$137 Cheap Flights from Athens (ATH) to Kastoria (KSO)

View $137 flight on Tue, Aug 5, 2025Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Kastoria (KSO-Aristoteles)

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Cheap Flights from Athens to Kastoria (ATH-KSO)

Prices were available within the past 7 days and start at $137 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Athens (ATH) to Kastoria (KSO)
Origin airport
Eleftherios Venizelos
Destination airport
Aristoteles
Airlines serving
SKY express
Distance
225 mi
Average flight time
1 hour 32 mins

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 . 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 $137 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 much does a flight from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles) cost?
Cheap round-trip flights from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles) start at $245. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Sky Express flight leaving ATH on August 7 2025 and touching down at KSO. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ATH to KSO?
The cheapest flights from ATH to KSO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
When flying out of Eleftherios Venizelos Airport (ATH), you can hop on a direct flight to Kastoria (KSO-Aristoteles) with Sky Express.
What is the cheapest airline that flies from ATH to KSO?
With prices as low as $126 for a one-way journey from ATH to KSO, Sky Express is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATH on October 2 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
On average, there are 1 nonstop flights flying from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles) each week. If you can't see one that fits your travel plans, consider booking a flight that includes a layover. Customize your search results on Expedia to include one or two stops and select the next best alternative.
What are the most popular departure times for flights from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
Flights between ATH and KSO are their busiest at 8 AM. If you'd like a more relaxed trip and potentially cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from ATH to KSO?
Thursday has the most flights from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles). Consider traveling on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
Eleftherios Venizelos Airport (ATH)'s first flight to Kastoria (KSO-Aristoteles) takes off at approximately 8:00AM UTC+2. With a total flight time of 1h 5m, you'll touch down at around 9:05AM UTC+2.
How long does it take to fly from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
It takes around 1 hour and 5 minutes to cover the 230 mi from ATH to KSO.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
To avoid potential delays on the Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles) last-minute?
Waiting until just before your trip to book your flight from ATH to KSO often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Kastoria (KSO-Aristoteles)?
If you reserved your ATH to KSO flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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