What is the cheapest airline that flies from Washington to Finland?

British Airways, Delta, and United Airlines are the most popular carriers operating from Washington to Finland

What airlines fly to Finland?

Icelandair, Scandinavian Airlines and Finnair are the top three most popular airlines that fly to Finland 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 Finland. Keep in mind that there are 6 different airlines that fly to Finland 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 Finland?

Prices for flights from Washington to Finland are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Finland?

As of May 2026, there are 8 operators available to choose from for flights from Washington to Finland.

How old do you have to be to fly from Washington to Finland?

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 Finland.

What documentation or ID do you need to fly to Finland?

The travel and health documents required for your trip to Finland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Finland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$294 Cheap Flights from Washington to Finland in 2026

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Find the cheapest flights from Washington to Finland

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

11:09 am - 1:35 am

PDX

HEL

28h 26m

2 stops

6:35 am - 7:06 pm

HEL

PDX

22h 31m

2 stops

$725Multiple Airlines

Wed, Sep 16 - Thu, Sep 24

10:05 pm - 4:40 pm

PDX

HEL

32h 35m

2 stops

7:00 am - 11:10 am

HEL

PDX

14h 10m

1 stop

$730Delta

Sun, Sep 13 - Fri, Sep 25

7:00 am - 12:55 pm

PDX

HEL

19h 55m

2 stops

7:00 am - 11:10 am

HEL

PDX

14h 10m

1 stop

$733Delta

Wed, Sep 16 - Fri, Sep 25

10:35 am - 6:55 pm

PDX

HEL

22h 20m

2 stops

7:05 am - 8:50 pm

HEL

PDX

23h 45m

2 stops

$742United Airlines

Tue, Sep 15 - Tue, Sep 22

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

7:10 pm - 11:10 am

SEA

HEL

30h 00m

1 stop

12:05 pm - 5:15 pm

HEL

SEA

39h 10m

1 stop

$825Turkish Airlines

Thu, Oct 1 - Thu, Oct 22

7:00 pm - 7:45 pm

SEA

HEL

38h 45m

2 stops

12:30 pm - 8:40 pm

HEL

SEA

18h 10m

2 stops

$832Icelandair

Thu, Oct 1 - Thu, Oct 22

7:10 pm - 1:35 pm

SEA

OUL

32h 25m

2 stops

5:35 pm - 5:15 pm

OUL

SEA

33h 40m

2 stops

$1,126Turkish Airlines

Wed, Sep 23 - Sun, Sep 27

Delta flights from State of Washington to Finland

Our best Delta deals on State of Washington to Finland flight tickets

Delta

Sep 13

PDX10:05 pmPortland

32h 35m

2 stops

HEL4:40 pmHelsinki-Vantaa

Sep 25

HEL7:00 amHelsinki-Vantaa

14h 10m

1 stop

PDX11:10 amPortland

$730

Delta

Sep 16

PDX7:00 amPortland

19h 55m

2 stops

HEL12:55 pmHelsinki-Vantaa

Sep 25

HEL7:00 amHelsinki-Vantaa

14h 10m

1 stop

PDX11:10 amPortland

$733

Delta

Sep 13

PDX11:39 amPortland

19h 01m

2 stops

HEL4:40 pmHelsinki-Vantaa

Sep 22

HEL7:15 amHelsinki-Vantaa

24h 20m

2 stops

PDX9:35 pmPortland

$739

United Airlines flights from State of Washington to Finland

Our best United Airlines deals on State of Washington to Finland flight tickets

United Airlines

Sep 15

PDX10:35 amPortland

22h 20m

2 stops

HEL6:55 pmHelsinki-Vantaa

Sep 22

HEL7:05 amHelsinki-Vantaa

23h 45m

2 stops

PDX8:50 pmPortland

$742

United Airlines

Sep 19

PDX11:15 pmPortland

39h 15m

2 stops

HEL12:30 amHelsinki-Vantaa

Sep 22

HEL2:05 pmHelsinki-Vantaa

30h 07m

2 stops

PDX10:12 amPortland

$760

United Airlines

Aug 18

PDX12:50 pmPortland

20h 05m

2 stops

HEL6:55 pmHelsinki-Vantaa

Aug 26

HEL6:35 amHelsinki-Vantaa

24h 15m

2 stops

PDX8:50 pmPortland

$796

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

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/16

11:09 am-1:35 am

2 stops28h 26m

Helsinki-Vantaa

Thu 9/24

6:35 am-7:06 pm

2 stops22h 31m

$725

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 9/13

10:05 pm-4:40 pm

2 stops32h 35m

Helsinki-Vantaa

Fri 9/25

7:00 am-11:10 am

1 stop14h 10m

$730

Quickest round-trip

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/16

7:00 am-12:55 pm

2 stops19h 55m

Helsinki-Vantaa

Fri 9/25

7:00 am-11:10 am

1 stop14h 10m

$733

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 9/15

10:35 am-6:55 pm

2 stops22h 20m

Helsinki-Vantaa

Tue 9/22

7:05 am-8:50 pm

2 stops23h 45m

$742

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

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 10/1

7:10 pm-11:10 am

1 stop30h 00m

Helsinki-Vantaa

Thu 10/22

12:05 pm-5:15 pm

1 stop39h 10m

$825

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 10/1

7:00 pm-7:45 pm

2 stops38h 45m

Helsinki-Vantaa

Thu 10/22

12:30 pm-8:40 pm

2 stops18h 10m

$832

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 9/23

7:10 pm-1:35 pm

2 stops32h 25m

Oulu

Sun 9/27

5:35 pm-5:15 pm

2 stops33h 40m

$1,126

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 Finland

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 Finland?

If you don’t want to visit Finland in January, then you should wait until October to fly from State of Washington, when ticket prices are also cheap, with an average price of $322.

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

