What is the cheapest airline that flies from Washington to Helsinki-Vantaa?

Lufthansa, KLM, and Scandinavian Airlines are the most popular carriers operating from Washington to Helsinki-Vantaa

What airlines fly to Helsinki?

Icelandair, Scandinavian Airlines and Finnair are the top three most popular airlines that fly to Helsinki from State of Washington according to our data. Icelandair is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 6 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Washington to Helsinki-Vantaa Airport were last updated today.

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

As of May 2026, there are 8 operators available to choose from for flights from Washington to Helsinki-Vantaa Airport.

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

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 Washington to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$294 Cheap Flights from Washington to Helsinki in 2026

1 adult

0 bags

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Find the cheapest flights from Washington to Helsinki

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:20 pm

SEA

HEL

16h 40m

2 stops

7:05 am - 8:40 pm

HEL

SEA

23h 35m

2 stops

$636Multiple Airlines

Tue, Aug 18 - Mon, Aug 31

7:00 pm - 12:40 am

SEA

HEL

19h 40m

3 stops

5:30 am - 8:40 pm

HEL

SEA

25h 10m

3 stops

$667Multiple Airlines

Wed, Aug 19 - Mon, Aug 31

7:00 pm - 12:05 am

SEA

HEL

19h 05m

2 stops

7:05 am - 8:40 pm

HEL

SEA

23h 35m

2 stops

$792Multiple Airlines

Wed, May 27 - Mon, Jun 1

3:40 pm - 4:40 pm

SEA

HEL

15h 00m

2 stops

7:05 am - 8:40 pm

HEL

SEA

23h 35m

2 stops

$800Multiple Airlines

Mon, Jun 1 - Wed, Jun 10

3:40 pm - 6:40 pm

SEA

HEL

17h 00m

2 stops

11:40 am - 8:40 pm

HEL

SEA

19h 00m

2 stops

$822Icelandair

Tue, Sep 1 - Tue, Sep 15

7:05 pm - 2:00 pm

PDX

HEL

32h 55m

1 stop

3:00 pm - 5:55 pm

HEL

PDX

12h 55m

1 stop

$823Icelandair

Wed, Jul 15 - Wed, Aug 12

7:10 pm - 11:10 am

SEA

HEL

30h 00m

1 stop

8:20 am - 5:15 pm

HEL

SEA

18h 55m

1 stop

$825Turkish Airlines

Wed, Oct 7 - Thu, Oct 15

7:00 pm - 3:00 pm

SEA

HEL

34h 00m

3 stops

5:30 am - 8:40 pm

HEL

SEA

25h 10m

3 stops

$832Multiple Airlines

Mon, Jun 1 - Wed, Jun 10

3:40 pm - 7:45 pm

SEA

HEL

18h 05m

2 stops

12:25 pm - 6:00 pm

HEL

SEA

38h 35m

2 stops

$834Icelandair

Mon, Oct 19 - Mon, Oct 26

7:00 pm - 7:40 pm

SEA

HEL

14h 40m

2 stops

3:55 pm - 8:40 pm

HEL

SEA

14h 45m

2 stops

$836Icelandair

Wed, Oct 7 - Thu, Oct 15

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KLM flights from State of Washington to Helsinki

