Ancient ruins with stone columns and scattered trees.

$49 Cheap Flights from Athens (ATH) to Kos (KGS)

View $49 flight on Sat, Feb 20, 2027Opens 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 to Kos (ATH-KGS)

Prices were available within the past 7 days and start at $49 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$90 Roundtrip, found 3 days ago
$90
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $90 found 3 days ago
Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$96 Roundtrip, found 3 days ago
$96
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $96 found 3 days ago
Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$97 Roundtrip, found 3 days ago
$97
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $97 found 3 days ago
Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$100 Roundtrip, found 3 days ago
$100
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $100 found 3 days ago
Aegean
Mon, Nov 2 - Thu, Nov 19
ATH
Athens
KGS
Kos
$104 Roundtrip, found 5 days ago
$104
Roundtrip
found 5 days ago
Select Aegean flight, departing Mon, Nov 2 from Athens to Kos, returning Thu, Nov 19, priced at $104 found 5 days ago
Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$104 Roundtrip, found 3 days ago
$104
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $104 found 3 days ago
Aegean
Fri, Oct 9 - Mon, Oct 12
ATH
Athens
KGS
Kos
$105 Roundtrip, found 3 days ago
$105
Roundtrip
found 3 days ago
Select Aegean flight, departing Fri, Oct 9 from Athens to Kos, returning Mon, Oct 12, priced at $105 found 3 days ago
Aegean
Thu, Jan 14 - Wed, Jan 20
ATH
Athens
KGS
Kos
$106 Roundtrip, found 3 days ago
$106
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 14 from Athens to Kos, returning Wed, Jan 20, priced at $106 found 3 days ago
Involatus
Thu, Oct 8 - Mon, Oct 12
ATH
Athens
KGS
Kos
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Involatus flight, departing Thu, Oct 8 from Athens to Kos, returning Mon, Oct 12, priced at $175 found 4 days ago
SKY express
Mon, Nov 2 - Sun, Nov 15
ATH
Athens
KGS
Kos
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select SKY express flight, departing Mon, Nov 2 from Athens to Kos, returning Sun, Nov 15, priced at $185 found 1 day ago

Alternative airports near Kos

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

Select flight to Kalymnos Island National JKL. Average driving time to city center is 2 hours 50 minutes. Flights from $277
JKL
Kalymnos Island National
Average driving time to city center2 h 50 min
Flights from $277

Find the cheapest month to fly from Athens (ATH) to Kos (KGS)

March is typically the cheapest month to fly

From $84 - $148 per traveler.

What you need to know for your flight from Eleftherios Venizelos to Kos Island Intl.

Athens (ATH) to Kos (KGS) at a glance

Traveling from Athens (ATH) to Kos (KGS) offers numerous options with a range of airlines catering to this domestic short-haul route. Explore itineraries from full-service carriers to discover the best match for your budget and schedule while you prepare to experience the iconic sights and vibrant neighborhoods of Kos. Get essential flight information for your journey from Eleftherios Venizelos Airport (ATH) to Kos Island International Airport (KGS).

  • Fastest flight duration: around 1 hour non-stop
  • Route distance: roughly 200 miles (320 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $55–$175, depending on seasonality and how far ahead you book

Flights from Eleftherios Venizelos Airport (ATH) to Kos Island International Airport (KGS)

Based on the latest traveler bookings, here are the top airlines flying non-stop from Athens to Kos. These options allow you to choose the best combination of price, total travel time, and cabin class, ensuring you can create the ideal itinerary for your journey.

  • Aegean: This full-service airline offers non-stop flights, with one-way prices generally falling between $60 and $200. It comprises about 54% of all departures on this route, with an overall travel time of 1 hour.
  • Sky Express: Another full-service option, Sky Express provides non-stop service with one-way fares usually ranging from $55 to $205. This carrier accounts for roughly 46% of departures on this route and has a total flight duration of 1 hour.

Travelers have the option to upgrade their flight from Athens to Kos, with Aegean Airlines providing business class service on this route for a more comfortable journey.

