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 57% of people opting to fly with this airline when traveling to Finland. Keep in mind that there are 4 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 4 as of September 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.

$302 Cheap Flights from Seattle to Finland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Finland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 10:25 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

28h 40m3 stops Toronto Pearson Intl Zurich Stockholm Arlanda

7:50 pm - 1:00 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

27h 10m2 stops Stockholm Arlanda Munich Franz Josef Strauss

$540Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

8:40 am - 10:25 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

27h 45m3 stops Vancouver Intl Munich Franz Josef Strauss Stockholm Arlanda

7:50 pm - 6:22 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

32h 32m3 stops Stockholm Arlanda Munich Franz Josef Strauss Vancouver Intl

$562Multiple Airlines

Tue, Nov 24 - Mon, Nov 30

7:20 am - 3:25 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

22h 05m2 stops Chicago O'Hare Intl Kastrup Copenhagen

6:15 am - 10:02 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

25h 47m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$814Scandinavian Airlines

Sun, Jan 10 - Mon, Jan 18

7:00 pm - 2:00 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

33h 00m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

13h 00m1 stop Reykjavik Keflavik Intl

$817Icelandair

Mon, Oct 12 - Sun, Oct 25

7:20 am - 8:20 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

27h 00m2 stops San Francisco Kastrup Copenhagen

6:15 am - 10:04 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

25h 49m2 stops Kastrup Copenhagen Los Angeles

$819Scandinavian Airlines

Wed, Nov 18 - Wed, Nov 25

3:40 pm - 11:00 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

21h 20m1 stop Reykjavik Keflavik Intl

3:00 pm - 8:40 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

15h 40m1 stop Reykjavik Keflavik Intl

$828Icelandair

Sun, Oct 11 - Fri, Oct 16

7:15 am - 4:40 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

23h 25m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

6:40 am - 11:47 amHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

15h 07m1 stop Amsterdam Schiphol

$1,017Delta

Wed, Nov 18 - Wed, Nov 25

4:05 pm - 4:40 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

14h 35m1 stop Paris Charles de Gaulle

6:40 am - 11:47 amHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

15h 07m1 stop Amsterdam Schiphol

$1,019Delta

Tue, Nov 10 - Tue, Nov 17

10:31 am - 7:10 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

23h 39m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

11:35 am - 11:25 amHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

33h 50m2 stops Kastrup Copenhagen London Heathrow

$2,183Finnair

Thu, Oct 29 - Wed, Nov 4

10:31 am - 7:10 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

23h 39m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

8:00 am - 4:50 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

18h 50m2 stops Stockholm Arlanda London Heathrow

$2,190Finnair

Thu, Oct 29 - Wed, Nov 4

Cheap last minute flights

Enter your travel dates to find the best prices.

7:55 am - 4:40 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

22h 45m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Stockholm Arlanda

9:15 pm - 10:47 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

35h 32m3 stops Stockholm Arlanda Zurich Vancouver Intl

$667Multiple Airlines

Tue, Oct 6 - Wed, Oct 14

7:15 am - 3:20 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

22h 05m2 stops New York John F Kennedy Intl Kastrup Copenhagen

6:10 am - 11:04 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

26h 54m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$827Scandinavian Airlines

Tue, Oct 6 - Wed, Oct 14

7:15 am - 1:30 amSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

32h 15m2 stops Chicago O'Hare Intl Kastrup Copenhagen

11:15 am - 11:04 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

21h 49m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$827Scandinavian Airlines

Mon, Oct 5 - Wed, Oct 14

3:55 pm - 1:30 amSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

23h 35m1 stop Kastrup Copenhagen

11:15 am - 11:04 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

21h 49m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$842Scandinavian Airlines

Tue, Oct 6 - Wed, Oct 14

7:15 pm - 6:45 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

37h 30m1 stop Istanbul

7:40 pm - 5:20 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

31h 40m1 stop Istanbul

$881Turkish Airlines

Tue, Oct 6 - Wed, Oct 14

7:15 pm - 11:10 amSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

29h 55m1 stop Istanbul

7:40 pm - 5:20 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

31h 40m1 stop Istanbul

$881Turkish Airlines

Mon, Oct 5 - Wed, Oct 14

7:15 pm - 11:10 amSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

29h 55m1 stop Istanbul

7:05 pm - 6:10 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

33h 05m1 stop Istanbul

$900Turkish Airlines

Sun, Oct 4 - Wed, Nov 4

12:13 pm - 2:00 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

15h 47m2 stops Portland Reykjavik Keflavik Intl

3:00 pm - 5:55 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

$995Icelandair

Mon, Oct 5 - Wed, Oct 14

7:00 pm - 2:00 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

33h 00m1 stop Reykjavik Keflavik Intl

3:00 pm - 8:40 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

15h 40m1 stop Reykjavik Keflavik Intl

$2,993Icelandair

Mon, Oct 5 - Thu, Oct 15

3:40 pm - 7:45 pmSEA Seattle/Tacoma Intl-HEL Helsinki-Vantaa

18h 05m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

3:00 pm - 8:40 pmHEL Helsinki-Vantaa-SEA Seattle/Tacoma Intl

15h 40m1 stop Reykjavik Keflavik Intl

$3,024Icelandair

Mon, Oct 5 - Thu, Oct 15

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Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets

