HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thessaloniki

$804+ Cheap flights from Seattle (SEA) to Thessaloniki (SKG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKG
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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.

Find 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 octubre 29, 2025.

This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:00 pmSEA - SKG
1 stop15h 55mTurkish Airlines
jue. 12/189:30 amSKG - SEA
1 stop17h 35mTurkish Airlines
Deal found 10/27$804
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:35 pmSEA - SKG
3 stops26h 40mMultiple Airlines
jue. 12/189:25 amSKG - SEA
2 stops17h 35mMultiple Airlines
Deal found 10/27$845
This United deal was found by Cheapflights users on 10/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:40 amSEA - SKG
2 stops24h 20mMultiple Airlines
sáb. 1/107:40 amSKG - SEA
1 stop14h 30mMultiple Airlines
Deal found 10/28$961
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:00 pmSEA - SKG
1 stop27h 40mTurkish Airlines
sáb. 1/109:30 amSKG - SEA
1 stop17h 35mTurkish Airlines
Deal found 10/28$1,062
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:00 pmSEA - SKG
1 stop15h 55mTurkish Airlines
jue. 12/189:45 pmSKG - SEA
1 stop29h 20mTurkish Airlines
Deal found 10/28$1,067
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/142:35 pmSEA - SKG
2 stops20h 25mMultiple Airlines
jue. 12/187:40 amSKG - SEA
2 stops19h 20mMultiple Airlines
Deal found 10/28$1,126

Cheap 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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$636
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$794
Provider with most accurate pricing for Seattle/Tacoma Intl-Thessaloniki Makedonia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Thessaloniki Makedonia flights.
Search Deals
From Seattle/Tacoma Intl to Thessaloniki Makedonia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($347 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 octubre 29, 2025.
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

lun. 1/5

7:00 pm-8:40 am

1 stop27h 40m

Thessaloniki Makedonia

mié. 6/10

9:15 pm-5:15 pm

1 stop30h 00m

$804

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

jue. 12/11

7:00 pm-8:55 pm

1 stop15h 55m

Thessaloniki Makedonia

jue. 12/18

9:30 am-5:05 pm

1 stop17h 35m

$804

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

jue. 12/11

2:35 pm-3:15 am

3 stops26h 40m

Thessaloniki Makedonia

jue. 12/18

9:25 am-5:00 pm

2 stops17h 35m

$845

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

dom. 12/14

10:40 am-9:00 pm

2 stops24h 20m

Thessaloniki Makedonia

sáb. 1/10

7:40 am-12:10 pm

1 stop14h 30m

$961

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

lun. 1/5

7:00 pm-12:40 am

2 stops19h 40m

Thessaloniki Makedonia

mié. 6/10

9:15 pm-5:15 pm

1 stop30h 00m

$1,056

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

dom. 12/14

7:00 pm-8:55 pm

1 stop15h 55m

Thessaloniki Makedonia

jue. 12/18

9:45 pm-5:05 pm

1 stop29h 20m

$1,067

SeattleThessaloniki

SEA - SKG

SEASKG

Seattle/Tacoma Intl

dom. 12/14

2:35 pm-9:00 pm

2 stops20h 25m

Thessaloniki Makedonia

jue. 12/18

7:40 am-5:00 pm

2 stops19h 20m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Thessaloniki flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $1,379). 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.

What is the cheapest time of day to fly from SEA to SKG?

Find hourly flight availability from Seattle to Thessaloniki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

It’s optimal to fly from Seattle to Thessaloniki in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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 octubre 29, 2025.
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.
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,031 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,538 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 27h 40m. Fly via Turkish Airlines to get the fastest option. There are 5992 mi between Seattle and Thessaloniki.

  • 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 $777, respectively. Users have found that KLM is 36% 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 $1,379). 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.
Portland to Thessaloniki flights
Spokane to Thessaloniki flights

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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$732FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$690Average$794FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$777Average$826FlexibilityNo 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.