Alternative route from Athens (ATH) to Kos (KGS)

  • Athens to Kalymnos (ATH-JKL): Kalymnos Island National Airport (JKL) is located approximately 14 miles from Kos Island International Airport (KGS). One-way economy prices for this route generally fall between $105 and $185, influenced by the season and how far in advance you book. Travelers can choose from both non-stop and one-stop flights, with Sky Express being the most favored airline on this route.

How to find the best prices for flights from Athens (ATH) to Kos (KGS)

Getting some of the best deals on flights from Athens to Kos is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures (5 am-12 pm) often offer lower prices, although afternoon flights (12 pm-6 pm) are more popular. Additionally, flying on Monday tends to be cheaper, while Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Kos hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Kos Island International Airport from Eleftherios Venizelos Airport

Kos welcomes travelers from Athens with a range of transport options based on price, convenience, and proximity. For departures, Eleftherios Venizelos Airport is roughly a 30-minute drive (covering about 22 miles) from central Athens. Here's how to reach Kos efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Kos, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Kos Island International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kos Island International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Kos Island International Airport, Kos Island Seaport, a seaport, is located approximately 0.7 miles away, making it a convenient distance for travelers.

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 $49 and cheap return flights from $90 Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) with Expedia. One-way flights typically cost between $56 and $184, and return flights often range between $119 and $320. 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 Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
December is the cheapest month to fly from Athens (ATH) to Kos (KGS), with average round-trip fares around $86. This price is about 41% lower than the average throughout the year, as December is a quieter travel month. Other budget-friendly months include January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
2 airlines operate nonstop service from ATH to KGS:

  • Sky Express operates around 20 direct flights from ATH to KGS every week
  • Aegean operates around 7 direct flights from ATH to KGS every week

What is the cheapest airline that flies from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
Sky Express is one of the cheapest airlines offering connecting flights from Athens (ATH) to Kos (KGS), with round-trip tickets starting from around $104. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.), 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 time to fly from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
The best time to fly from Athens to Kos is in December or January, with average return flight prices around $86. These months are not only the cheapest but also less crowded, allowing you to enjoy a more peaceful travel experience. If you're looking for a budget-friendly getaway, these months are perfect for you.*Prices based on flights available on Expedia in the last year.
How many flights per day from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
There are approximately 3 nonstop flights per day from Eleftherios Venizelos (ATH) to Kos Island Intl. (KGS). For more options, look at flights that include layovers.
What is the earliest flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Athens (Eleftherios Venizelos) to Kos (Kos Island Intl.) usually departs at around 6:35 AM, operated by Aegean and Olympic Airlines. This early flight can help you get a head start on your day in Kos. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
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) to Kos (KGS) are in the late afternoon, from 3pm to 6pm. About 31% of passengers prefer this time window. Many major carriers, including Aegean, Olympic, and Sky Express, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning in Athens before heading to the beautiful island of Kos.
How long does it take to fly from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
A nonstop flight from ATH to KGS typically takes around 1 hour, covering approximately 190 miles. Connecting flights on this route usually add 10 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
Business class seats are offered on the ATH to KGS route with Aegean.
How much is a business class flight from Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
A non-stop, one-way business class flight from Athens (ATH) to Kos (KGS) is usually around $220 - $256. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
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 from Eleftherios Venizelos (ATH)?
From Eleftherios Venizelos (ATH), you can fly into Kos Island Intl. (KGS) to reach Kos. 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.) Kos Vacation Packages 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-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.)?
If you booked your Athens (ATH-Eleftherios Venizelos) to Kos (KGS-Kos Island Intl.) 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, Involatus, SKY express
Roundtrip price
$90
Distance
189 mi

Book with confidence

Athens to Kos Flights

The cheapest times to fly from Athens to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Athens to Kos are during the month of January. You can find some of the cheapest flights from Athens to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Athens to Kos

Sunday is one of the best days to book for cheap flights from Athens to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Athens to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Athens to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $49 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Athens to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Athens to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Athens to Kos Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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