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Cheap flights from Helsinki to Washington from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Washington departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Helsinki to Washington

Cheap round-trip flights

Logo
7:05 am - 5:50 pmHEL-SEA
20h 45m2 stops
Logo
7:00 pm - 11:05 pmSEA-HEL
18h 05m2 stops
$511
Find Deal
Thu, Sep 11 - Thu, Sep 18
Turkish Airlines Logo
12:35 pm - 5:15 pmHEL-SEA
38h 40m1 stop
Turkish Airlines Logo
8:00 pm - 6:05 pmSEA-HEL
37h 05m1 stop
$761Turkish Airlines
Find Deal
Sat, Oct 18 - Sat, Nov 1
Logo
5:35 am - 5:50 pmHEL-SEA
22h 15m3 stops
Logo
3:45 pm - 12:20 amSEA-HEL
22h 35m3 stops
$765
Find Deal
Thu, Sep 11 - Thu, Sep 18
Icelandair Logo
1:55 pm - 6:00 pmHEL-SEA
13h 05m1 stop
Icelandair Logo
2:35 pm - 12:55 pmSEA-HEL
12h 20m1 stop
$795Icelandair
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Sat, Nov 1 - Fri, Nov 7
Icelandair Logo
10:50 am - 6:00 pmHEL-SEA
16h 10m2 stops
Icelandair Logo
2:35 pm - 7:45 pmSEA-HEL
19h 10m2 stops
$799Icelandair
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Sat, Nov 1 - Fri, Nov 7
Air France Logo
6:40 am - 5:35 pmHEL-SEA
20h 55m1 stop
Air France Logo
6:45 pm - 11:20 pmSEA-HEL
18h 35m1 stop
$821Air France
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Thu, Aug 21 - Fri, Sep 5
Delta Logo
6:30 am - 12:25 pmHEL-SEA
14h 55m1 stop
Delta Logo
11:43 am - 4:25 pmSEA-HEL
18h 42m2 stops
$822Delta
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Sat, Nov 1 - Fri, Nov 7
Delta Logo
6:40 am - 11:15 amHEL-SEA
14h 35m1 stop
Delta Logo
7:10 am - 1:00 pmSEA-HEL
19h 50m2 stops
$824Delta
Find Deal
Sun, Sep 14 - Sun, Sep 21
Air France Logo
7:00 am - 4:05 pmHEL-SEA
19h 05m1 stop
Air France Logo
7:50 am - 1:00 pmSEA-HEL
19h 10m2 stops
$827Air France
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Mon, Sep 15 - Mon, Sep 29
Finnair Logo
4:00 pm - 11:26 pmHEL-PDX
17h 26m1 stop
Finnair Logo
8:31 am - 3:20 pmPDX-HEL
20h 49m1 stop
$895Finnair
Find Deal
Sat, Aug 30 - Thu, Sep 4

Air France flights from Helsinki to State of Washington

Our best Air France deals on Helsinki to State of Washington flight tickets
Air France
Aug 21
HEL6:40 amHelsinki-Vantaa
20h 55m
1 stop
SEA5:35 pmSeattle/Tacoma Intl
Sep 5
SEA6:45 pmSeattle/Tacoma Intl
18h 35m
1 stop
HEL11:20 pmHelsinki-Vantaa
$821
Find similar
Air France
Sep 15
HEL7:00 amHelsinki-Vantaa
19h 05m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Sep 29
SEA7:50 amSeattle/Tacoma Intl
19h 10m
2 stops
HEL1:00 pmHelsinki-Vantaa
$827
Find similar
Air France
Aug 17
HEL7:00 amHelsinki-Vantaa
14h 00m
1 stop
PDX11:00 amPortland
Aug 23
PDX1:15 pmPortland
25h 05m
1 stop
HEL12:20 amHelsinki-Vantaa
$858
Find similar

Turkish Airlines flights from Helsinki to State of Washington

Our best Turkish Airlines deals on Helsinki to State of Washington flight tickets
Turkish Airlines
Oct 18
HEL12:35 pmHelsinki-Vantaa
38h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Nov 1
SEA8:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
$761
Find similar
Turkish Airlines
Oct 18
HEL12:35 pmHelsinki-Vantaa
38h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Nov 1
SEA8:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
$766
Find similar
Turkish Airlines
Sep 15
HEL12:35 pmHelsinki-Vantaa
32h 00m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Sep 29
SEA7:10 pmSeattle/Tacoma Intl
37h 30m
1 stop
HEL6:40 pmHelsinki-Vantaa
$767
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to State of 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Helsinki to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 9/11

