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$321+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$321
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$1,148

Good round-trip deal

$848 or less

Good one-way deal

$454 or less
From Seattle/Tacoma Intl to Finland
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Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Finland.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Finland.
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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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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.
Wed 10/84:20 pmSEA - HEL
1 stop32h 15mScandinavian Airlines
Tue 10/149:00 pmHEL - SEA
1 stop27h 00mScandinavian Airlines
Deal found 7/31$321

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 July 31, 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

Wed 10/8

4:20 pm-10:35 am

1 stop32h 15m

Helsinki-Vantaa

Tue 10/14

9:00 pm-2:00 pm

1 stop27h 00m

$321

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 10/15

7:05 am-12:40 pm

3 stops43h 35m

$342

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/24

4:00 pm-12:05 am

1 stop22h 05m

$487

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/10

3:45 pm-2:00 pm

1 stop12h 15m

$512

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 8/23

7:10 pm-11:40 am

1 stop30h 30m

$515

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/10

5:40 pm-1:10 pm

Nonstop9h 30m

$523

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/17

12:20 am-6:55 pm

2 stops32h 35m

$570

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/21

5:40 pm-1:10 pm

Nonstop9h 30m

$576

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/20

12:46 am-2:15 pm

1 stop27h 29m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, November is the cheapest month in which you can book a flight from Seattle to Finland (average of $444). Flying from Seattle to Finland in June is currently the most expensive (average of $1,081). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Finland as you normally would.

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 July 31, 2025.
See what other customers who have flown with Finnair, United Airlines, and Scandinavian 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
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,900 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.4
Good
1,457 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Turkish Airlines
7.3
Good
3,933 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

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 2 times in the past calendar month.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $487. However, be on the lookout for offers from Icelandair and Turkish Airlines, as they are both options that can get you from Seattle to Finland for a low price.

  • What are the most reliable airlines from Seattle to Finland?

    No one likes to see their flight delayed. When booking a flight from Seattle to Finland consider choosing American Airlines (44%), Alaska Airlines (44%) or Finnair (44%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Finland?

    While on average a flight from Seattle to Finland is generally $911, our data shows the cheapest flight currently is $385. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $322 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, November is the cheapest month in which you can book a flight from Seattle to Finland (average of $444). Flying from Seattle to Finland in June is currently the most expensive (average of $1,081). 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 7 airlines flying from Seattle to Finland

Discover the top 7 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$322Average$404FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$424Average$760FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$549Average$901FlexibilityNo cancel feeOn-time76%
FinnairCheapest$559Average$995FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$569Average$1,093FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$966FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$601Average$1,093FlexibilityNo cancel feeOn-time71%

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