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$404+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(oojo)

One-way from

$404
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$986

Good round-trip deal

$827 or less

Good one-way deal

$560 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 ($237 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 March 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 March 31, 2025.

This oojo deal was found by Cheapflights users on 3/30. 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.
Sun 6/14:00 pmSEA - HEL
1 stop32h 35mScandinavian Airlines
Mon 6/96:35 amHEL - SEA
1 stop17h 15mScandinavian Airlines
Deal found 3/30$424
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:10 pmSEA - HEL
1 stop30h 30mTurkish Airlines
Fri 5/97:35 pmHEL - SEA
1 stop31h 40mTurkish Airlines
Deal found 3/31$652
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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 4/96:00 amSEA - HEL
2 stops23h 25mMultiple Airlines
Wed 4/2311:15 amHEL - SEA
2 stops20h 26mMultiple Airlines
Deal found 3/30$714
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:35 pmSEA - HEL
1 stop12h 25mIcelandair
Tue 12/92:00 pmHEL - SEA
2 stops17h 50mIcelandair
Deal found 3/30$779
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:40 pmSEA - HEL
Nonstop9h 15mFinnair
Wed 5/144:40 pmHEL - SEA
Nonstop9h 20mFinnair
Deal found 3/30$814
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/91:35 pmSEA - HEL
1 stop14h 40mAmerican Airlines
Wed 4/234:25 pmHEL - SEA
1 stop16h 44mAmerican Airlines
Deal found 3/30$839
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:35 pmSEA - HEL
1 stop36h 05mDelta
Tue 5/131:55 pmHEL - SEA
1 stop31h 45mDelta
Deal found 3/31$866
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Sat 11/223:05 pmSEA - HEL
2 stops41h 35mAir Canada
Mon 12/112:45 pmHEL - SEA
2 stops59h 45mAir Canada
Deal found 3/30$876
This Finnair deal was found by Cheapflights users on 3/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/155:40 pmSEA - OUL
1 stop11h 10mFinnair
Thu 5/227:40 amOUL - SEA
1 stop18h 20mFinnair
Deal found 3/31$1,178
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:45 pmSEA - OUL
2 stops16h 10mMultiple Airlines
Thu 5/227:40 amOUL - SEA
2 stops20h 10mMultiple Airlines
Deal found 3/31$1,287

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 March 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

Sun 6/1

4:00 pm-10:35 am

1 stop32h 35m

Helsinki-Vantaa

Mon 6/9

6:35 am-1:50 pm

1 stop17h 15m

$424

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 4/25

7:10 pm-11:40 am

1 stop30h 30m

Helsinki-Vantaa

Fri 5/9

7:35 pm-5:15 pm

1 stop31h 40m

$652

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/5

3:45 pm-11:35 pm

3 stops21h 50m

Helsinki-Vantaa

Sun 5/11

5:35 am-8:28 pm

3 stops24h 53m

$777

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 5/4

5:40 pm-12:55 pm

Nonstop9h 15m

Helsinki-Vantaa

Wed 5/14

4:40 pm-4:00 pm

Nonstop9h 20m

$814

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 4/25

3:45 pm-2:00 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 4/28

3:00 pm-5:50 pm

1 stop12h 50m

$833

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 5/4

5:40 pm-12:55 pm

Nonstop9h 15m

Helsinki-Vantaa

Wed 5/14

4:25 pm-10:15 am

1 stop27h 50m

$843

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 5/7

6:35 pm-4:40 pm

1 stop36h 05m

Helsinki-Vantaa

Tue 5/13

1:55 pm-11:40 am

1 stop31h 45m

$866

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Thu 5/15

5:40 pm-2:50 pm

1 stop11h 10m

Oulu

Thu 5/22

7:40 am-4:00 pm

1 stop18h 20m

$1,178

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Thu 5/15

3:45 pm-5:55 pm

2 stops16h 10m

Oulu

Thu 5/22

7:40 am-5:50 pm

2 stops20h 10m

$1,287

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 4/30

3:45 pm-11:05 pm

2 stops21h 20m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 19 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, 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 $1,136). 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 March 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.

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 March 31, 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
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
841 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
3,748 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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 Turkish Airlines, with whom users have recently found tickets for as low as $480. However, be on the lookout for offers from Icelandair and Finnair, 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 $2,016, our data shows the cheapest flight currently is $471. When looking at the most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), you can expect to pay $424 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 $1,136). 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 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$482Average$911FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$549Average$962FlexibilityNo cancel feeOn-time76%
FinnairCheapest$559Average$1,083FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$569Average$1,132FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$986FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$1,178FlexibilityNo cancel feeOn-time71%
DeltaCheapest$721Average$1,239FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$771Average$859FlexibilityNo cancel feeOn-time77%
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