The cheapest day to depart from State of Washington to Finland is on a Wednesday. Travelers who choose to depart for Finland on a Wednesday will often find tickets for as low as $777. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Sunday is $1,154.

What is the cheapest Washington to Finland flight route?

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

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

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

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

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

Cheap State of Washington to Finland flight deals and tips

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

Best Price Found	$471
Fastest flight time	9h 30m
Direct flights	Mon, Tue, Wed, Sat and Sun
Airports in Finland	28 airports

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

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

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

There are 28 airports in Finland. From State of Washington there are direct flights to Helsinki-Vantaa (HEL).

Search flight deals

Frequently asked questions about flying from Washington to Finland

When did momondo last update prices for flights from Washington to Finland?
Prices for flights from Washington to Finland are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Finland?
As of May 2026, there are 8 operators available to choose from for flights from Washington to Finland.
How old do you have to be to fly from Washington to Finland?
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 Finland.
What documentation or ID do you need to fly to Finland?
The travel and health documents required for your trip to Finland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Finland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from State of Washington to Finland?
Based on momondo bookings for flights between State of Washington and Finland, 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 Finland

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 1,770 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $424	Free Cancellation	Rating 7.0 653 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 7,952 reviews	Search British Airways flights

Why use momondo?

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

It is quick and easy to find Washington to Finland 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 Finland that suits you.

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

All flight searches from Washington to Finland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington to Finland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Finland, momondo offers a useful price alert feature which will track prices for flights to Finland from Washington and alert you when they change.

An easier way to manage your Finland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Finland

Flights to Helsinkifrom $425

Flights to Rovaniemifrom $896

Flights to Turkufrom $603

Flights to Oulufrom $888

Flights to Vaasafrom $1,081

Flights to Kittiläfrom $1,554

Flights to Ivalofrom $996

Flights to Tamperefrom $1,080

Flights to Jyväskyläfrom $895

Flights to Mariehamnfrom $1,209

Flights to Kajaanifrom $886

Flights to Kuopiofrom $1,055

Cheap flights from Washington to Finland from $294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Finland departing on 10/19. 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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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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Delta flights from State of Washington to Finland

Our best Delta deals on State of Washington to Finland flight tickets

United Airlines flights from State of Washington to Finland

Our best United Airlines deals on State of Washington to Finland flight tickets

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Use the filters below to find and compare flights from Washington to Finland that are best for you.

See travel insights to Finland from

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

What is the cheapest month to fly to Finland?

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

What is the cheapest Washington to Finland flight route?

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

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

What is the cheapest airline that flies from Washington to Finland?

What airlines fly to Finland?

Cheap State of Washington to Finland flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Finland

Frequently asked questions about flying from Washington to Finland

Best airlines flying from State of Washington to Finland

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

Why use momondo?

An easier way to manage your Finland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Finland

Popular cities in Finland

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

According to popular flight searches on momondo this year

Finland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Finland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Finland

List of cabin classes available on flights landing in Finland. Availability may vary depending on flight origin and airline.

Complete your trip to Finland

Explore popular destinations other users love

According to popular flight searches on momondo this year