7:05 am-5:50 pm

2 stops20h 45m

Seattle/Tacoma Intl

Thu 9/18

7:00 pm-11:05 pm

2 stops18h 05m

$511

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 10/18

12:35 pm-5:15 pm

1 stop38h 40m

Seattle/Tacoma Intl

Sat 11/1

8:00 pm-6:05 pm

1 stop37h 05m

$761

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 9/11

5:35 am-5:50 pm

3 stops22h 15m

Seattle/Tacoma Intl

Thu 9/18

3:45 pm-12:20 am

3 stops22h 35m

$765

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 11/1

1:55 pm-6:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Fri 11/7

2:35 pm-12:55 pm

1 stop12h 20m

$795

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 11/1

10:50 am-6:00 pm

2 stops16h 10m

Seattle/Tacoma Intl

Fri 11/7

2:35 pm-7:45 pm

2 stops19h 10m

$799

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 8/21

6:40 am-5:35 pm

1 stop20h 55m

Seattle/Tacoma Intl

Fri 9/5

6:45 pm-11:20 pm

1 stop18h 35m

$821

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 11/1

6:30 am-12:25 pm

1 stop14h 55m

Seattle/Tacoma Intl

Fri 11/7

11:43 am-4:25 pm

2 stops18h 42m

$822

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sun 9/14

6:40 am-11:15 am

1 stop14h 35m

Seattle/Tacoma Intl

Sun 9/21

7:10 am-1:00 pm

2 stops19h 50m

$824

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 9/15

7:00 am-4:05 pm

1 stop19h 05m

Seattle/Tacoma Intl

Mon 9/29

7:50 am-1:00 pm

2 stops19h 10m

$827

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Sat 8/30

4:00 pm-11:26 pm

1 stop17h 26m

Portland

Thu 9/4

8:31 am-3:20 pm

1 stop20h 49m

$895

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Helsinki to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Helsinki, with most prices found around $733. If you aren’t able to travel to State of Washington during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $764.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Helsinki to State of Washington is on a Monday. Travelers who choose to depart for State of Washington on a Monday will often find tickets for as low as $908. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to State of Washington for around $1,051.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $761. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $948 on average. Flights to State of Washington from Helsinki in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Helsinki-Vantaa to Washington flight route?

Fly from Helsinki-Vantaa to Seattle/Tacoma Intl for the best Helsinki-Vantaa - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $828 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Helsinki for as low as $741 on momondo.

What cabin class options are available on Helsinki-Vantaa to Washington flights?

There are 3 cabin classes available to choose from on Helsinki-Vantaa to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helsinki to State of Washington flights?

You could potentially save up to 9% on your flight if you consider stops on a Helsinki to State of Washington flight.

Cheap Helsinki to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helsinki to State of Washington

Best Price Found

$444

Fastest flight time

9h 40m

Direct flights

Mon and Tue

Airports in State of Washington

3 airports
The best one-way flight to State of Washington from Helsinki in the past 72 hours is $444. The best round-trip flight deal from Helsinki to State of Washington found on momondo in the last 72 hours is $511.
The fastest flight from Helsinki to State of Washington takes 9h 40m
Direct flights go from Helsinki to State of Washington on Monday and Tuesday. Airlines offering direct flights are: Finnair, Iberia and British Airways.
There are 3 airports near State of Washington: Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)
Search flight deals

  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Washington?

    Prices for flights from Helsinki-Vantaa Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Helsinki-Vantaa Airport to Washington?

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helsinki-Vantaa Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Helsinki to State of Washington?

Best airlines flying from Helsinki to State of Washington

Compare and see reviews for airlines that fly from Helsinki to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $504Free CancellationRating
7.0
520 reviews
Search Icelandair flights
FinnairPriceFrom $595Free CancellationRating
7.6
1,316 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Washington?

It is quick and easy to find Helsinki to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

Can I find flights from Helsinki to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helsinki to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Helsinki to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helsinki to Washington.

I’m not ready to book a flight from Helsinki to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helsinki to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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