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$437+ Cheap flights from Washington 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Washington to Finland

Keep the following information in mind while searching for Washington to Finland flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$527
(oojo)

One-way from

$437
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$897

Good round-trip deal

$783 or less

Good one-way deal

$563 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 Washington to Finland
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One-way flight from Washington to Finland
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Highest demand for flights based on searches. 21% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 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 Washington to Finland.
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Price to beat on a one-way flight from Washington to Finland.
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Find flight deals from Washington to Finland

Cheapest flights from Washington to Finland
Explore the most affordable flight options available from Washington to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This oojo deal was found by Cheapflights users on 4/25. 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.
Wed 9/103:20 pmPDX - HEL
1 stop12h 40mIcelandair
Wed 11/192:00 pmHEL - PDX
1 stop13h 00mIcelandair
Deal found 4/25$527
This Ticket deal was found by Cheapflights users on 4/25. 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 5/264:00 pmSEA - HEL
1 stop13h 25mScandinavian Airlines
Wed 6/1111:15 amHEL - SEA
1 stop12h 35mScandinavian Airlines
Deal found 4/25$581
This Finnair deal was found by Cheapflights users on 4/25. 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.
Tue 11/2512:30 pmPDX - HEL
1 stop16h 50mFinnair
Tue 12/94:00 pmHEL - PDX
1 stop16h 19mFinnair
Deal found 4/25$620
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 11/2512:30 pmPDX - HEL
1 stop16h 50mAmerican Airlines
Tue 12/912:30 pmHEL - PDX
2 stops20h 41mAmerican Airlines
Deal found 4/25$630
This oojo deal was found by Cheapflights users on 4/25. 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 5/47:10 pmSEA - HEL
1 stop30h 30mTurkish Airlines
Wed 5/147:35 pmHEL - SEA
1 stop31h 40mTurkish Airlines
Deal found 4/25$640
This FlightHub deal was found by Cheapflights users on 4/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:30 amPDX - HEL
2 stops29h 45mMultiple Airlines
Wed 11/197:00 amHEL - PDX
2 stops21h 24mMultiple Airlines
Deal found 4/25$646
This Air Canada deal was found by Cheapflights users on 4/25. 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 11/257:05 pmPDX - HEL
2 stops35h 45mAir Canada
Tue 12/97:00 amHEL - PDX
3 stops36h 34mAir Canada
Deal found 4/25$687
This British Airways deal was found by Cheapflights users on 4/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:25 amPDX - HEL
2 stops17h 55mBritish Airways
Wed 11/1912:30 pmHEL - PDX
1 stop18h 31mBritish Airways
Deal found 4/25$717
This oojo deal was found by Cheapflights users on 4/25. 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 4/25$730
This Mytrip deal was found by Cheapflights users on 4/25. 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 6/94:00 pmSEA - HEL
2 stops16h 20mMultiple Airlines
Mon 6/167:05 amHEL - SEA
2 stops16h 45mMultiple Airlines
Deal found 4/25$758
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Mon 9/159:59 amPDX - HEL
2 stops28h 26mUnited Airlines
Mon 11/172:25 pmHEL - PDX
3 stops42h 49mUnited Airlines
Deal found 4/25$775
This Flysmarter deal was found by Cheapflights users on 4/25. 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.
Mon 5/265:40 pmSEA - HEL
Nonstop9h 30mFinnair
Wed 6/114:20 pmHEL - SEA
Nonstop9h 40mFinnair
Deal found 4/25$817

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 25, 2025.
Use the filters below to find and compare flights from Washington to Finland that are best for you.

Fly from

Washington

Fly to

Finland

Route

Depart

Return

Price

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

3:20 pm-2:00 pm

1 stop12h 40m

Helsinki-Vantaa

Wed 11/19

2:00 pm-5:00 pm

1 stop13h 00m

$527

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/26

4:00 pm-3:25 pm

1 stop13h 25m

Helsinki-Vantaa

Wed 6/11

11:15 am-1:50 pm

1 stop12h 35m

$581

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

8:30 am-12:15 am

2 stops29h 45m

Helsinki-Vantaa

Wed 11/19

7:00 am-6:24 pm

2 stops21h 24m

$646

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 8/8

7:10 pm-11:40 am

1 stop30h 30m

Helsinki-Vantaa

Sun 8/24

12:35 pm-5:15 pm

1 stop38h 40m

$714

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

10:25 am-2:20 pm

2 stops17h 55m

Helsinki-Vantaa

Wed 11/19

12:30 pm-9:01 pm

1 stop18h 31m

$717

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 9/15

7:40 pm-6:55 pm

2 stops37h 15m

Helsinki-Vantaa

Mon 11/17

12:45 pm-9:34 am

2 stops54h 49m

$745

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/6

11:30 pm-11:20 am

2 stops25h 50m

Helsinki-Vantaa

Fri 8/22

12:00 pm-8:40 pm

2 stops18h 40m

$745

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 6/9

4:00 pm-6:20 pm

2 stops16h 20m

Helsinki-Vantaa

Mon 6/16

7:05 am-1:50 pm

2 stops16h 45m

$758

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 9/15

9:59 am-12:25 am

2 stops28h 26m

Helsinki-Vantaa

Mon 11/17

2:25 pm-11:14 pm

3 stops42h 49m

$775

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

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 42 results
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Best time to book a flight from Washington to Finland

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

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

Currently, November is the cheapest month in which you can book a flight from State of Washington to Finland (average of $444). Flying from State of Washington to Finland in June is currently the most expensive (average of $1,123). 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 WA to FI?

Find hourly flight availability from Washington 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 25, 2025.

When flying from State of Washington to Finland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 25, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM from Washington to Finland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.
Alaska Airlines
8.0
Very good
9,928 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
850 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 Washington to Finland. 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 State of Washington to Finland flight route?

    This flight path from Washington to Finland was viewed by 5 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 to fly from State of Washington to Finland one-way?

    $508 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on American Airlines and Icelandair, with prices starting from $608 and $659, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Finland (average of $444). Flying from State of Washington to Finland in June is currently the most expensive (average of $1,123). 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 Washington to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Washington to Finland

Discover the top 7 airlines that operate flights from Washington 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$481Average$883FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$549Average$962FlexibilityNo cancel feeOn-time76%
FinnairCheapest$559Average$1,073FlexibilityNo 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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