What is the cheapest airline that flies from Seattle/Tacoma Intl to Finland?

Turkish Airlines and Icelandair are the most popular carriers operating from Seattle/Tacoma Intl to Finland

What airlines fly to Finland?

Icelandair, Scandinavian Airlines and Finnair are the top three most popular airlines that fly to Finland from Seattle according to our data. Icelandair is the first choice among our users, with 49% 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 Seattle/Tacoma Intl Airport to Finland?

Prices for flights from Seattle/Tacoma Intl Airport to Finland refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Finland?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Finland is 6 as of April 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport 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.

$315 Cheap Flights from Seattle to Finland in 2026

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Find the cheapest flights from Seattle to Finland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 4:40 pm

SEA

HEL

22h 40m

2 stops

8:30 am - 10:07 am

HEL

SEA

35h 37m

3 stops

$568Multiple Airlines

jeu., août 13 - jeu., août 20

8:00 am - 10:35 pm

SEA

HEL

28h 35m

2 stops

8:30 am - 9:07 pm

HEL

SEA

22h 37m

2 stops

$569Multiple Airlines

jeu., août 13 - jeu., août 20

3:40 pm - 6:20 pm

SEA

HEL

16h 40m

2 stops

7:05 am - 8:40 pm

HEL

SEA

23h 35m

2 stops

$634Multiple Airlines

lun., août 17 - lun., août 31

8:00 am - 8:40 pm

SEA

HEL

26h 40m

3 stops

11:05 am - 10:48 pm

HEL

SEA

21h 43m

3 stops

$640Multiple Airlines

jeu., août 13 - jeu., août 20

3:55 pm - 10:35 am

SEA

HEL

32h 40m

1 stop

4:00 pm - 1:45 pm

HEL

SEA

31h 45m

1 stop

$742Scandinavian Airlines

dim., sept. 27 - jeu., oct. 1

7:00 pm - 8:35 pm

SEA

HEL

15h 35m

2 stops

7:15 am - 8:40 pm

HEL

SEA

23h 25m

2 stops

$783Multiple Airlines

lun., mai 25 - lun., juin 1

7:00 pm - 7:45 pm

SEA

HEL

14h 45m

2 stops

12:30 pm - 8:40 pm

HEL

SEA

18h 10m

2 stops

$795Icelandair

dim., sept. 13 - mar., sept. 29

7:00 pm - 7:40 pm

SEA

HEL

14h 40m

2 stops

12:30 pm - 8:40 pm

HEL

SEA

18h 10m

2 stops

$811Icelandair

mer., oct. 7 - mer., oct. 21

7:00 pm - 7:45 pm

SEA

HEL

14h 45m

2 stops

3:55 pm - 8:40 pm

HEL

SEA

14h 45m

2 stops

$813Icelandair

dim., sept. 27 - jeu., oct. 1

3:40 pm - 6:40 pm

SEA

HEL

17h 00m

2 stops

12:30 pm - 5:55 pm

HEL

SEA

15h 25m

2 stops

$818Icelandair

mer., sept. 16 - mer., oct. 7

Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets

Icelandair

Sep 13

SEA7:00 pmSeattle/Tacoma Intl

14h 45m

2 stops

HEL7:45 pmHelsinki-Vantaa

Sep 29

HEL12:30 pmHelsinki-Vantaa

18h 10m

2 stops

SEA8:40 pmSeattle/Tacoma Intl

$795

Icelandair

Oct 7

SEA7:00 pmSeattle/Tacoma Intl

14h 40m

2 stops

HEL7:40 pmHelsinki-Vantaa

Oct 21

HEL12:30 pmHelsinki-Vantaa

18h 10m

2 stops

SEA8:40 pmSeattle/Tacoma Intl

$811

Icelandair

Sep 27

SEA7:00 pmSeattle/Tacoma Intl

14h 45m

2 stops

HEL7:45 pmHelsinki-Vantaa

Oct 1

HEL3:55 pmHelsinki-Vantaa

14h 45m

2 stops

SEA8:40 pmSeattle/Tacoma Intl

$813

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets

Turkish Airlines

May 4

SEA7:10 pmSeattle/Tacoma Intl

30h 00m

1 stop

HEL11:10 amHelsinki-Vantaa

May 12

HEL7:35 pmHelsinki-Vantaa

31h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$816

Turkish Airlines

Sep 16

SEA7:10 pmSeattle/Tacoma Intl

30h 00m

1 stop

HEL11:10 amHelsinki-Vantaa

Sep 24

HEL12:05 pmHelsinki-Vantaa

39h 10m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$827

Turkish Airlines

May 4

SEA7:10 pmSeattle/Tacoma Intl

30h 00m

1 stop

HEL11:10 amHelsinki-Vantaa

May 12

HEL7:35 pmHelsinki-Vantaa

31h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$829

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

jeu. 8/13

8:00 am-4:40 pm

2 stops22h 40m

Helsinki-Vantaa

jeu. 8/20

8:30 am-10:07 am

3 stops35h 37m

$568

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

jeu. 8/13

8:00 am-10:35 pm

2 stops28h 35m

Helsinki-Vantaa

jeu. 8/20

8:30 am-9:07 pm

2 stops22h 37m

$569

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

lun. 8/17

3:40 pm-6:20 pm

2 stops16h 40m

Helsinki-Vantaa

lun. 8/31

7:05 am-8:40 pm

2 stops23h 35m

$634

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

jeu. 8/13

8:00 am-8:40 pm

3 stops26h 40m

Helsinki-Vantaa

jeu. 8/20

11:05 am-10:48 pm

3 stops21h 43m

$640

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dim. 9/27

3:55 pm-10:35 am

1 stop32h 40m

Helsinki-Vantaa

jeu. 10/1

4:00 pm-1:45 pm

1 stop31h 45m

$742

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

lun. 5/25

7:00 pm-8:35 pm

2 stops15h 35m

Helsinki-Vantaa

lun. 6/1

7:15 am-8:40 pm

2 stops23h 25m

$783

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dim. 9/13

7:00 pm-7:45 pm

2 stops14h 45m

Helsinki-Vantaa

mar. 9/29

12:30 pm-8:40 pm

2 stops18h 10m

$795

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mer. 10/7

7:00 pm-7:40 pm

2 stops14h 40m

Helsinki-Vantaa

mer. 10/21

12:30 pm-8:40 pm

2 stops18h 10m

$811

Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

dim. 9/27

7:00 pm-7:45 pm

2 stops14h 45m

Helsinki-Vantaa

jeu. 10/1

