Thessaloniki

$367+ Cheap flights from Seattle (SEA) to Thessaloniki (SKG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKG
feb. 28 — mar. 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Thessaloniki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Thessaloniki

Cheapest flights from Seattle to Thessaloniki
Explore the most affordable flight options available from Seattle to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/67:00 pm
SEA
-
SKG
1 stop15h 55m
Turkish Airlines
jue. 3/199:45 pm
SKG
-
SEA
1 stop29h 20m
Turkish Airlines
Deal found 1/27$590
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/138:00 pm
SEA
-
SKG
1 stop15h 55m
Turkish Airlines
vie. 3/209:30 am
SKG
-
SEA
1 stop17h 35m
Turkish Airlines
Deal found 1/26$636
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/69:50 am
SEA
-
SKG
2 stops25h 30m
KLM
jue. 3/199:00 pm
SKG
-
SEA
1 stop24h 35m
KLM
Deal found 1/28$664
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2410:55 am
SEA
-
SKG
2 stops41h 20m
Multiple Airlines
mar. 3/317:00 pm
SKG
-
SEA
1 stop27h 20m
Multiple Airlines
Deal found 1/27$712
This Turkish Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/47:00 pm
SEA
-
SKG
1 stop27h 40m
Turkish Airlines
dom. 3/89:45 pm
SKG
-
SEA
1 stop29h 20m
Turkish Airlines
Deal found 1/26$713
This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/47:10 pm
SEA
-
SKG
1 stop15h 15m
Turkish Airlines
vie. 4/109:35 am
SKG
-
SEA
1 stop17h 40m
Turkish Airlines
Deal found 1/27$723
This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/248:00 pm
SEA
-
SKG
1 stop27h 40m
Turkish Airlines
sáb. 3/289:45 pm
SKG
-
SEA
1 stop28h 30m
Turkish Airlines
Deal found 1/27$743
This Orbitz deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2410:55 am
SEA
-
SKG
2 stops41h 20m
SWISS
mar. 3/311:20 pm
SKG
-
SEA
2 stops43h 17m
SWISS
Deal found 1/27$746
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/57:10 pm
SEA
-
SKG
1 stop15h 15m
Turkish Airlines
sáb. 5/169:15 pm
SKG
-
SEA
1 stop30h 00m
Turkish Airlines
Deal found 1/26$751

Find flight deals from Seattle to Thessaloniki

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Thessaloniki (SKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590
(Justfly.com)

One-way from

$367
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$1,655
Provider with most accurate pricing for Seattle/Tacoma Intl-Thessaloniki Makedonia flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Thessaloniki Makedonia flights.
From Seattle/Tacoma Intl to Thessaloniki Makedonia
One-way flight from Seattle/Tacoma Intl to Thessaloniki Makedonia
Highest demand for flights based on searches. 33% potential increase in price ($541 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($80 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Thessaloniki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 29, 2026.
Use the filters below to find and compare flights from Seattle to Thessaloniki that are best for you.

Fly from

Seattle

Fly to

Thessaloniki

Route

Depart

Return

Price

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

vie. 3/6

7:00 pm-8:40 am

1 stop27h 40m

Thessaloniki Makedonia

jue. 3/19

9:45 pm-6:05 pm

1 stop29h 20m

$590

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

vie. 3/13

8:00 pm-8:55 pm

1 stop15h 55m

Thessaloniki Makedonia

vie. 3/20

9:30 am-6:05 pm

1 stop17h 35m

$636

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

vie. 3/6

9:50 am-9:20 pm

2 stops25h 30m

Thessaloniki Makedonia

jue. 3/19

9:00 pm-12:35 pm

1 stop24h 35m

$664

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

mar. 3/24

10:55 am-1:15 pm

2 stops41h 20m

Thessaloniki Makedonia

mar. 3/31

7:00 pm-12:20 pm

1 stop27h 20m

$712

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

mié. 3/4

7:00 pm-8:40 am

1 stop27h 40m

Thessaloniki Makedonia

dom. 3/8

9:45 pm-6:05 pm

1 stop29h 20m

$713

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

mar. 3/24

10:55 am-1:15 pm

2 stops41h 20m

Thessaloniki Makedonia

mar. 3/31

1:20 pm-10:37 pm

2 stops43h 17m

$746

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

mar. 5/5

7:10 pm-8:25 pm

1 stop15h 15m

Thessaloniki Makedonia

sáb. 5/16

9:15 pm-5:15 pm

1 stop30h 00m

$751

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

sáb. 4/4

7:10 pm-8:25 pm

1 stop15h 15m

Thessaloniki Makedonia

sáb. 4/11

9:15 pm-5:15 pm

1 stop30h 00m

$770

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

sáb. 4/4

7:10 pm-8:25 pm

1 stop15h 15m

Thessaloniki Makedonia

dom. 4/12

9:35 am-5:15 pm

1 stop17h 40m

$783

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

dom. 7/19

2:10 pm-5:35 pm

2 stops17h 25m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Seattle to Thessaloniki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Thessaloniki in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Thessaloniki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Thessaloniki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Thessaloniki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Thessaloniki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Thessaloniki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Thessaloniki

Have a flexible travel schedule? Discover the best time to fly to Thessaloniki from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Thessaloniki

What is the cheapest month to book a flight from Seattle to Thessaloniki?

Currently, August is the cheapest month in which you can book a flight from Seattle to Thessaloniki (average of $606). Flying from Seattle to Thessaloniki in December is currently the most expensive (average of $1,519). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Thessaloniki

Get insights into the airlines that provide service to Thessaloniki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thessaloniki. Reviews last updated enero 29, 2026.
Read through reviews of airlines operating flights from Seattle to Thessaloniki, such as KLM, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Overall

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Thessaloniki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Seattle to Thessaloniki?

    There are many flights that can get you from Seattle to Thessaloniki in 25h 30m. Fly via Turkish Airlines or KLM to get the fastest option. There are 5992 mi between Seattle and Thessaloniki. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Thessaloniki round-trip?

    Flying on KLM is currently your cheapest option to Thessaloniki, with prices starting at $627. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Turkish Airlines, with the lowest prices starting at $690 and $697, respectively. Users have found that KLM is 42% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Thessaloniki that include hotel bookings?

    Yes. In addition to deals on Seattle to Thessaloniki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Thessaloniki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Thessaloniki.

  • Can I find deals for business class flights from Seattle to Thessaloniki?

    Yes. Cheapflights offers flight deals from Seattle to Thessaloniki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Thessaloniki?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Thessaloniki (average of $606). Flying from Seattle to Thessaloniki in December is currently the most expensive (average of $1,519). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Thessaloniki?

Book flights to Thessaloniki if you plan to visit one of these locations
Nikiti

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Thessaloniki

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seattle to Thessaloniki

Discover the top 3 airlines that operate flights from Seattle to Thessaloniki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$732FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$690Average$794FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$697Average$916FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.