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Athens to Kos?
Cheapflights helps you search for flights from Athens to Kos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Athens to Kos?
Cheapflights simply makes it quick and affordable to book flights from Athens to Kos by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Athens to Kos with no change fees?
Need flexible booking options for your flight to Kos from Athens? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Athens to Kos become cheaper?
Of course! You can now track prices for flights from Athens to Kos and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.