3:55 pm-8:40 pm

2 stops14h 45m

$813

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

mer. 9/16

3:40 pm-6:40 pm

2 stops17h 00m

Helsinki-Vantaa

mer. 10/7

12:30 pm-5:55 pm

2 stops15h 25m

$818

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 Seattle 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 Seattle, 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 Seattle to Finland is on a Wednesday. Travelers who choose to depart for Finland on a Wednesday will often find tickets for as low as $750. 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 $1,107.

What is the cheapest Seattle/Tacoma Intl to Finland flight route?

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

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

You are more likely to see cheaper flights to Finland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Finland for around $814 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Finland from Seattle for as low as $585 on momondo.

Can stopping save me money on Seattle to Finland flights?

No. A direct flight is the cheapest option for a flight between Seattle to Finland.

Cheap Seattle to Finland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Finland

Best Price Found	$425
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 Seattle in the past 72 hours is $425. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $1,112.

The fastest flight from Seattle to Finland takes 9h 30m

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

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

Search flight deals

Frequently asked questions about flying from Seattle to Finland

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Finland?
Prices for flights from Seattle/Tacoma Intl Airport to Finland refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Finland?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Finland is 6 as of April 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport 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 Seattle to Finland?
Based on momondo bookings for flights between Seattle and Finland, the leading plane model is Airbus A330-300, making up 64.09% of the total bookings. Other popular models include Airbus A330 with 14.67%, Airbus A350-900 with 3.47%, and Airbus A330-900neo with 3.09%.

Best airlines flying from Seattle to Finland

Compare and see reviews for airlines that fly from Seattle to Finland with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 1,767 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $424	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
American Airlines	PriceFrom $496	Free Cancellation	Rating 7.1 11,680 reviews	Search American Airlines flights
KLM	PriceFrom $536	Free Cancellation	Rating 7.8 1,512 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 7,937 reviews	Search British Airways flights

Why use momondo?

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

It is quick and easy to find Seattle 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 Seattle to Finland with flexible booking policies on momondo?

Yes. All flights to Finland from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Finland from Seattle.

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

Of course. momondo tracks the price of Seattle to Finland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Finland trip

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Find better results for your trip to Finland

Popular cities

Other flights from Seattle

Other flights to Finland

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Finland

Flights to Helsinkifrom $436

Flights to Rovaniemifrom $963

Flights to Turkufrom $683

Flights to Oulufrom $1,114

Flights to Vaasafrom $1,329

Flights to Kittiläfrom $1,241

Flights to Ivalofrom $996

Flights to Tamperefrom $1,031

Flights to Jyväskyläfrom $1,048

Flights to Mariehamnfrom $1,209

Flights to Kajaanifrom $886

Flights to Kuopiofrom $1,165

Cheap flights from Seattle to Finland from $315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Finland departing on 8/26. 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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Find the cheapest flights from Seattle to Finland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets

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

See travel insights to Finland from

How to get the cheapest flight ticket from Seattle 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 Seattle/Tacoma Intl to Finland flight route?

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

Can stopping save me money on Seattle to Finland flights?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Finland?

What airlines fly to Finland?

Cheap Seattle to Finland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Finland

Best Price Found

Fastest flight time

Direct flights

Airports in Finland

Frequently asked questions about flying from Seattle to Finland

Best airlines flying from Seattle to Finland

Compare and see reviews for airlines that fly from Seattle 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

Seattle 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