$136 Cheap Flights from Athens (ATH) to Kastoria (KSO)

View $136 flight on Tue, Jul 8, 2025Opens in a new window

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Cheap Flights from Athens to Kastoria (ATH-KSO)

Prices were available within the past 7 days and start at $136 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SKY express
Tue, Jun 17 - Thu, Jun 19
ATH
Athens
KSO
Kastoria
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select SKY express flight, departing Tue, Jun 17 from Athens to Kastoria, returning Thu, Jun 19, priced at $240 found 1 day ago
SKY express
Thu, Aug 28 - Sun, Aug 31
ATH
Athens
KSO
Kastoria
$240 Roundtrip, found 5 days ago
$240
Roundtrip
found 5 days ago
Select SKY express flight, departing Thu, Aug 28 from Athens to Kastoria, returning Sun, Aug 31, priced at $240 found 5 days ago
SKY express
Thu, Sep 18 - Sun, Sep 21
ATH
Athens
KSO
Kastoria
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select SKY express flight, departing Thu, Sep 18 from Athens to Kastoria, returning Sun, Sep 21, priced at $253 found 6 days ago
SKY express
Thu, Aug 28 - Sun, Aug 31
ATH
Athens
KSO
Kastoria
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select SKY express flight, departing Thu, Aug 28 from Athens to Kastoria, returning Sun, Aug 31, priced at $254 found 5 days ago
Flights from Athens (ATH) to Kastoria (KSO)
Origin airport
Eleftherios Venizelos
Destination airport
Aristoteles
Airlines serving
SKY express
Roundtrip price
$239
Distance
225 mi

Athens to Kastoria Flights

The cheapest times to fly from Athens to Kastoria

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 Kastoria are during the month of June. You can find some of the cheapest flights from Athens to Kastoria with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Athens to Kastoria

Sunday is one of the best days to book for cheap flights from Athens to Kastoria: 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 Kastoria

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 Kastoria in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Kastoria 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 Kastoria 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.

Frequently asked questions

How long does it take to fly from Athens International Airport to KSO?
A direct flight with Sky Express takes about 1 hour and 5 minutes. Lock in a seat on the 6:00AM flight from Athens International Airport and come in to land at KSO at 7:05AM. Grab an amazing deal on this and many other routes when you book with Expedia.
Is it cheaper to buy a plane ticket from Eleftherios Venizelos Airport (ATH) to KSO last minute?
When it comes to booking your flights, being organized pays off. While you may be able to score a deal on an Eleftherios Venizelos Airport (ATH) to KSO flight at the last minute, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it’s three to four months.
What airports do you fly into for Árgos Orestikón from Athens?
Kastoria (KSO-Aristoteles), Kozani (KZI-Filippos) and Ioannina National Airport (IOA) are your choices when traveling from Athens to Árgos Orestikón. Around 1 mi south of the heart of Árgos Orestikón, Kastoria (KSO-Aristoteles) is the city’s principal hub. Think about factors like flight arrival and departure times and the distance to your hotel before choosing an airport. Kastoria Lake and Neolithic Lakeside Settlement are two fantastic attractions to check out when you get to your destination.
What are the most popular departure times for flights from AIA Airport to KSO?
The most popular departure times for journeys from Eleftherios Venizelos Airport (ATH) to KSO are between 6:00 AM - 7:00 AM on Sky Express. Our advice is to take off in the morning. The earlier you go, the better your chances of a delay-free flight with lighter air traffic around.
Can I change the date of my flight from Athens International Airport to KSO?
You can quickly make changes to your AIA Airport to KSO flight via the Expedia Trips portal. But before you make any amendments, browse the ticket rules in your itinerary to see what you can do and if any charges apply. Some carriers have a change fee per person, on top of any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also take a look at our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.

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*Available to One Key members.