One Way

Popular Filters

One Way Price

SGD 1,350 SGD 6,600

Duration

27 h 10 m 39 h 30 m

Stops From Seattle

Departure From Seattle

6 AM - 12 PM

SGD 1,350

12 PM - 6 PM

SGD 1,379

After 6 PM

SGD 1,360

Arrival at Kastoria

6 AM - 12 PM

SGD 1,350

Alliances & Airlines

Oneworld

()

SkyTeam

()

Star Alliance

(21)

Layover Airports

Layover Duration

13 h 10 m 23 h 0 m

Seattle To Kastoria Flights

Book Seattle to Kastoria flight tickets at lowest price. Get best deals on your upcoming Seattle to Kastoria flights only on MakeMyTrip. Also Book Kastoria to Seattle Flights. Currently 12 flights flying from Seattle to Kastoria. To save maximum on flight booking click on below Fare Calendar button and choose your dates.Avail Zero Cancellation for flight bookings.


Sorted By:
Departure
Duration
Arrival
Price
Price last updated at 18 Jun 2026 21:48:05
United Airlines, Sky Express

SGD 1,350

Seattle to Kastoria , 21 Jun

United Airlines UA | 2618

07:00

Sun, 21 Jun 26

Seattle, United States

04 h 15 m

13:15

Sun, 21 Jun 26

Terminal T1

Chicago, United States

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 422

16:20

Sun, 21 Jun 26

Terminal T1

Chicago, United States

10 h 15 m

10:35

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Lufthansa, Sky Express

SGD 1,360

Seattle to Kastoria , 21 Jun

United Airlines UA | 9413 | Operated By Lufthansa

18:50

Sun, 21 Jun 26

Seattle, United States

09 h 50 m

13:40

Mon, 22 Jun 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 1754

15:10

Mon, 22 Jun 26

Terminal T2

Munich, Germany

02 h 35 m

18:45

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Lufthansa, Sky Express

SGD 1,379

Seattle to Kastoria , 21 Jun

United Airlines UA | 8718 | Operated By Lufthansa

14:10

Sun, 21 Jun 26

Seattle, United States

10 h 10 m

09:20

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 1282

13:40

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

02 h 50 m

17:30

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Lufthansa, Sky Express

SGD 1,383

Seattle to Kastoria , 21 Jun

United Airlines UA | 9413 | Operated By Lufthansa

18:50

Sun, 21 Jun 26

Seattle, United States

09 h 50 m

13:40

Mon, 22 Jun 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 1756

19:30

Mon, 22 Jun 26

Terminal T2

Munich, Germany

02 h 35 m

23:05

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Lufthansa, Sky Express

SGD 1,402

Seattle to Kastoria , 21 Jun

United Airlines UA | 8718 | Operated By Lufthansa

14:10

Sun, 21 Jun 26

Seattle, United States

10 h 10 m

09:20

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 1284

17:10

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

02 h 50 m

21:00

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Sky Express

SGD 2,229

Seattle to Kastoria , 21 Jun

United Airlines UA | 688

08:00

Sun, 21 Jun 26

Seattle, United States

05 h 09 m

16:09

Sun, 21 Jun 26

Washington-Dulles Apt, United States

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 982

17:20

Sun, 21 Jun 26

Washington-Dulles Apt, United States

09 h 40 m

10:00

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Aegean Airlines, Sky Express

SGD 6,575

Seattle to Kastoria , 21 Jun

United Airlines UA | 9413 | Operated By Lufthansa

18:50

Sun, 21 Jun 26

Seattle, United States

09 h 50 m

13:40

Mon, 22 Jun 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

Aegean Airlines A3 | 807

18:30

Mon, 22 Jun 26

Terminal T2

Munich, Germany

02 h 30 m

22:00

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Sky Express

SGD 6,589

Seattle to Kastoria , 21 Jun

United Airlines UA | 8718 | Operated By Lufthansa

14:10

Sun, 21 Jun 26

Seattle, United States

10 h 10 m

09:20

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 861

14:55

Mon, 22 Jun 26

Terminal T2

Frankfurt, Germany

02 h 45 m

18:40

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Aegean Airlines, Sky Express

More Timing Options

SGD 6,592

Seattle to Kastoria , 21 Jun

United Airlines UA | 8718 | Operated By Lufthansa

14:10

Sun, 21 Jun 26

Seattle, United States

10 h 10 m

09:20

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Aegean Airlines A3 | 1632 | Operated By Lufthansa

13:40

Mon, 22 Jun 26

Terminal T1

Frankfurt, Germany

02 h 50 m

17:30

Mon, 22 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

06:00

Tue, 23 Jun 26

Athens, Greece

07:05

Tue, 23 Jun 26

Kozani, Greece

BAGGAGE : CHECK INCABIN

Information not available

Sky Express GQ | 1

07:30

Tue, 23 Jun 26

Kozani, Greece

08:00

Tue, 23 Jun 26

Kastoria, Greece

BAGGAGE : CHECK INCABIN

Information not available

Seattle to Kastoria Flights Information:-

Looking for Seattle to Kastoria Flight? Hereโ€™s all you need to know! For convenience and to save time, pick the airport that is closest to your destination. The nearest airport to Kastoria is Aristotelis and the IATA code for the same is KSO.
Currently, there are 4 airlines operating flights between the two destinations and approximately 12 flights take off from Seattle to Kastoria every week.

Need information on Seattle to Kastoria airfare?

