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$531+ Cheap flights from Seattle (SEA) to Finland

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Seattle to Finland

Best flights from Seattle to Finland
Discover carefully curated flight deals from Seattle to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This lol.travel deal was found by Cheapflights users on 12/22. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/121:30 pmSEA - HEL
2 stops20h 50mScandinavian Airlines
Sun 1/2511:20 amHEL - SEA
2 stops21h 05mScandinavian Airlines
Deal found 12/22$613
This Trip.com deal was found by Cheapflights users on 12/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/512:59 pmSEA - OUL
2 stops18h 16mFinnair
Thu 2/122:20 pmOUL - SEA
2 stops19h 23mFinnair
Deal found 12/22$1,039
This Turkish Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 1/227:00 pmSEA - OUL
2 stops44h 05mTurkish Airlines
Mon 1/263:25 pmOUL - SEA
2 stops59h 40mTurkish Airlines
Deal found 12/20$1,229
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/227:15 amSEA - HEL
2 stops22h 10mScandinavian Airlines
Thu 2/1211:20 amHEL - SEA
2 stops21h 52mScandinavian Airlines
Deal found 12/21$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2211:30 amSEA - HEL
2 stops17h 55mScandinavian Airlines
Mon 2/96:15 amHEL - SEA
2 stops25h 58mScandinavian Airlines
Deal found 12/22$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2111:17 amSEA - HEL
2 stops23h 03mScandinavian Airlines
Sat 2/76:15 amHEL - SEA
2 stops22h 43mScandinavian Airlines
Deal found 12/21$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:10 amSEA - HEL
2 stops22h 15mScandinavian Airlines
Thu 2/1211:20 amHEL - SEA
2 stops21h 02mScandinavian Airlines
Deal found 12/22$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:02 pmSEA - HEL
2 stops25h 33mScandinavian Airlines
Sun 2/811:20 amHEL - SEA
2 stops20h 53mScandinavian Airlines
Deal found 12/21$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3011:30 amSEA - HEL
2 stops17h 55mScandinavian Airlines
Mon 2/96:15 amHEL - SEA
2 stops25h 58mScandinavian Airlines
Deal found 12/21$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:02 pmSEA - HEL
2 stops25h 33mScandinavian Airlines
Wed 1/286:15 amHEL - SEA
2 stops26h 10mScandinavian Airlines
Deal found 12/22$643
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:15 amSEA - HEL
2 stops22h 10mScandinavian Airlines
Sun 2/811:20 amHEL - SEA
2 stops21h 05mScandinavian Airlines
Deal found 12/21$643

Find flight deals from Seattle to Finland

Keep the following information in mind while searching for Seattle to Finland flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$531
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$627

Good round-trip deal

$597 or less

Good one-way deal

$1,097 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Helsinki-Vantaa flights.
Search Deals
From Seattle/Tacoma Intl to Finland
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Finland.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Finland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Finland 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 December 23, 2025.
Use the filters below to find and compare flights from Seattle to Finland that are best for you.

Fly from

Seattle

Fly to

Finland

Route

Depart

Return

Price

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 1/12

1:30 pm-8:20 pm

2 stops20h 50m

Helsinki-Vantaa

Sun 1/25

11:20 am-10:25 pm

2 stops21h 05m

$613

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

7:15 am-3:25 pm

2 stops22h 10m

Helsinki-Vantaa

Thu 2/12

11:20 am-11:12 pm

2 stops21h 52m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

11:30 am-3:25 pm

2 stops17h 55m

Helsinki-Vantaa

Mon 2/9

6:15 am-10:13 pm

2 stops25h 58m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

11:17 am-8:20 pm

2 stops23h 03m

Helsinki-Vantaa

Sat 2/7

6:15 am-6:58 pm

2 stops22h 43m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 1/23

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Thu 2/12

11:20 am-10:22 pm

2 stops21h 02m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

2:02 pm-1:35 am

2 stops25h 33m

Helsinki-Vantaa

Sun 2/8

11:20 am-10:13 pm

2 stops20h 53m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 1/30

11:30 am-3:25 pm

2 stops17h 55m

Helsinki-Vantaa

Mon 2/9

6:15 am-10:13 pm

2 stops25h 58m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

2:02 pm-1:35 am

2 stops25h 33m

Helsinki-Vantaa

Wed 1/28

6:15 am-10:25 pm

2 stops26h 10m

$643

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 1/23

7:15 am-3:25 pm

2 stops22h 10m

Helsinki-Vantaa

Sun 2/8

11:20 am-10:25 pm

2 stops21h 05m

$643

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Thu 2/5

12:59 pm-5:15 pm

2 stops18h 16m

Oulu

Thu 2/12

2:20 pm-11:43 pm

2 stops19h 23m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 16 results
1
2

Best time to book a flight from Seattle to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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 Finland

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Finland (average of $322). Flying from Seattle to Finland in July is currently the most expensive (average of $699). 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 FI?

Find hourly flight availability from Seattle to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Finland in the afternoon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. 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 Finland. Reviews last updated December 23, 2025.
See what other customers who have flown with Finnair, Scandinavian Airlines, and American Airlines from Seattle to Finland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,339 reviews
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Scandinavian Airlines
7.4
Good
1,620 reviews
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,054 reviews
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Icelandair
7.0
Good
592 reviews
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,605 reviews
Finnair
7.6
Good
1,339 reviews

Entertainment

6.9

Crew

8.1

Overall

7.6

Food

6.7

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Finland?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Finland.

  • How popular is this Seattle to Finland flight route?

    Flights from Seattle/Tacoma Intl to Finland have been viewed 1 times in the past calendar month.

  • How long is the flight from Seattle to Finland?

    A quick flight from Seattle to Finland can take about 18h 16m. Scandinavian Airlines provides one of the quickest options available for as low as $1,039. The distance between Seattle and Finland is about 4477 mi. This flight may include one or multiple stops.

  • What are the cheapest flights from Seattle to Finland?

    While on average a flight from Seattle to Finland is generally $915, our data shows the cheapest flight currently is $505. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $531 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Finland 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 Finland?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Finland (average of $322). Flying from Seattle to Finland in July is currently the most expensive (average of $699). 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

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Top 6 airlines flying from Seattle to Finland

Discover the top 6 airlines that operate flights from Seattle to Finland. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$322Average$545FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$424Average$799FlexibilityNo cancel feeOn-time76%
KLMCheapest$536Average$910FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$601Average$1,093FlexibilityNo cancel feeOn-time71%
FinnairCheapest$657Average$975FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$725Average$989FlexibilityNo cancel feeOn-time70%

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