Scandinavian Airlines

Jan 10

SEA7:20 amSeattle/Tacoma Intl

22h 05m

2 stops

HEL3:25 pmHelsinki-Vantaa

Jan 18

HEL6:15 amHelsinki-Vantaa

25h 47m

2 stops

SEA10:02 pmSeattle/Tacoma Intl

$814

Scandinavian Airlines

Feb 5

SEA7:15 amSeattle/Tacoma Intl

22h 10m

2 stops

HEL3:25 pmHelsinki-Vantaa

Feb 16

HEL6:15 amHelsinki-Vantaa

25h 47m

2 stops

SEA10:02 pmSeattle/Tacoma Intl

$821

Scandinavian Airlines

Nov 18

SEA10:39 amSeattle/Tacoma Intl

37h 51m

2 stops

HEL10:30 amHelsinki-Vantaa

Nov 25

HEL9:00 pmHelsinki-Vantaa

33h 13m

2 stops

SEA8:13 pmSeattle/Tacoma Intl

$824

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets

Turkish Airlines

Oct 12

SEA7:15 pmSeattle/Tacoma Intl

37h 30m

1 stop

HEL6:45 pmHelsinki-Vantaa

Oct 25

HEL12:15 pmHelsinki-Vantaa

38h 55m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$866

Turkish Airlines

Feb 10

SEA7:05 pmSeattle/Tacoma Intl

37h 05m

1 stop

HEL6:10 pmHelsinki-Vantaa

Feb 18

HEL7:05 pmHelsinki-Vantaa

32h 05m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

$867

Turkish Airlines

Oct 5

SEA7:15 pmSeattle/Tacoma Intl

29h 55m

1 stop

HEL11:10 amHelsinki-Vantaa

Oct 14

HEL7:40 pmHelsinki-Vantaa

31h 40m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$881

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Tue 11/10

7:45 am-10:25 pm

3 stops28h 40m

Helsinki-Vantaa

Tue 11/17

7:50 pm-1:00 pm

2 stops27h 10m

$540

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Tue 11/24

8:40 am-10:25 pm

3 stops27h 45m

Helsinki-Vantaa

Mon 11/30

7:50 pm-6:22 pm

3 stops32h 32m

$562

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 1/10

7:20 am-3:25 pm

2 stops22h 05m

Helsinki-Vantaa

Mon 1/18

6:15 am-10:02 pm

2 stops25h 47m

$814

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Mon 10/12

7:00 pm-2:00 pm

1 stop33h 00m

Helsinki-Vantaa

Sun 10/25

2:00 pm-6:00 pm

1 stop13h 00m

$817

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 11/18

7:20 am-8:20 pm

2 stops27h 00m

Helsinki-Vantaa

Wed 11/25

6:15 am-10:04 pm

2 stops25h 49m

$819

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 10/11

3:40 pm-11:00 pm

1 stop21h 20m

Helsinki-Vantaa

Fri 10/16

3:00 pm-8:40 pm

1 stop15h 40m

$828

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 11/18

7:15 am-4:40 pm

2 stops23h 25m

Helsinki-Vantaa

Wed 11/25

6:40 am-11:47 am

1 stop15h 07m

$1,017

Quickest round-trip

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Tue 11/10

4:05 pm-4:40 pm

1 stop14h 35m

Helsinki-Vantaa

Tue 11/17

6:40 am-11:47 am

1 stop15h 07m

$1,019

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Thu 10/29

10:31 am-7:10 pm

2 stops23h 39m

Helsinki-Vantaa

Wed 11/4

11:35 am-11:25 am

2 stops33h 50m

$2,183

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Thu 10/29

10:31 am-7:10 pm

2 stops23h 39m

Helsinki-Vantaa

Wed 11/4

8:00 am-4:50 pm

2 stops18h 50m

$2,190

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 September to fly from Seattle, when ticket prices are also cheap, with an average price of $743.

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 $874. 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 $1,208.

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 $919 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 $800 on momondo.

What cabin class options are available on Seattle to Finland flights?

There are 3 cabin classes available to choose from on Seattle to Finland 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 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	$302
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to Finland from Seattle in the past 72 hours is $302. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $540.

The fastest flight from Seattle to Finland takes 12h 25m

There are no direct flights from Seattle to Finland. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Helsinki-Vantaa Airport.

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 4 as of September 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 56.25% of the total bookings. Other popular models include Airbus A330 with 12.50%, Airbus A350-900 with 6.25%, and Airbus A330-900neo with 5.21%.

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 $353	Free Cancellation	Rating 7.4 2,002 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $528	Free Cancellation	Rating 6.9 756 reviews	Search Icelandair flights
Delta	PriceFrom $731	Free Cancellation	Rating 7.8 8,611 reviews	Search Delta flights
Finnair	PriceFrom $845	Free Cancellation	Rating 7.6 1,429 reviews	Search Finnair 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.