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$296+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap 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 May 18, 2026.

This Mytrip deal was found by Cheapflights users on 5/14. 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.
Thu 8/138:00 am
SEA
-
HEL
2 stops28h 35m
Multiple Airlines
Thu 8/207:05 am
HEL
-
SEA
2 stops24h 02m
Multiple Airlines
Deal found 5/14$659
This Mytrip deal was found by Cheapflights users on 5/13. 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.
Wed 8/267:00 pm
SEA
-
HEL
3 stops34h 00m
Multiple Airlines
Wed 9/25:30 am
HEL
-
SEA
3 stops25h 10m
Multiple Airlines
Deal found 5/13$780
This Trip.com deal was found by Cheapflights users on 5/18. 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.
Sat 8/293:40 pm
SEA
-
HEL
3 stops23h 00m
Multiple Airlines
Sat 9/195:30 am
HEL
-
SEA
3 stops25h 10m
Multiple Airlines
Deal found 5/18$802
This Mytrip deal was found by Cheapflights users on 5/15. 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.
Sun 5/313:40 pm
SEA
-
HEL
2 stops16h 40m
Multiple Airlines
Sat 6/67:15 am
HEL
-
SEA
2 stops23h 25m
Multiple Airlines
Deal found 5/15$807
This oojo deal was found by Cheapflights users on 5/16. 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 9/13:40 pm
SEA
-
HEL
2 stops17h 00m
Icelandair
Tue 9/1511:40 am
HEL
-
SEA
2 stops19h 00m
Icelandair
Deal found 5/16$822
This Mytrip deal was found by Cheapflights users on 5/15. 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 6/17:00 pm
SEA
-
HEL
2 stops34h 20m
Multiple Airlines
Sat 6/1311:30 pm
HEL
-
SEA
1 stop22h 15m
Multiple Airlines
Deal found 5/15$830
This Trip.com deal was found by Cheapflights users on 5/14. 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.
Sun 5/317:00 pm
SEA
-
HEL
2 stops20h 30m
Multiple Airlines
Tue 6/166:10 am
HEL
-
SEA
2 stops24h 30m
Multiple Airlines
Deal found 5/14$831
This SmartFares deal was found by Cheapflights users on 5/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:15 pm
SEA
-
OUL
2 stops32h 20m
Turkish Airlines
Tue 10/67:55 am
OUL
-
SEA
2 stops43h 25m
Turkish Airlines
Deal found 5/18$1,090
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Tue 6/26:05 pm
SEA
-
OUL
3 stops21h 20m
Multiple Airlines
Sat 6/65:00 am
OUL
-
SEA
3 stops21h 00m
Multiple Airlines
Deal found 5/18$1,180
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Tue 9/156:50 pm
SEA
-
OUL
3 stops20h 35m
Multiple Airlines
Tue 10/65:00 am
OUL
-
SEA
3 stops22h 10m
Multiple Airlines
Deal found 5/18$1,673
This Flightnetwork deal was found by Cheapflights users on 5/18. 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.
Tue 6/25:40 pm
SEA
-
OUL
1 stop11h 50m
Finnair
Sat 6/65:35 pm
OUL
-
SEA
1 stop32h 25m
Finnair
Deal found 5/18$2,690

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$659
(Mytrip)

One-way from

$296
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,081

Good round-trip deal

$1,086 or less

Good one-way deal

$419 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. 22% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 18, 2026.
Use the filters below to find and compare flights from Seattle to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 9/26

7:15 pm-11:55 pm

1 stop18h 40m

Helsinki-Vantaa

Thu 10/15

8:20 am-5:20 pm

1 stop19h 00m

$928

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/1

7:15 pm-11:10 am

1 stop29h 55m

Helsinki-Vantaa

Tue 9/15

8:20 am-5:20 pm

1 stop19h 00m

$933
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 7/28

3:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Tue 8/4

11:40 am-5:55 pm

2 stops16h 15m

$984

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/22

7:20 am-4:40 pm

2 stops23h 20m

Helsinki-Vantaa

Wed 10/14

1:55 pm-11:52 am

1 stop31h 57m

$1,026

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/29

7:15 pm-11:55 pm

1 stop18h 40m

Helsinki-Vantaa

Thu 10/1

12:05 pm-5:20 pm

1 stop39h 15m

$1,038

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 7/5

3:55 pm-8:55 am

2 stops31h 00m

Helsinki-Vantaa

Tue 7/21

6:35 am-1:45 pm

1 stop17h 10m

$1,043

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 7/27

7:15 pm-6:40 pm

1 stop37h 25m

Helsinki-Vantaa

Mon 8/10

12:05 pm-5:20 pm

1 stop39h 15m

$1,074

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 9/15

7:15 pm-1:35 pm

2 stops32h 20m

Oulu

Tue 10/6

7:55 am-5:20 pm

2 stops43h 25m

$1,090

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 11/10

7:20 am-10:35 am

2 stops17h 15m

Helsinki-Vantaa

Tue 11/17

7:00 am-7:05 pm

3 stops22h 05m

$1,091

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 6/2

6:05 pm-1:25 am

3 stops21h 20m

Oulu

Sat 6/6

5:00 am-4:00 pm

3 stops21h 00m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

How far ahead should I book a flight from Seattle to Finland?

To ensure you get the cheapest price possible for a flight from Seattle to Finland, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Finland (average of $291). Flying from Seattle to Finland in July is currently the most expensive (average of $643). 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 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 May 18, 2026.
See what other customers who have flown with KLM,Finnair, andScandinavian 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.
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Finnair
7.7
Good
1,396 reviews
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Scandinavian Airlines
7.4
Good
1,781 reviews
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
656 reviews
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,986 reviews
KLM
7.8
Good
1,517 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 12h 20m. Turkish Airlines provides one of the quickest options available for as low as $984. The distance between Seattle and Finland is about 4764 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Finland one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $264. However, be on the lookout for offers from Finnair and Icelandair, as they are both options that can get you from Seattle to Finland for a low price.

  • What are the cheapest flights from Seattle to Finland?

    While on average a flight from Seattle to Finland is generally $1,509, our data shows the cheapest flight currently is $360. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $815 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, January is the cheapest month in which you can book a flight from Seattle to Finland (average of $291). Flying from Seattle to Finland in July is currently the most expensive (average of $643). 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$323Average$548FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$431Average$842FlexibilityNo cancel feeOn-time76%
KLMCheapest$536Average$1,056FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$601Average$1,053FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$725Average$1,148FlexibilityNo cancel feeOn-time70%
FinnairCheapest$786Average$1,149FlexibilityNo cancel feeOn-time76%

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