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.

$392 Cheap Flights from Helsinki to Washington in 2026

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Find the cheapest flights from Helsinki to Washington

Round-trip

One-way

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 6:00 pm

HEL

SEA

29h 40m

3 stops

3:35 pm - 10:25 am

SEA

HEL

33h 50m

3 stops

$736Multiple Airlines

Mon, Mar 9 - Wed, Mar 25

12:30 pm - 6:05 pm

HEL

SEA

38h 35m

1 stop

7:10 pm - 11:55 pm

SEA

HEL

18h 45m

1 stop

$754Turkish Airlines

Wed, Mar 18 - Thu, Apr 23

7:00 pm - 6:05 pm

HEL

SEA

32h 05m

1 stop

7:10 pm - 11:55 pm

SEA

HEL

18h 45m

1 stop

$755Turkish Airlines

Mon, Mar 16 - Thu, Apr 23

1:55 pm - 11:10 am

HEL

PDX

31h 15m

1 stop

1:05 pm - 5:40 pm

PDX

HEL

18h 35m

1 stop

$857KLM

Thu, Apr 2 - Mon, Apr 6

7:00 am - 11:10 am

HEL

PDX

14h 10m

1 stop

5:30 am - 1:05 pm

PDX

HEL

21h 35m

2 stops

$861Delta

Thu, Apr 2 - Mon, Apr 6

1:55 pm - 11:10 am

HEL

PDX

31h 15m

1 stop

1:05 pm - 5:40 pm

PDX

HEL

18h 35m

1 stop

$863KLM

Thu, Apr 2 - Mon, Apr 6

7:00 am - 11:10 am

HEL

PDX

14h 10m

1 stop

10:42 am - 5:40 pm

PDX

HEL

20h 58m

2 stops

$865Delta

Thu, Apr 2 - Mon, Apr 6

4:25 pm - 12:15 am

HEL

PDX

17h 50m

1 stop

6:28 am - 3:25 pm

PDX

HEL

22h 57m

1 stop

$972Finnair

Thu, Apr 2 - Mon, Apr 6

4:50 pm - 12:15 am

HEL

PDX

40h 25m

2 stops

11:59 pm - 1:55 pm

PDX

HEL

28h 56m

2 stops

$1,127American Airlines

Wed, Mar 11 - Sun, Mar 15

12:30 pm - 1:01 pm

HEL

PDX

33h 31m

1 stop

11:59 pm - 1:55 pm

PDX

HEL

28h 56m

2 stops

$1,143American Airlines

Wed, Mar 11 - Sun, Mar 15

KLM flights from Helsinki to State of Washington

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

KLM

Mar 9

HEL7:00 amHelsinki-Vantaa

14h 35m

1 stop

SEA12:35 pmSeattle/Tacoma Intl

Mar 25

SEA4:05 pmSeattle/Tacoma Intl

16h 20m

1 stop

HEL5:25 pmHelsinki-Vantaa

$852

KLM

Apr 2

HEL1:55 pmHelsinki-Vantaa

31h 15m

1 stop

PDX11:10 amPortland

Apr 6

PDX1:05 pmPortland

18h 35m

1 stop

HEL5:40 pmHelsinki-Vantaa

$857

KLM

Mar 9

HEL7:00 amHelsinki-Vantaa

16h 56m

2 stops

SEA2:56 pmSeattle/Tacoma Intl

Mar 25

SEA4:05 pmSeattle/Tacoma Intl

16h 20m

1 stop

HEL5:25 pmHelsinki-Vantaa

$860

Turkish Airlines flights from Helsinki to State of Washington

Our best Turkish Airlines deals on Helsinki to State of Washington flight tickets

Turkish Airlines

Mar 18

HEL12:30 pmHelsinki-Vantaa

38h 35m

1 stop

SEA6:05 pmSeattle/Tacoma Intl

Apr 23

SEA7:10 pmSeattle/Tacoma Intl

18h 45m

1 stop

HEL11:55 pmHelsinki-Vantaa

$754

Turkish Airlines

Mar 16

HEL7:00 pmHelsinki-Vantaa

32h 05m

1 stop

SEA6:05 pmSeattle/Tacoma Intl

Apr 23

SEA7:10 pmSeattle/Tacoma Intl

18h 45m

1 stop

HEL11:55 pmHelsinki-Vantaa

$755

Turkish Airlines

Mar 9

HEL12:30 pmHelsinki-Vantaa

38h 35m

1 stop

SEA6:05 pmSeattle/Tacoma Intl

Mar 23

SEA8:00 pmSeattle/Tacoma Intl

30h 35m

1 stop

HEL11:35 amHelsinki-Vantaa

$764

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/9

9:20 pm-6:00 pm

3 stops29h 40m

Seattle/Tacoma Intl

Wed 3/25

3:35 pm-10:25 am

3 stops33h 50m

$736

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 3/18

12:30 pm-6:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Thu 4/23

7:10 pm-11:55 pm

1 stop18h 45m

$754

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Mon 3/16

7:00 pm-6:05 pm

1 stop32h 05m

Seattle/Tacoma Intl

Thu 4/23

7:10 pm-11:55 pm

1 stop18h 45m

$755

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

$857

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 4/2

7:00 am-11:10 am

1 stop14h 10m

Portland

Mon 4/6

5:30 am-1:05 pm

2 stops21h 35m

$861

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

$863

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 4/2

7:00 am-11:10 am

1 stop14h 10m

Portland

Mon 4/6

10:42 am-5:40 pm

2 stops20h 58m

$865

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 4/2

4:25 pm-12:15 am

1 stop17h 50m

Portland

Mon 4/6

6:28 am-3:25 pm

1 stop22h 57m

$972

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Wed 3/11

4:50 pm-12:15 am

2 stops40h 25m

Portland

Sun 3/15

11:59 pm-1:55 pm

2 stops28h 56m

$1,127

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Wed 3/11

12:30 pm-1:01 pm

1 stop33h 31m

Portland

Sun 3/15

11:59 pm-1:55 pm

2 stops28h 56m

$1,143

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 $785. 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 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 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 $900 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	9h 40m
Direct flights	Wed and Sat
Airports in State of Washington	96 airports

The fastest flight from Helsinki to State of Washington takes 9h 40m

Direct flights go from Helsinki to State of Washington on 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 (69.14% of total bookings). The next most popular plane models are Airbus A330 (23.46%), Airbus A350-900 (4.94%), and Airbus A320-100/200 (2.47%).

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.