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 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.

$398 Cheap Flights from Helsinki to Washington in 2026

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Find the cheapest flights from Helsinki to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 8:40 pm

HEL

SEA

23h 55m

2 stops

7:00 pm - 11:10 pm

SEA

HEL

18h 10m

2 stops

$637Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

3:00 pm - 8:40 pm

HEL

SEA

15h 40m

1 stop

3:40 pm - 2:00 pm

SEA

HEL

12h 20m

1 stop

$660Icelandair

Fri, May 15 - Fri, May 29

3:00 pm - 8:40 pm

HEL

SEA

15h 40m

1 stop

7:00 pm - 10:30 pm

SEA

HEL

17h 30m

1 stop

$671Icelandair

Sun, May 10 - Sun, May 24

3:00 pm - 8:40 pm

HEL

SEA

15h 40m

1 stop

7:00 pm - 2:00 pm

SEA

HEL

33h 00m

1 stop

$672Icelandair

Thu, Apr 23 - Thu, Apr 30

3:00 pm - 8:40 pm

HEL

SEA

15h 40m

1 stop

7:00 pm - 2:00 pm

SEA

HEL

33h 00m

1 stop

$674Icelandair

Sun, May 10 - Sun, May 24

7:00 am - 11:42 am

HEL

SEA

14h 42m

1 stop

1:30 pm - 4:40 pm

SEA

HEL

17h 10m

1 stop

$697Delta

Mon, May 11 - Tue, May 26

7:00 am - 11:42 am

HEL

SEA

14h 42m

1 stop

10:35 am - 5:40 pm

SEA

HEL

21h 05m

2 stops

$700Delta

Mon, May 18 - Tue, May 26

6:25 pm - 11:10 am

HEL

PDX

26h 45m

1 stop

11:20 am - 1:05 pm

PDX

HEL

15h 45m

2 stops

$823Air France

Wed, May 13 - Wed, May 20

1:55 pm - 11:10 am

HEL

PDX

31h 15m

1 stop

3:30 pm - 5:40 pm

PDX

HEL

16h 10m

2 stops

$905KLM

Fri, May 15 - Sun, May 24

6:00 am - 9:11 pm

HEL

GEG

25h 11m

2 stops

12:35 pm - 1:35 am

GEG

HEL

27h 00m

2 stops

$1,219Lufthansa

Sun, Apr 12 - Thu, Apr 16

Icelandair flights from Helsinki to State of Washington

Our best Icelandair deals on Helsinki to State of Washington flight tickets

Icelandair

Apr 9

HEL3:00 pmHelsinki-Vantaa

15h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Apr 22

SEA7:00 pmSeattle/Tacoma Intl

33h 00m

1 stop

HEL2:00 pmHelsinki-Vantaa

$647

Icelandair

Apr 9

HEL3:00 pmHelsinki-Vantaa

15h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Apr 22

SEA7:00 pmSeattle/Tacoma Intl

33h 00m

1 stop

HEL2:00 pmHelsinki-Vantaa

$650

Icelandair

Apr 6

HEL3:00 pmHelsinki-Vantaa

15h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Apr 19

SEA7:00 pmSeattle/Tacoma Intl

33h 00m

1 stop

HEL2:00 pmHelsinki-Vantaa

$652

KLM flights from Helsinki to State of Washington

Our best KLM deals on Helsinki to State of Washington flight tickets

KLM

May 11

HEL1:55 pmHelsinki-Vantaa

31h 47m

1 stop

SEA11:42 amSeattle/Tacoma Intl

May 23

SEA5:40 pmSeattle/Tacoma Intl

33h 25m

1 stop

HEL1:05 pmHelsinki-Vantaa

$704

KLM

Apr 25

HEL7:00 amHelsinki-Vantaa

19h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

May 2

SEA5:35 pmSeattle/Tacoma Intl

20h 50m

1 stop

HEL12:25 amHelsinki-Vantaa

$718

KLM

Apr 24

HEL6:25 pmHelsinki-Vantaa

32h 05m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

May 1

SEA5:35 pmSeattle/Tacoma Intl

20h 50m

1 stop

HEL12:25 amHelsinki-Vantaa

$780

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 4/23

6:45 am-8:40 pm

2 stops23h 55m

Seattle/Tacoma Intl

Thu 4/30

7:00 pm-11:10 pm

2 stops18h 10m

$637

Quickest round-trip

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Fri 5/15

3:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Fri 5/29

3:40 pm-2:00 pm

1 stop12h 20m

$660

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sun 5/10

3:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Sun 5/24

7:00 pm-10:30 pm

1 stop17h 30m

$671

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 4/23

3:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Thu 4/30

7:00 pm-2:00 pm

1 stop33h 00m

$672

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sun 5/10

3:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Sun 5/24

7:00 pm-2:00 pm

1 stop33h 00m

$674

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 5/11

7:00 am-11:42 am

1 stop14h 42m

Seattle/Tacoma Intl

Tue 5/26

1:30 pm-4:40 pm

1 stop17h 10m

$697

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 5/18

7:00 am-11:42 am

1 stop14h 42m

Seattle/Tacoma Intl

Tue 5/26

10:35 am-5:40 pm

2 stops21h 05m

$700

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Wed 5/13

6:25 pm-11:10 am

1 stop26h 45m

Portland

Wed 5/20

11:20 am-1:05 pm

2 stops15h 45m

$823

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Fri 5/15

1:55 pm-11:10 am

1 stop31h 15m

Portland

Sun 5/24

3:30 pm-5:40 pm

2 stops16h 10m

$905

HelsinkiSpokane

HEL - GEG

HELGEG

Helsinki-Vantaa

Sun 4/12

6:00 am-9:11 pm

2 stops25h 11m

Spokane

Thu 4/16

12:35 pm-1:35 am

2 stops27h 00m

$1,219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 October is, on average, the cheapest month to fly to State of Washington from Helsinki, with most prices found around $776. If you aren’t able to travel to State of Washington during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $801.

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 Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $991. 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 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 $903 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 $798 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 18% 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	13h 00m
Direct flights	Mon, Tue, Wed and Sat
Airports in State of Washington	96 airports

The fastest flight from Helsinki to State of Washington takes 13h 00m

Direct flights go from Helsinki to State of Washington on Monday, Tuesday, Wednesday and Saturday. There are no airlines offering direct flights.

There are 96 airports in State of Washington. From Helsinki there are direct flights to 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 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Helsinki to State of Washington is Airbus A330-300 (69.44% of total bookings). The next most popular plane models are Airbus A330 (22.22%), Airbus A350-900 (5.56%), and Airbus A320-100/200 (2.78%).

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.