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$428+ Cheap flights from Helsinki (HEL) to Washington

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SEA
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Helsinki to Washington

Cheapest flights from Helsinki to Washington
Explore the most affordable flight options available from Helsinki to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:20 am
HEL
-
SEA
2 stops17h 40m
Multiple Airlines
Wed 3/253:35 pm
SEA
-
HEL
2 stops18h 45m
Multiple Airlines
Deal found 2/12$568
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:30 pm
HEL
-
SEA
1 stop38h 35m
Turkish Airlines
Thu 4/237:10 pm
SEA
-
HEL
1 stop18h 45m
Turkish Airlines
Deal found 2/10$754
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:00 pm
HEL
-
SEA
1 stop32h 05m
Turkish Airlines
Thu 4/237:10 pm
SEA
-
HEL
1 stop18h 45m
Turkish Airlines
Deal found 2/10$755
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:30 pm
HEL
-
SEA
1 stop38h 35m
Turkish Airlines
Wed 3/258:00 pm
SEA
-
HEL
1 stop37h 05m
Turkish Airlines
Deal found 2/10$780
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:20 pm
HEL
-
SEA
2 stops34h 50m
Multiple Airlines
Fri 9/185:40 pm
SEA
-
HEL
Nonstop9h 30m
Multiple Airlines
Deal found 2/13$782
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:30 am
HEL
-
SEA
3 stops35h 45m
Multiple Airlines
Fri 9/255:40 pm
SEA
-
HEL
Nonstop9h 30m
Multiple Airlines
Deal found 2/10$786
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 pm
HEL
-
SEA
1 stop32h 05m
Turkish Airlines
Thu 4/237:10 pm
SEA
-
HEL
1 stop18h 45m
Turkish Airlines
Deal found 2/10$790
This Flysmarter deal was found by Cheapflights users on 2/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:55 pm
HEL
-
PDX
1 stop31h 15m
KLM
Mon 4/61:05 pm
PDX
-
HEL
1 stop18h 35m
KLM
Deal found 2/12$861
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 4/27:00 am
HEL
-
PDX
1 stop14h 10m
Delta
Mon 4/610:42 am
PDX
-
HEL
2 stops20h 58m
Delta
Deal found 2/10$865
This Flysmarter deal was found by Cheapflights users on 2/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:00 am
HEL
-
PDX
2 stops22h 25m
Multiple Airlines
Mon 4/61:05 pm
PDX
-
HEL
1 stop25h 20m
Multiple Airlines
Deal found 2/10$870
This Finnair deal was found by Cheapflights users on 2/10. 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 4/24:25 pm
HEL
-
PDX
1 stop17h 50m
Finnair
Mon 4/66:28 am
PDX
-
HEL
1 stop22h 57m
Finnair
Deal found 2/10$972
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 4/24:25 pm
HEL
-
PDX
1 stop17h 50m
American Airlines
Mon 4/611:46 am
PDX
-
HEL
1 stop16h 29m
American Airlines
Deal found 2/12$973

Find flight deals from Helsinki to Washington

Keep the following information in mind while searching for Helsinki to Washington flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(Trip.com)

One-way from

$428
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$932
Provider with most accurate pricing for Helsinki-Vantaa-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Seattle/Tacoma Intl flights.
Search Deals
From Helsinki-Vantaa to Washington
Search Deals
One-way flight from Helsinki-Vantaa to Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki to Washington 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 February 13, 2026.
Use the filters below to find and compare flights from Helsinki to Washington that are best for you.

Fly from

Helsinki

Fly to

Washington

Route

Depart

Return

Price

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/9

9:20 am-6:00 pm

2 stops17h 40m

Seattle/Tacoma Intl

Wed 3/25

3:35 pm-7:20 pm

2 stops18h 45m

$568

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/9

12:30 pm-6:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Wed 3/25

8:00 pm-6:05 pm

1 stop37h 05m

$797

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sun 5/17

6:45 am-8:40 pm

2 stops23h 55m

Seattle/Tacoma Intl

Thu 5/21

11:25 pm-7:45 pm

2 stops34h 20m

$825

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 3/18

12:30 pm-6:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-6:40 pm

1 stop37h 30m

$827

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Tue 3/17

7:00 pm-6:05 pm

1 stop32h 05m

Seattle/Tacoma Intl

Mon 4/20

7:10 pm-6:40 pm

1 stop37h 30m

$827

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/16

7:00 pm-6:05 pm

1 stop32h 05m

Seattle/Tacoma Intl

Mon 4/20

7:10 pm-11:10 am

1 stop30h 00m

$827

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/30

7:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 4/6

9:38 am-4:40 pm

2 stops21h 02m

$832

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 3/18

12:30 pm-6:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Fri 4/24

7:10 pm-6:40 pm

1 stop37h 30m

$833

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 3/19

12:30 pm-6:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Sun 4/26

7:10 pm-11:10 am

1 stop30h 00m

$833

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 4/2

1:55 pm-11:10 am

1 stop31h 15m

Portland

Mon 4/6

1:05 pm-5:40 pm

1 stop18h 35m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 30 results
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Best time to book a flight from Helsinki to Washington

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

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Washington

What is the cheapest month to book a flight from Helsinki to State of Washington?

Currently, May is the cheapest month in which you can book a flight from Helsinki to State of Washington (average of $498). Flying from Helsinki to State of Washington in January is currently the most expensive (average of $814). 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.

Related info for your journey

Find useful and relevant information for your journey from Helsinki to Washington. 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 Helsinki to Washington?

    Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly out of when you book flights from Helsinki to Washington.

  • How long is the flight from Helsinki to State of Washington?

    Departing from Helsinki to State of Washington will take you 14h 10m. Helsinki and State of Washington are separated by a distance of 4891 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Helsinki to State of Washington?

    The most popular flight routes from Helsinki to State of Washington are Helsinki-Vantaa - Seattle/Tacoma Intl, Helsinki-Vantaa - Portland and Helsinki-Vantaa - Spokane.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helsinki to Washington 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 State of Washington?

    Currently, May is the cheapest month in which you can book a flight from Helsinki to State of Washington (average of $498). Flying from Helsinki to State of Washington in January is currently the most expensive (average of $814). 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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