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$341+ Cheap flights from Seattle (SEA) to Finland

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Seattle to Finland

Cheapest flights from Seattle to Finland
Explore the most affordable flight options available from Seattle to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Ticket deal was found by Cheapflights users on 11/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:20 amSEA - HEL
2 stops17h 20mScandinavian Airlines
Wed 12/36:15 amHEL - SEA
2 stops26h 08mScandinavian Airlines
Deal found 11/3$516
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Mon 12/12:35 pmSEA - HEL
2 stops21h 50mMultiple Airlines
Mon 12/83:30 pmHEL - SEA
3 stops35h 30mMultiple Airlines
Deal found 11/2$521
This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:35 pmSEA - HEL
1 stop12h 20mIcelandair
Wed 12/31:55 pmHEL - SEA
1 stop13h 05mIcelandair
Deal found 11/3$637
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:20 amSEA - HEL
2 stops22h 05mScandinavian Airlines
Sat 11/156:15 amHEL - SEA
2 stops26h 10mScandinavian Airlines
Deal found 11/2$648
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:35 pmSEA - HEL
1 stop12h 20mIcelandair
Mon 12/81:55 pmHEL - SEA
1 stop13h 05mIcelandair
Deal found 11/2$649
This oojo deal was found by Cheapflights users on 11/3. 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.
Tue 11/252:35 pmSEA - HEL
2 stops15h 00mMultiple Airlines
Wed 12/34:10 pmHEL - SEA
2 stops34h 50mMultiple Airlines
Deal found 11/3$652
This oojo deal was found by Cheapflights users on 11/3. 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.
Tue 11/252:35 pmSEA - HEL
1 stop12h 20mIcelandair
Wed 12/31:55 pmHEL - SEA
1 stop13h 05mIcelandair
Deal found 11/3$653
This Ticket deal was found by Cheapflights users on 11/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:30 amSEA - HEL
2 stops17h 10mScandinavian Airlines
Sun 11/1611:20 amHEL - SEA
2 stops21h 11mScandinavian Airlines
Deal found 11/3$670

Cheap flight deals from Seattle to Finland

Keep the following information in mind while searching for Seattle to Finland flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$436
(Scandinavian Airlines)

One-way from

$341
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$651

Good round-trip deal

$1,700 or less

Good one-way deal

$744 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
One-way flight from Seattle/Tacoma Intl to Finland
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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.
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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 November 3, 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

Fri 2/27

10:55 am-3:25 pm

2 stops18h 30m

Helsinki-Vantaa

Fri 5/22

11:15 am-1:45 pm

1 stop12h 30m

$529

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Mon 2/9

6:15 am-10:13 pm

2 stops25h 58m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

11:30 am-3:25 pm

2 stops17h 55m

Helsinki-Vantaa

Thu 2/12

11:20 am-10:16 pm

2 stops20h 56m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 2/2

11:30 am-3:25 pm

2 stops17h 55m

Helsinki-Vantaa

Mon 2/9

11:20 am-10:13 pm

2 stops20h 53m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 1/9

11:25 am-8:20 pm

2 stops22h 55m

Helsinki-Vantaa

Sat 1/17

11:20 am-10:25 pm

2 stops21h 05m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/8

7:15 am-3:25 pm

2 stops22h 10m

Helsinki-Vantaa

Sat 1/17

11:20 am-10:25 pm

2 stops21h 05m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 2/3

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Wed 2/11

6:15 am-10:25 pm

2 stops26h 10m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

2:00 pm-8:20 pm

2 stops20h 20m

Helsinki-Vantaa

Tue 5/12

11:15 am-10:17 pm

2 stops21h 02m

$539

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/20

10:55 am-5:55 pm

3 stops21h 00m

Helsinki-Vantaa

Sun 3/1

6:15 am-10:05 pm

2 stops25h 50m

$544

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sat 3/28

1:48 pm-4:40 pm

2 stops17h 52m

Oulu

Wed 4/1

2:15 pm-11:08 pm

2 stops18h 53m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 18 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 $323). Flying from Seattle to Finland in June is currently the most expensive (average of $804). 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 November 3, 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 21% on your trip compared to booking a flight at noon.

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 November 3, 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
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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
1,335 reviews
Finnair
7.6
Good
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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
1,554 reviews
Finnair
7.6
Good
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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
11,033 reviews
Finnair
7.6
Good
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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
7.1
Good
568 reviews
Finnair
7.6
Good
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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
7,494 reviews
Finnair
7.6
Good
1,335 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Crew

8.1

Overall

7.6

Boarding

7.6

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 17h 52m. Scandinavian Airlines provides one of the quickest options available for as low as $1,356. 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 $1,222, our data shows the cheapest flight currently is $673. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $436 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 $323). Flying from Seattle to Finland in June is currently the most expensive (average of $804). 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.

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Top 8 airlines flying from Seattle to Finland

Discover the top 8 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$322Average$546FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$431Average$801FlexibilityNo cancel feeOn-time76%
DeltaCheapest$526Average$1,020FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$536Average$910FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$601Average$1,093FlexibilityNo cancel feeOn-time71%
FinnairCheapest$662Average$1,004FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$721Average$950FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$725Average$1,064FlexibilityNo cancel feeOn-time70%

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