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$459+ Cheap flights from Seattle (SEA) to Helsinki (HEL)

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Helsinki-Vantaa are usually found in January or November, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Helsinki (HEL). 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 noviembre 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$621

Round-trip from

$569
(Scandinavian Airlines)
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.
Search Deals
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 33% potential price drop
Search Deals
Average for round-trip flights in November 2024
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From Seattle/Tacoma Intl to Helsinki-Vantaa
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Find flight deals from Seattle to Helsinki

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

This Flightsearch 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/49:40 amSEA - HEL
2 stops22h 00mScandinavian Airlines
mié. 12/1111:20 amHEL - SEA
2 stops23h 01mScandinavian Airlines
Deal found 11/19$614
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/102:35 pmSEA - HEL
1 stop12h 25mIcelandair
vie. 2/282:00 pmHEL - SEA
1 stop13h 00mIcelandair
Deal found 11/19$711
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.
lun. 12/99:40 amSEA - HEL
2 stops22h 00mMultiple Airlines
lun. 12/1610:50 amHEL - SEA
3 stops20h 57mMultiple Airlines
Deal found 11/19$712
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/202:00 pmSEA - HEL
1 stop16h 50mLufthansa
mié. 11/276:40 amHEL - SEA
1 stop15h 30mLufthansa
Deal found 11/19$823
This United Airlines deal was found by Cheapflights users on 11/20. 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.
mié. 12/42:00 pmSEA - HEL
1 stop16h 50mUnited Airlines
mié. 12/116:40 amHEL - SEA
2 stops25h 30mUnited Airlines
Deal found 11/20$824
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/97:00 pmSEA - HEL
1 stop30h 30mTurkish Airlines
lun. 12/1612:25 pmHEL - SEA
1 stop38h 40mTurkish Airlines
Deal found 11/19$829
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/45:45 amSEA - HEL
2 stops21h 55mAir Canada
mié. 12/1112:45 pmHEL - SEA
3 stops35h 40mAir Canada
Deal found 11/18$830
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/131:45 pmSEA - HEL
2 stops23h 25mBritish Airways
vie. 2/2812:25 pmHEL - SEA
1 stop20h 44mBritish Airways
Deal found 11/19$996
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.
lun. 12/912:45 amSEA - HEL
1 stop24h 05mAmerican Airlines
vie. 2/2812:25 pmHEL - SEA
1 stop18h 56mAmerican Airlines
Deal found 11/19$1,089
This Delta deal was found by Cheapflights users on 11/20. 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.
sáb. 12/2811:55 amSEA - HEL
2 stops19h 30mDelta
sáb. 1/46:30 amHEL - SEA
2 stops20h 24mDelta
Deal found 11/20$2,583
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/135:59 pmSEA - HEL
3 stops43h 01mCathay Pacific
vie. 2/284:00 pmHEL - SEA
3 stops40h 00mCathay Pacific
Deal found 11/19$11,687

Find flights from Seattle to Helsinki within your budget

Customize your flight search to find flights from Seattle to Helsinki 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 noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dom. 1/19

7:30 am-10:40 am

2 stops17h 10m

Helsinki-Vantaa

mié. 3/12

7:10 am-8:55 pm

3 stops22h 45m

$569

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mar. 2/4

11:45 am-10:55 pm

2 stops25h 10m

Helsinki-Vantaa

mar. 3/11

6:20 pm-10:22 pm

2 stops37h 02m

$580

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dom. 1/12

2:35 pm-1:00 pm

1 stop12h 25m

Helsinki-Vantaa

sáb. 1/18

2:00 pm-5:00 pm

1 stop13h 00m

$584

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mar. 1/14

1:35 pm-2:45 pm

1 stop15h 10m

Helsinki-Vantaa

jue. 1/23

4:00 pm-10:43 pm

1 stop16h 43m

$664

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mar. 1/7

6:00 am-3:20 pm

1 stop23h 20m

Helsinki-Vantaa

jue. 1/16

4:00 pm-10:43 pm

1 stop16h 43m

$676

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mié. 3/12

3:00 pm-1:40 pm

1 stop13h 40m

Helsinki-Vantaa

vie. 3/28

6:50 am-9:30 pm

2 stops23h 40m

$688

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mié. 1/8

2:09 pm-12:05 am

1 stop23h 56m

Helsinki-Vantaa

lun. 3/10

6:10 pm-12:40 pm

1 stop27h 30m

$699

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mié. 1/8

7:00 am-4:50 pm

2 stops23h 50m

Helsinki-Vantaa

lun. 3/10

7:25 pm-2:20 pm

1 stop27h 55m

$704

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dom. 3/16

7:05 pm-1:40 pm

2 stops33h 35m

Helsinki-Vantaa

dom. 4/6

6:10 am-10:00 pm

2 stops25h 50m

$730

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

lun. 12/9

7:00 pm-11:30 am

1 stop30h 30m

Helsinki-Vantaa

lun. 12/16

12:25 pm-5:05 pm

1 stop38h 40m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
1
2

Compare providers for flights from Seattle to Helsinki

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 Seattle to Helsinki in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice 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 Seattle-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Helsinki 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 Seattle to Helsinki

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

Travel insights for flights from Seattle to Helsinki

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

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

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

The best time to book flights from Seattle to Helsinki is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Helsinki (average of $441). Flying from Seattle to Helsinki in June is currently the most expensive (average of $1,212). 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 HEL?

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

It’s optimal to fly from Seattle to Helsinki in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Helsinki. Price data was last updated on November 18, 2024.

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

Rainfall in Helsinki by month

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

In terms of precipitation, rainfall in Helsinki 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 Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

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

If weather is an important factor for your trip to Helsinki, 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 Helsinki

Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated noviembre 20, 2024.
Read reviews from past customers who have flown Icelandair, United Airlines and Lufthansa from Seattle to Helsinki. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Finnair
7.7
Good
1,300 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Turkish Airlines
7.4
Good
3,915 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

United Airlines
7.4
Good
9,171 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Scandinavian Airlines
7.3
Good
1,301 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

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

  • How popular is this Seattle to Helsinki flight route?

    This flight path from Seattle/Tacoma Intl to Helsinki-Vantaa was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from Seattle to Helsinki round-trip from $580. Other airlines that can offer you cheap pricing are Icelandair, from $584, and Finnair, from $664. Users have found that Scandinavian Airlines is 36% cheaper than the other options available to this destination.

  • What are the cheapest flights from Seattle to Helsinki?

    The cheapest flight price from Seattle to Helsinki is $559. On average you can expect to pay $1,465. The most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), can usually be booked for $569.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Helsinki (average of $441). Flying from Seattle to Helsinki in June is currently the most expensive (average of $1,212). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Seattle to Helsinki

Discover the top 9 airlines that operate flights from Seattle to Helsinki. 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 noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$470Average$984FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$517Average$1,227FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$520Average$871FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$549Average$901FlexibilityNo cancel feeOn-time76%
FinnairCheapest$559Average$1,096FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$583Average$783FlexibilityNo cancel feeOn-time69%
DeltaCheapest$618Average$986FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$662Average$1,192FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$771Average$1,059FlexibilityNo cancel feeOn-time77%
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