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$646+ Cheap flights from Helsinki (HEL) to Seattle (SEA)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SEA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Helsinki-Vantaa to Seattle/Tacoma Intl are usually found in February or April, booked 88 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Helsinki to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

July

Cheapest in

February

Average price

$821

Round-trip from

$646
(Mytrip)
Provider with most accurate pricing for Helsinki-Vantaa-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Helsinki-Vantaa-Seattle/Tacoma Intl flights.
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 23% potential price drop
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Average for round-trip flights in November 2024
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From Helsinki-Vantaa to Seattle/Tacoma Intl
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Find flight deals from Helsinki to Seattle

Cheapest flights from Helsinki to Seattle
Explore the most affordable flight options available from Helsinki to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Turkish Airlines deal was found by Cheapflights users on 11/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:00 pmHEL - SEA
1 stop32h 05mTurkish Airlines
Tue 5/137:05 pmSEA - HEL
1 stop30h 35mTurkish Airlines
Deal found 11/19$716
This Delta deal was found by Cheapflights users on 11/19. 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.
Sat 12/77:00 amHEL - SEA
1 stop14h 52mDelta
Mon 5/121:35 pmSEA - HEL
1 stop17h 05mDelta
Deal found 11/19$805
This Icelandair deal was found by Cheapflights users on 11/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:00 pmHEL - SEA
1 stop13h 00mIcelandair
Sat 5/103:50 pmSEA - HEL
1 stop12h 10mIcelandair
Deal found 11/19$818
This Finnair deal was found by Cheapflights users on 11/19. 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.
Wed 12/1112:25 pmHEL - SEA
1 stop17h 26mFinnair
Sun 5/111:29 pmSEA - HEL
1 stop14h 46mFinnair
Deal found 11/19$821
This Air France deal was found by Cheapflights users on 11/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:30 amHEL - SEA
1 stop15h 39mAir France
Wed 5/145:30 pmSEA - HEL
1 stop13h 55mAir France
Deal found 11/19$823
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Tue 12/107:00 amHEL - SEA
2 stops25h 10mAir Canada
Tue 5/133:10 pmSEA - HEL
2 stops17h 45mAir Canada
Deal found 11/19$829
This Flightnetwork deal was found by Cheapflights users on 11/19. 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.
Wed 12/412:45 pmHEL - SEA
2 stops33h 25mLufthansa
Sun 12/83:10 pmSEA - HEL
1 stop34h 50mLufthansa
Deal found 11/19$833
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/57:00 amHEL - SEA
1 stop15h 10mUnited Airlines
Wed 5/146:50 pmSEA - HEL
1 stop19h 00mUnited Airlines
Deal found 11/19$834
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/269:25 pmHEL - SEA
1 stop29h 30mMultiple Airlines
Tue 12/36:50 pmSEA - HEL
2 stops27h 25mMultiple Airlines
Deal found 11/19$847
This StudentUniverse deal was found by Cheapflights users on 11/18. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/255:50 pmHEL - SEA
2 stops27h 30mBritish Airways
Mon 12/26:50 pmSEA - HEL
1 stop33h 55mBritish Airways
Deal found 11/18$905
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/44:55 pmHEL - SEA
2 stops29h 51mAmerican Airlines
Sat 12/712:45 amSEA - HEL
1 stop24h 05mAmerican Airlines
Deal found 11/19$1,054
This Scandinavian Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/88:55 pmHEL - SEA
3 stops35h 20mScandinavian Airlines
Sat 5/107:20 amSEA - HEL
2 stops17h 15mScandinavian Airlines
Deal found 11/19$1,098

Find flights from Helsinki to Seattle within your budget

Customize your flight search to find flights from Helsinki to Seattle 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/13

3:30 pm-5:00 pm

3 stops35h 30m

Seattle/Tacoma Intl

Sun 1/26

2:35 pm-10:20 am

3 stops33h 45m

$646

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/13

12:25 pm-5:05 pm

1 stop38h 40m

Seattle/Tacoma Intl

Sun 1/26

7:00 pm-6:05 pm

1 stop37h 05m

$706

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/13

12:00 pm-5:00 pm

2 stops15h 00m

Seattle/Tacoma Intl

Sun 1/26

2:35 pm-3:15 pm

2 stops14h 40m

$713

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/13

7:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Sun 1/26

7:28 am-4:00 pm

2 stops22h 32m

$751

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/13

12:25 pm-8:04 pm

1 stop17h 39m

Seattle/Tacoma Intl

Sun 5/11

5:40 pm-12:55 pm

Nonstop9h 15m

$822

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sun 12/8

6:30 am-12:09 pm

1 stop15h 39m

Seattle/Tacoma Intl

Wed 5/14

5:30 pm-5:25 pm

1 stop13h 55m

$823

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Tue 12/10

7:00 am-10:10 pm

2 stops25h 10m

Seattle/Tacoma Intl

Tue 5/13

3:10 pm-6:55 pm

2 stops17h 45m

$829

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 12/4

12:45 pm-12:10 pm

2 stops33h 25m

Seattle/Tacoma Intl

Sun 12/8

3:10 pm-12:00 pm

1 stop34h 50m

$833

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 12/5

7:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

Wed 5/14

6:50 pm-11:50 pm

1 stop19h 00m

$834

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 12/5

9:25 pm-11:20 am

1 stop23h 55m

Seattle/Tacoma Intl

Mon 5/12

5:40 pm-12:55 pm

Nonstop9h 15m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
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Compare providers for flights from Helsinki to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helsinki to Seattle in November.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helsinki-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Helsinki-Seattle flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Helsinki-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helsinki-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helsinki to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Helsinki 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.

Travel insights for flights from Helsinki to Seattle

Get recent, data-driven insights about flights from Helsinki to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to Seattle. Price data was last updated on November 15, 2024.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Helsinki to Seattle (average of $238). Flying from Helsinki to Seattle in July is currently the most expensive (average of $411). 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 HEL to SEA?

Find hourly flight availability from Helsinki to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s optimal to fly from Helsinki to Seattle at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 20, 2024.
See what other customers who have flown with United Airlines, British Airways and Scandinavian Airlines from Helsinki to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.4
Good
3,915 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Helsinki to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Helsinki to Seattle round-trip?

    Currently priced at $706, Turkish Airlines will fly you from Helsinki to Seattle and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Delta - these airlines can fly you to your destination from $713 and $751, respectively. Turkish Airlines is currently priced 14% below the average price you’ll pay for this route.

  • Can I find deals for flights from Helsinki to Seattle that include hotel bookings?

    Yes. In addition to deals on Helsinki to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helsinki to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helsinki to Seattle.

  • Can I find deals for business class flights from Helsinki to Seattle?

    Yes. Cheapflights offers flight deals from Helsinki to Seattle 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 Helsinki to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Helsinki to Seattle (average of $238). Flying from Helsinki to Seattle in July is currently the most expensive (average of $411). 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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Alternative routes for Helsinki to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Helsinki to Spokane flights

Top 4 airlines flying from Helsinki to Seattle

Discover the top 4 airlines that operate flights from Helsinki to Seattle. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$597Average$844FlexibilityNo cancel feeOn-time76%
DeltaCheapest$603Average$864FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$604Average$905FlexibilityNo cancel feeOn-time77%
FinnairCheapest$838Average$1,093FlexibilityNo cancel feeOn-time76%
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