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Cheap flights from Helsinki to Washington from $410

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 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Helsinki to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 am - 5:00 pm
HEL
-
SEA
21h 30m3 stops
Multiple Airlines Logo
2:35 pm - 10:25 am
SEA
-
HEL
33h 50m3 stops
$687Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
9:00 am - 5:00 pm
HEL
-
SEA
18h 00m2 stops
Multiple Airlines Logo
2:35 pm - 10:25 am
SEA
-
HEL
33h 50m3 stops
$697Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
9:20 pm - 5:00 pm
HEL
-
SEA
29h 40m3 stops
Multiple Airlines Logo
2:35 pm - 1:35 am
SEA
-
HEL
25h 00m3 stops
$707Multiple Airlines
Mon, Feb 2 - Mon, Feb 16
Turkish Airlines Logo
7:00 pm - 5:05 pm
HEL
-
SEA
32h 05m1 stop
Turkish Airlines Logo
7:00 pm - 6:05 pm
SEA
-
HEL
37h 05m1 stop
$786Turkish Airlines
Mon, Jan 19 - Mon, Feb 2
Turkish Airlines Logo
12:10 pm - 5:15 pm
HEL
-
SEA
39h 05m1 stop
Turkish Airlines Logo
7:10 pm - 6:35 pm
SEA
-
HEL
37h 25m1 stop
$822Turkish Airlines
Sat, May 2 - Tue, May 5
Icelandair Logo
1:55 pm - 5:00 pm
HEL
-
SEA
13h 05m1 stop
Icelandair Logo
2:35 pm - 12:55 pm
SEA
-
HEL
12h 20m1 stop
$824Icelandair
Mon, Feb 2 - Mon, Feb 16
Air France Logo
6:20 pm - 11:25 am
HEL
-
PDX
27h 05m1 stop
Air France Logo
1:25 pm - 1:10 pm
PDX
-
HEL
13h 45m1 stop
$940Air France
Thu, Jan 15 - Wed, Jan 21
Icelandair Logo
11:40 am - 6:00 pm
HEL
-
PDX
16h 20m2 stops
Icelandair Logo
3:45 pm - 2:00 pm
PDX
-
HEL
36h 15m2 stops
$949Icelandair
Wed, Apr 22 - Sun, Apr 26
KLM Logo
7:00 am - 6:50 pm
HEL
-
PDX
21h 50m2 stops
KLM Logo
11:59 am - 5:25 pm
PDX
-
HEL
19h 26m2 stops
$952KLM
Thu, Feb 5 - Sun, Feb 8
KLM Logo
7:00 am - 11:25 am
HEL
-
PDX
14h 25m1 stop
KLM Logo
1:25 pm - 5:25 pm
PDX
-
HEL
18h 00m1 stop
$956KLM
Fri, Feb 6 - Sun, Feb 8

Turkish Airlines flights from Helsinki to State of Washington

Our best Turkish Airlines deals on Helsinki to State of Washington flight tickets
Turkish Airlines
Jan 19
HEL7:00 pmHelsinki-Vantaa
32h 05m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Feb 2
SEA7:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
$786
Find similar
Turkish Airlines
May 2
HEL12:10 pmHelsinki-Vantaa
39h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
May 5
SEA7:10 pmSeattle/Tacoma Intl
37h 25m
1 stop
HEL6:35 pmHelsinki-Vantaa
$822
Find similar
Turkish Airlines
May 2
HEL7:30 pmHelsinki-Vantaa
31h 45m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
May 5
SEA7:10 pmSeattle/Tacoma Intl
37h 25m
1 stop
HEL6:35 pmHelsinki-Vantaa
$823
Find similar

Icelandair flights from Helsinki to State of Washington

Our best Icelandair deals on Helsinki to State of Washington flight tickets
Icelandair
Feb 2
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 16
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
$824
Find similar
Icelandair
Jan 19
HEL1:55 pmHelsinki-Vantaa
16h 44m
2 stops
SEA8:39 pmSeattle/Tacoma Intl
Feb 2
SEA8:55 amSeattle/Tacoma Intl
18h 00m
2 stops
HEL12:55 pmHelsinki-Vantaa
$886
Find similar
Icelandair
May 2
HEL11:40 amHelsinki-Vantaa
16h 15m
2 stops
SEA5:55 pmSeattle/Tacoma Intl
May 5
SEA3:40 pmSeattle/Tacoma Intl
17h 00m
2 stops
HEL6:40 pmHelsinki-Vantaa
$896
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 December 21, 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 2/5

5:30 am-5:00 pm

3 stops21h 30m

Seattle/Tacoma Intl

Sun 2/8

2:35 pm-10:25 am

3 stops33h 50m

$687

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 2/5

9:00 am-5:00 pm

2 stops18h 00m

Seattle/Tacoma Intl

Sun 2/8

2:35 pm-10:25 am

3 stops33h 50m

$697

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 2/2

9:20 pm-5:00 pm

3 stops29h 40m

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-1:35 am

3 stops25h 00m

$707

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 1/19

7:00 pm-5:05 pm

1 stop32h 05m

Seattle/Tacoma Intl

Mon 2/2

7:00 pm-6:05 pm

1 stop37h 05m

$786

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 5/2

12:10 pm-5:15 pm

1 stop39h 05m

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-6:35 pm

1 stop37h 25m

$822

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 2/2

1:55 pm-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-12:55 pm

1 stop12h 20m

$824

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 1/15

6:20 pm-11:25 am

1 stop27h 05m

Portland

Wed 1/21

1:25 pm-1:10 pm

1 stop13h 45m

$940

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Wed 4/22

11:40 am-6:00 pm

2 stops16h 20m

Portland

Sun 4/26

3:45 pm-2:00 pm

2 stops36h 15m

$949

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 2/5

7:00 am-6:50 pm

2 stops21h 50m

Portland

Sun 2/8

11:59 am-5:25 pm

2 stops19h 26m

$952

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Fri 2/6

7:00 am-11:25 am

1 stop14h 25m

Portland

Sun 2/8

1:25 pm-5:25 pm

1 stop18h 00m

$956

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 $731. If you aren’t able to travel to State of Washington during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $759.

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 Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $862. 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 $868 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 $779 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 11% 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

Fastest flight time

15h 54m

Direct flights

None
The fastest flight from Helsinki to State of Washington takes 15h 54m
There are no direct flights from Helsinki to State of Washington. There are no popular flight routes from Helsinki to State of Washington.
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
592 reviews
Search Icelandair flights
FinnairPriceFrom $690Free CancellationRating
7.6
1,339 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.

An easier way to manage your State of Washington trip

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