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$273+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$620
(oojo)

One-way from

$273
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$929

Good round-trip deal

$776 or less

Good one-way deal

$703 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Helsinki-Vantaa flights.
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From Seattle/Tacoma Intl to Finland
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One-way flight from Seattle/Tacoma Intl to Finland
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Highest demand for flights based on searches. 20% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:00 pmSEA - HEL
1 stop18h 15mScandinavian Airlines
Wed 9/179:05 pmHEL - SEA
2 stops50h 55mScandinavian Airlines
Deal found 4/28$573
This Ticket deal was found by Cheapflights users on 4/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:10 pmSEA - HEL
1 stop30h 30mTurkish Airlines
Wed 6/1112:35 pmHEL - SEA
1 stop38h 40mTurkish Airlines
Deal found 4/28$613
This oojo deal was found by Cheapflights users on 4/29. 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.
Fri 11/142:35 pmSEA - HEL
1 stop12h 25mIcelandair
Fri 11/212:00 pmHEL - SEA
1 stop13h 00mIcelandair
Deal found 4/29$730
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/122:15 pmSEA - HEL
2 stops23h 20mMultiple Airlines
Wed 5/287:15 amHEL - SEA
2 stops19h 44mMultiple Airlines
Deal found 4/29$771
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:40 pmSEA - HEL
Nonstop9h 30mFinnair
Wed 6/114:20 pmHEL - SEA
Nonstop9h 40mFinnair
Deal found 4/28$813
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:30 amSEA - HEL
2 stops27h 25mAir Canada
Tue 8/196:10 amHEL - SEA
2 stops24h 31mAir Canada
Deal found 4/29$859
This United Airlines deal was found by Cheapflights users on 4/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:00 amSEA - HEL
2 stops16h 50mUnited Airlines
Fri 8/221:35 pmHEL - SEA
2 stops41h 06mUnited Airlines
Deal found 4/29$869
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:50 pmSEA - HEL
1 stop19h 00mLufthansa
Wed 5/2112:40 pmHEL - SEA
1 stop14h 19mLufthansa
Deal found 4/28$879
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:40 pmSEA - HEL
Nonstop9h 30mAmerican Airlines
Wed 5/284:25 pmHEL - SEA
1 stop27h 50mAmerican Airlines
Deal found 4/29$943
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Fri 6/137:10 pmSEA - OUL
2 stops59h 45mTurkish Airlines
Fri 6/208:40 amOUL - SEA
2 stops42h 35mTurkish Airlines
Deal found 4/29$1,523
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Fri 6/136:50 pmSEA - OUL
2 stops57h 35mLufthansa
Fri 6/203:20 pmOUL - SEA
3 stops37h 16mLufthansa
Deal found 4/29$1,558
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 6/1311:35 amSEA - OUL
3 stops23h 05mMultiple Airlines
Fri 6/205:50 amOUL - SEA
3 stops24h 38mMultiple Airlines
Deal found 4/29$2,139

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 April 30, 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 5/26

4:00 pm-8:15 pm

1 stop18h 15m

Helsinki-Vantaa

Wed 6/11

7:15 am-1:50 pm

2 stops16h 35m

$594

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/26

7:10 pm-11:40 am

1 stop30h 30m

Helsinki-Vantaa

Wed 6/11

12:35 pm-5:15 pm

1 stop38h 40m

$613

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 5/10

7:00 pm-2:00 pm

1 stop33h 00m

Helsinki-Vantaa

Sun 8/31

3:00 pm-11:25 am

1 stop30h 25m

$770

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/12

2:15 pm-11:35 pm

2 stops23h 20m

Helsinki-Vantaa

Wed 5/28

7:15 am-4:59 pm

2 stops19h 44m

$771

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/26

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Wed 6/11

4:20 pm-4:00 pm

Nonstop9h 40m

$813

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/12

5:30 am-6:55 pm

2 stops27h 25m

Helsinki-Vantaa

Tue 8/19

6:10 am-8:41 pm

2 stops24h 31m

$859

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 5/14

10:00 am-12:50 pm

2 stops16h 50m

Helsinki-Vantaa

Fri 8/22

1:35 pm-8:41 pm

2 stops41h 06m

$869

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/19

2:15 pm-4:40 pm

1 stop16h 25m

Helsinki-Vantaa

Fri 8/22

6:00 am-10:20 pm

2 stops26h 20m

$890

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/12

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Wed 5/28

4:25 pm-10:15 am

1 stop27h 50m

$943

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 5/14

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Sat 5/24

9:05 pm-11:30 am

1 stop24h 25m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 results
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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 $1,085). 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 April 30, 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.

What is the cheapest day to fly from Seattle to Finland?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Finland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Finland flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Finland ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Finland when rainfall is around 1.2 in.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Finland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 April 30, 2025.
Read reviews from past customers who have flown Delta, Finnair and Cathay Pacific from Seattle to Finland. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Cathay Pacific
7.5
Good
852 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 5 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 Delta, with whom users have recently found tickets for as low as $465. 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 cheapest flights from Seattle to Finland?

    While on average a flight from Seattle to Finland is generally $2,074, our data shows the cheapest flight currently is $563. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $573 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 $1,085). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$481Average$872FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$549Average$962FlexibilityNo cancel feeOn-time76%
FinnairCheapest$559Average$1,052FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$569Average$1,205FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$986FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$1,143FlexibilityNo cancel feeOn-time71%
DeltaCheapest$721Average$1,239FlexibilityNo cancel feeOn-timeN/A

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