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

KLM

Jul 4

PDX3:00 pmPortland

16h 40m

2 stops

HEL5:40 pmHelsinki-Vantaa

Aug 20

HEL6:25 pmHelsinki-Vantaa

26h 45m

1 stop

PDX11:10 amPortland

$1,011

KLM

May 18

PDX1:05 pmPortland

18h 35m

1 stop

HEL5:40 pmHelsinki-Vantaa

Jun 15

HEL1:55 pmHelsinki-Vantaa

31h 15m

1 stop

PDX11:10 amPortland

$1,164

Icelandair flights from State of Washington to Helsinki

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

Icelandair

Sep 1

SEA3:40 pmSeattle/Tacoma Intl

17h 00m

2 stops

HEL6:40 pmHelsinki-Vantaa

Sep 15

HEL11:40 amHelsinki-Vantaa

19h 00m

2 stops

SEA8:40 pmSeattle/Tacoma Intl

$822

Icelandair

Jul 15

PDX7:05 pmPortland

32h 55m

1 stop

HEL2:00 pmHelsinki-Vantaa

Aug 12

HEL3:00 pmHelsinki-Vantaa

12h 55m

1 stop

PDX5:55 pmPortland

$823

Icelandair

Oct 19

SEA3:40 pmSeattle/Tacoma Intl

18h 05m

2 stops

HEL7:45 pmHelsinki-Vantaa

Oct 26

HEL12:25 pmHelsinki-Vantaa

38h 35m

2 stops

SEA6:00 pmSeattle/Tacoma Intl

$834

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 8/18

3:40 pm-6:20 pm

2 stops16h 40m

Helsinki-Vantaa

Mon 8/31

7:05 am-8:40 pm

2 stops23h 35m

$636

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

7:00 pm-12:40 am

3 stops19h 40m

Helsinki-Vantaa

Mon 8/31

5:30 am-8:40 pm

3 stops25h 10m

$667

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 5/27

7:00 pm-12:05 am

2 stops19h 05m

Helsinki-Vantaa

Mon 6/1

7:05 am-8:40 pm

2 stops23h 35m

$792

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 6/1

3:40 pm-4:40 pm

2 stops15h 00m

Helsinki-Vantaa

Wed 6/10

7:05 am-8:40 pm

2 stops23h 35m

$800

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/1

3:40 pm-6:40 pm

2 stops17h 00m

Helsinki-Vantaa

Tue 9/15

11:40 am-8:40 pm

2 stops19h 00m

$822

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 7/15

7:05 pm-2:00 pm

1 stop32h 55m

Helsinki-Vantaa

Wed 8/12

3:00 pm-5:55 pm

1 stop12h 55m

$823

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 10/7

7:10 pm-11:10 am

1 stop30h 00m

Helsinki-Vantaa

Thu 10/15

8:20 am-5:15 pm

1 stop18h 55m

$825

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 6/1

7:00 pm-3:00 pm

3 stops34h 00m

Helsinki-Vantaa

Wed 6/10

5:30 am-8:40 pm

3 stops25h 10m

$832

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 10/19

3:40 pm-7:45 pm

2 stops18h 05m

Helsinki-Vantaa

Mon 10/26

12:25 pm-6:00 pm

2 stops38h 35m

$834

Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 10/7

7:00 pm-7:40 pm

2 stops14h 40m

Helsinki-Vantaa

Thu 10/15

3:55 pm-8:40 pm

2 stops14h 45m

$836

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 State of Washington to Helsinki

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

Prices

Airlines

What is the cheapest month to fly to Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from State of Washington, with most prices found around $291. If you aren’t able to travel during the month of January, then book flights to Helsinki from State of Washington during October instead. Flights to Helsinki in October, while not as cheap as those in January, still average around $322.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Wednesday when prices can be found for as low as $777. This is often the case because there is less demand to fly during this day of the week. Flights from State of Washington to Helsinki on a Sunday will generally be more expensive and average around $1,154. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

How far in advance should I book a flight from Washington to Helsinki?

You are more likely to see cheaper flights to Helsinki from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from State of Washington for as low as $585 on momondo.

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

No. A direct flight is the cheapest option for a flight between State of Washington to Helsinki.

Cheap State of Washington to Helsinki flight deals and tips

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

Best Price Found	$471
Fastest flight time	9h 30m
Direct flights	Mon, Tue, Wed, Sat and Sun
Airports in Helsinki	1 airport

The best one-way flight to Helsinki from State of Washington in the past 72 hours is $471. The best round-trip flight deal from State of Washington to Helsinki found on momondo in the last 72 hours is $1,139.

The fastest flight from State of Washington to Helsinki takes 9h 30m

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

There is 1 airport in Helsinki. From State of Washington there are direct flights to Helsinki-Vantaa (HEL).

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Frequently asked questions about flying from Washington to Helsinki

When did momondo last update prices for flights from Washington to Helsinki-Vantaa Airport?
Prices for flights from Washington to Helsinki-Vantaa Airport were last updated today.
How many operators does momondo search for flights from Washington to Helsinki-Vantaa Airport?
As of May 2026, there are 8 operators available to choose from for flights from Washington to Helsinki-Vantaa Airport.
How old do you have to be to fly from Washington to Helsinki-Vantaa Airport?
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 Washington to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from State of Washington to Helsinki?
Based on momondo bookings for flights between State of Washington and Helsinki, the leading plane model is Airbus A330-300, making up 64.42% of the total bookings. Other popular models include Airbus A330 with 14.98%, Airbus A350-900 with 3.37%, and Airbus A330-900neo with 3.00%.

Best airlines flying from State of Washington to Helsinki

Compare and see reviews for airlines that fly from State of Washington to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 1,769 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $424	Free Cancellation	Rating 7.0 650 reviews	Search Icelandair flights
American Airlines	PriceFrom $496	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
KLM	PriceFrom $536	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Finnair	PriceFrom $700	Free Cancellation	Rating 7.6 1,392 reviews	Search Finnair flights
British Airways	PriceFrom $725	Free Cancellation	Rating 6.7 7,944 reviews	Search British Airways flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Helsinki from Washington with this policy.

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

momondo provides multiple filters to help you find the best flight to Helsinki from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Helsinki from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.