The minimum airfare for a Seattle to Kastoria flight would be 1350, which may go up to 6592 depending on the route, booking time and availability.
It is recommended that you book a round-trip, since it always works out to be more economical.

Flight Details for Seattle to Kastoria

If you are looking for Seattle to Kastoria flights, there is no dearth of options to choose from. Several reputed airlines currently offer both direct and indirect flights between the two destinations. Some of these are Aegean Airlines, Lufthansa, Sky Express, United Airlines. Out of these, only 0 airlines operate direct flights. Indirect flights may involve more travel time, but they usually cost lesser than direct flights.

The number of flights operated by each airline is as follows:Aegean Airlines : 5, Lufthansa : 5, Sky Express : 5, United Airlines : 5

To board the first Seattle to Kastoria flight, choose United Airlines, Sky Express, which departs at 07:00 The last flight for this route is United Airlines, Aegean Airlines, Sky Express, departing at 18:50

Kastoria Airport Information

Aristotelis

About Seattle (SEA)

Located in the state of Washington in the United States of America, Seattle is a city known for its architectural creations, cultural attractions and finest opportunities for recreation activities. Space Needle is an iconic symbol of the city is one of the major attractions of the city that offers stunning views of the city. No trip to Seattle can be considered complete without the inclusion of the Seattle Center on the itinerary. Boasting of several museums, theatres, gardens restaurants, fountains and performance venues, this is the centre of all entertainment activities in the city. Located in the downtown area of the city, Seattle Art Museum is another popular place of tourist interest. Stepping into this museum can give tourists a chance to catch a glimpse of the unique collection of Native American and Mesoamerican artworks on display. Museum of Flight, which beautifully traces the history and evolution of aviation, is also a worth-visiting museum. Olympic Sculpture Park features interesting sculpture creations by renowned artists in its beautifully landscaped gardens, perfect to explore with family and kids. Seattle waterfront is an excellent place to relax and discover the local scene. In short, this city is the perfect place to spend a fun-filled vacation with friends and family. To find the best travel package for this city, look no further MakeMyTrip.

Important Information about Seattle to Kastoria Flight

Lowest Fare to Travel with Date SGD null- 21 Jun
Total flights from Seattle to Kastoria in a week 12 Flights
First Flight United Airlines, Sky Express, departs at 07:00
Last FlightUnited Airlines, Aegean Airlines, Sky Express, departs at 18:50
Non-Stop Flights from Seattle to Kastoria0
Airport Name & codes of Seattle & Kastoria Seattle Airport, Seattle-SEA, Aristotelis,Kastoria-KSO

Seattle Address

Seattle-Tacoma International Airport
17801 International Boulevard
Seattle
Washington
United States
Tel: +1-206-787-3000

About Kastoria (KSO)

Kastoria

Kastoria Address

Frequently Asked Questions - Seattle to Kastoria Flights

Is there a way to make flexible departure date bookings for your Seattle to Kastoria flight tickets?

Some travel portals like MakeMyTrip offer flexible departure and arrival booking option with certain air carrier when booking from Seattle to Kastoria. You can check the flexible booking flight options once you get the results filters based on your search and make the booking accordingly. Please note, some airlines make charge extra for flexible travel dates.

Can I cancel my ticket from Seattle to Kastoria without cancellation charges?

To avoid cancellation charges on your air tickets, you need to make a selection at the time of booking for ZERO cancellation. Please note, the zero cancellation facility is chargeable with minimum amount and can help you save a lot at the time sudden cancellations.

Can I find cheap accommodation near to airport when travelling from Seattle to Kastoria?

There are several accommodation options available near the Aristotelis. You can check for both budget friendly and well as five star accommodation near the airport depending on your requirement and budget. These hotels are mostly suitable for business travellers.

Is passport mandatory to travel from Seattle to Kastoria?

When making an international trip, passport is mandatory as it defines your identity to the other nation officials. The VISA norms may differ from country to country, which means some would allow Visa on arrival and others may require you to obtain visa in advance. But the availability of passport is mandatory at the time of departure and arrival as well.

Which airlines offer cheapest airfare from Seattle to Kastoria?

There is no set pricing for airlines to offer cheap flight fare from Seattle to Kastoria. These fares are mostly decided on the basis of algorithms followed by air carriers to final the prizing based on demand. However, some multiple route flights with stop-overs offer cheap flights as compared to direct flight departing from Seattle to Kastoria.

How do MakeMyTrip finds the lowest available dare for flights from Seattle to Kastoria?

MakeMyTrip is a popular travel portal that also works as a travel search engine that allows you to see best available results for your flight search. Every time you make search for flights to any destination, the MMT algorithm picks all the available air carriers for the route and filter rates basis on the cheapest fare available in their system. At MMT, you can not only search flights on the basis of the fare, but you can also see which flight offers direct route, which has multiple stop-overs, baggage allowance, in-flight meal options, cancellation policy, etc. You can also check available discounts offered by payments partners and air carriers when booking the flight.

What is the best time to book cheap flight tickets from Seattle to Kastoria?

To get cheap flight tickets from Seattle to Kastoria, the best time would be to plan your trip during the off season. At that time the flight tickets are usually cheaper than the peak season and the accommodation booking is also available at the affordable price. The other way of booking cheap flight tickets from Seattle (SEA) to Kastoria (KSO) is to book atleast 4 weeks in advance before your departure date to get competitive pricing on your tickets even during the peak season.