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£66 Cheap Flights from Athens (ATH) to Kasos Island (KSJ)

View £66 flight on Thu, 15 Oct 2026Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Kasos Island (KSJ)

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Cheap Flights from Athens (ATH) to Kasos Island (KSJ)

Prices were available within the past 7 days and start at £66 for one-way flights and £127 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£127 Return, found 4 days ago
£127
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £127 found 4 days ago
Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£128 Return, found 4 days ago
£128
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £128 found 4 days ago
Olympic
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£128 Return, found 4 days ago
£128
Return
found 4 days ago
Select Olympic flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £128 found 4 days ago
Olympic
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£129 Return, found 4 days ago
£129
Return
found 4 days ago
Select Olympic flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £129 found 4 days ago
Aegean
Fri, 11 Sept - Sun, 13 Sept
ATH
Athens
KSJ
Kasos
£133 Return, found 3 days ago
£133
Return
found 3 days ago
Select Aegean flight, departing Fri, 11 Sept from Athens to Kasos, returning Sun, 13 Sept, priced at £133 found 3 days ago
Aegean
Thu, 24 Sept - Tue, 29 Sept
ATH
Athens
KSJ
Kasos
£134 Return, found 6 days ago
£134
Return
found 6 days ago
Select Aegean flight, departing Thu, 24 Sept from Athens to Kasos, returning Tue, 29 Sept, priced at £134 found 6 days ago
Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£135 Return, found 4 days ago
£135
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £135 found 4 days ago
Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£136 Return, found 4 days ago
£136
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £136 found 4 days ago
Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£139 Return, found 4 days ago
£139
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £139 found 4 days ago
Aegean
Tue, 15 Sept - Fri, 18 Sept
ATH
Athens
KSJ
Kasos
£140 Return, found 4 days ago
£140
Return
found 4 days ago
Select Aegean flight, departing Tue, 15 Sept from Athens to Kasos, returning Fri, 18 Sept, priced at £140 found 4 days ago

Frequently asked questions

How much does a flight from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ) cost?
You can find one-way and return flights from ATH to KSJ with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when ATH to KSJ ticket fares go up or down.
What is the cheapest month to fly from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
The cheapest months to fly from ATH to KSJ 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) to Kasos Island (KSJ)?
Enter ATH to KSJ and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
Olympic is one of the cheapest airlines offering connecting return flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ), with tickets starting from around £125 for flights that can be booked for departure within the next year. These prices are for an adult, economy class ticket. 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.
How do I find cheap flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
To find a cheap flight from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ), 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 Kasos Island (KSJ)?
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 Kasos Island (KSJ)?
There are approximately 5 connecting flights per day from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ). Some common connection points include Diagoras (RHO), Sitia (JSH), and Karpathos National (AOK).
What is the earliest flight from Athens (ATH) to Kasos Island (KSJ)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Athens (ATH) to Kasos Island (KSJ). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
You'll find the most flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ) on a Monday, with around 6 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aegean and Olympic. Flight schedules are consistent throughout the week, so you'll have similar options on other days too.
What are the most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
The most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ) are in the morning, between 9am and 12pm. Many major carriers, including Aegean and Olympic, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey.
How long does it take to fly from Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ)?
Flying from ATH to KSJ with a connection usually takes about 2 hours, traveling roughly 385 kilometers. 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) to Kasos Island (KSJ)?
Select the "Business class" and "First class" filters when looking for Athens (ATH) to Kasos Island (KSJ) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Athens (ATH) to Kasos Island (KSJ) flight with Expedia?
It's easy to earn miles on a Athens (ATH) to Kasos Island (KSJ) 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.
Is it cheaper to buy a plane ticket from Athens (ATH) to Kasos Island (KSJ) at the last minute?
Typically, booking a last minute flight from Athens (ATH) to Kasos Island (KSJ) 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) to Kasos Island (KSJ) flight and hotel package?
Securing a Athens (ATH) to Kasos Island (KSJ) 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-Eleftherios Venizelos) to Kasos Island (KSJ)?
If you booked your Athens (ATH-Eleftherios Venizelos) to Kasos Island (KSJ) 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

Origin airport
Eleftherios Venizelos
Destination airport
Kasos Island
Return price
£126
Distance
382 km

Book with confidence

Compare flights from Athens to Kasos Island easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Athens to Kasos Island. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kasos Island in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Eleftherios Venizelos to Kasos Island.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Eleftherios Venizelos (ATH) to Kasos Island (KSJ)

The easiest way to view the best deals on flights from Athens to Kasos Island today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Eleftherios Venizelos to Kasos Island start at just £127 and range up to £140.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Athens and Kasos Island
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Athens to Kasos Island flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Eleftherios Venizelos to Kasos Island for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Athens to Kasos Island easily and book with confidence
*Available to Expedia members.