Ancient ruins with stone columns and scattered trees.

Cheap Flights from Athens (ATH) to Kos (KGS)

View AU$74 flight on Tue, 27 Oct 2026Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Athens (ATH) to Kos (KGS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

SKY express
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$148 Return, found 3 days ago
AU$148
Return
found 3 days ago
Select SKY express flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$148 found 3 days ago
Aegean
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$151 Return, found 3 days ago
AU$151
Return
found 3 days ago
Select Aegean flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$151 found 3 days ago
SKY express
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$161 Return, found 3 days ago
AU$161
Return
found 3 days ago
Select SKY express flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$161 found 3 days ago
SKY express
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$165 Return, found 3 days ago
AU$165
Return
found 3 days ago
Select SKY express flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$165 found 3 days ago
Aegean
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$168 Return, found 3 days ago
AU$168
Return
found 3 days ago
Select Aegean flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$168 found 3 days ago
Aegean
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$169 Return, found 3 days ago
AU$169
Return
found 3 days ago
Select Aegean flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$169 found 3 days ago
SKY express
Thu, 17 Sept - Sat, 19 Sept
ATH
Athens
KGS
Kos
AU$173 Return, found 5 days ago
AU$173
Return
found 5 days ago
Select SKY express flight, departing Thu, 17 Sept from Athens to Kos, returning Sat, 19 Sept, priced at AU$173 found 5 days ago
SKY express
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$178 Return, found 3 days ago
AU$178
Return
found 3 days ago
Select SKY express flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$178 found 3 days ago
SKY express
Thu, 17 Sept - Sat, 19 Sept
ATH
Athens
KGS
Kos
AU$180 Return, found 5 days ago
AU$180
Return
found 5 days ago
Select SKY express flight, departing Thu, 17 Sept from Athens to Kos, returning Sat, 19 Sept, priced at AU$180 found 5 days ago
Aegean
Thu, 26 Nov - Wed, 2 Dec
ATH
Athens
KGS
Kos
AU$186 Return, found 3 days ago
AU$186
Return
found 3 days ago
Select Aegean flight, departing Thu, 26 Nov from Athens to Kos, returning Wed, 2 Dec, priced at AU$186 found 3 days ago

Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city centre is 25 minutes. Flights from AU$345
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city centre25 min
Flights from AU$345

Frequently asked questions

How much does a flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) cost?
You can find cheap one-way flights from AU$74 and cheap return flights from AU$148 ATH to KGS with Expedia. One-way flights typically cost between AU$106 and AU$207 and return flights often range between AU$253 and AU$416. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ATH to KGS ticket fares go up or down.
What is the cheapest month to fly from Athens (ATH) to Kos (KGS)?
The cheapest months to fly from Athens (ATH) to Kos (KGS) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
There are 2 airlines offering direct flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.).
  • Sky Express operates 21 direct flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) every week.
  • Aegean operates 10 direct flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) every week.
How do I find cheap flights from Athens (ATH) to Kos (KGS)?
To find a cheap flight from Athens (ATH) to Kos (KGS), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
The best airline to fly with from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) will differ from traveler to traveler. If you like to fly early, Sky Express offers early morning flights. If price is the most important factor, Sky Express typically offers the lowest fares. Aegean offers the most daily flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Athens (ATH) to Kos (KGS)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
You'll find approximately 4 nonstop flights per day from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.). For even more choices, look at flights that include layovers, as there are around 7 connecting flights per day. Some common connection points include Macedonia (SKG), Nikos Kazantzakis (HER), and Diagoras (RHO).
What is the earliest flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) typically departs at around 6:35 AM local time, operated by Aegean. This is a seasonal service active in September and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
You'll find the most flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) on Fridays, with around 8 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Olympic, Sky Express, and Aegean. Flight schedules are fairly consistent throughout the week, so you'll have several flight options no matter which day you choose to fly.
What are the most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) are in the afternoon, from 3pm to 6pm. Many major carriers, including Aegean, Olympic and Sky Express, offer flights during this window. Many travelers prefer this time as it allows for a full morning in Athens before departing and an early evening arrival in Kos, giving you time to settle in.
How long does it take to fly from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
A non-stop flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) typically takes around 1 hour. This route covers a distance of approximately 306 kilometres. If you opt for a flight with one stop, your travel time will be significantly longer, usually around 11 hours 30 minutes. Flights with two or more stops generally take about 6 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
You can fly business class between ATH and KGS. Airlines that offer business class service on this route include:
  • Aegean
How do I earn miles on a Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kos (KGS) from Athens (ATH)?
If you're planning to travel to Kos from Eleftherios Venizelos (ATH), you can fly directly into Kos Island Intl. (KGS) which offers international flights and connections. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Athens (ATH) to Kos (KGS)?
If you booked your Athens (ATH) to Kos (KGS) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Eleftherios Venizelos
Destination airport
Kos Island Intl.
Airlines serving
Aegean, SKY express
Return price
AU$147
Distance
303 km

Book with confidence

Your quick guide to flights from Athens to Kos

Pick up great flights from Athens to Kos

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Athens to Kos. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Athens to Kos that take around hours.

Find cheap flights from Athens to Kos

From the great flight deals with prices currently ranging from AU$148 to AU$186, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Athens to Kos around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Kos is normally in November.

Reasons to book your flight from Athens to Kos with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Athens to Kos across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Kos right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Athens to Kos

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*Available to Expedia members.