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Cheap flights from Seattle to Finland from $307

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 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Finland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 11:05 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
29h 05m2 stops Toronto Pearson Intl Stockholm Arlanda
Multiple Airlines Logo
9:20 pm - 9:04 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
33h 44m3 stops Riga Intl Stockholm Arlanda Toronto Pearson Intl
$595Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
8:00 am - 11:05 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
29h 05m2 stops Toronto Pearson Intl Stockholm Arlanda
Multiple Airlines Logo
11:05 am - 11:55 amHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
34h 50m2 stops Stockholm Arlanda Frankfurt am Main
$609Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Scandinavian Airlines Logo
3:55 pm - 3:20 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
13h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:05 pm - 1:45 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
26h 40m1 stop Kastrup Copenhagen
$615Scandinavian Airlines
Sun, Sep 13 - Mon, Sep 21
Scandinavian Airlines Logo
3:55 pm - 3:45 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
13h 50m2 stops Kastrup Copenhagen Stockholm Arlanda
Scandinavian Airlines Logo
9:15 pm - 1:45 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
50h 30m2 stops Stockholm Arlanda Kastrup Copenhagen
$680Scandinavian Airlines
Sun, Aug 23 - Wed, Sep 2
Icelandair Logo
3:40 pm - 2:00 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:00 pm - 5:55 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
12h 55m1 stop Reykjavik Keflavik Intl
$826Icelandair
Wed, Sep 30 - Sat, Oct 24
Icelandair Logo
3:40 pm - 2:00 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:00 pm - 5:55 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
12h 55m1 stop Reykjavik Keflavik Intl
$828Icelandair
Sat, Oct 17 - Sat, Oct 24
Delta Logo
10:50 pm - 4:40 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
31h 50m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
2:05 pm - 11:35 amHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
31h 30m1 stop Amsterdam Schiphol
$1,024Delta
Sun, Nov 22 - Mon, Mar 8
Delta Logo
8:59 am - 1:05 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
18h 06m2 stops Minneapolis St Paul Amsterdam Schiphol
Delta Logo
1:55 pm - 4:35 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
36h 40m1 stop Amsterdam Schiphol
$1,025Delta
Mon, Sep 7 - Mon, Sep 21
Finnair Logo
5:40 pm - 1:10 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
9h 30mnonstop
Finnair Logo
4:20 pm - 4:00 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
9h 40mnonstop
$1,033Finnair
Mon, Sep 7 - Mon, Sep 21
Finnair Logo
5:40 pm - 1:10 pmSEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
9h 30mnonstop
Finnair Logo
12:35 pm - 7:48 pmHEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
17h 13m1 stop Dallas/Fort Worth
$1,040Finnair
Mon, Sep 7 - Mon, Sep 21

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Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets
Icelandair
Sep 30
SEA3:40 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL2:00 pmHelsinki-Vantaa
Oct 24
HEL3:00 pmHelsinki-Vantaa
12h 55m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$826
Icelandair
Oct 2
SEA7:00 pmSeattle/Tacoma Intl
20h 55m
1 stop
HEL1:55 amHelsinki-Vantaa
Oct 25
HEL2:00 pmHelsinki-Vantaa
13h 00m
1 stop
SEA6:00 pmSeattle/Tacoma Intl
$828
Icelandair
Nov 23
SEA2:35 pmSeattle/Tacoma Intl
12h 25m
1 stop
HEL1:00 pmHelsinki-Vantaa
Dec 1
HEL2:00 pmHelsinki-Vantaa
13h 00m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$833

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Sep 13
SEA3:55 pmSeattle/Tacoma Intl
13h 25m
1 stop
HEL3:20 pmHelsinki-Vantaa
Sep 21
HEL9:05 pmHelsinki-Vantaa
26h 40m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$615
Scandinavian Airlines
Aug 23
SEA3:55 pmSeattle/Tacoma Intl
13h 50m
2 stops
HEL3:45 pmHelsinki-Vantaa
Sep 2
HEL9:15 pmHelsinki-Vantaa
50h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$680
Scandinavian Airlines
Oct 2
SEA3:55 pmSeattle/Tacoma Intl
16h 50m
2 stops
HEL6:45 pmHelsinki-Vantaa
Oct 15
HEL11:15 amHelsinki-Vantaa
21h 49m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
$698

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Finland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Seattle to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 9/2

8:00 am-11:05 pm

2 stops29h 05m

Helsinki-Vantaa

Wed 9/9

9:20 pm-9:04 pm

3 stops33h 44m

$595

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 9/2

8:00 am-11:05 pm

2 stops29h 05m

Helsinki-Vantaa

Wed 9/9

11:05 am-11:55 am

2 stops34h 50m

$609

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 9/13

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Mon 9/21

9:05 pm-1:45 pm

1 stop26h 40m

$615

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-3:45 pm

2 stops13h 50m

Helsinki-Vantaa

Wed 9/2

9:15 pm-1:45 pm

2 stops50h 30m

$680

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 9/30

3:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sat 10/24

3:00 pm-5:55 pm

1 stop12h 55m

$826

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sat 10/17

3:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sat 10/24

3:00 pm-5:55 pm

1 stop12h 55m

$828

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 11/22

10:50 pm-4:40 pm

2 stops31h 50m

Helsinki-Vantaa

Mon 3/8

2:05 pm-11:35 am

1 stop31h 30m

$1,024

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Mon 9/7

8:59 am-1:05 pm

2 stops18h 06m

Helsinki-Vantaa

Mon 9/21

1:55 pm-4:35 pm

1 stop36h 40m

$1,025
Quickest round-trip

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Mon 9/7

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Mon 9/21

4:20 pm-4:00 pm

Nonstop9h 40m

$1,033

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Mon 9/7

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Mon 9/21

12:35 pm-7:48 pm

1 stop17h 13m

$1,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Finland from

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

What is the cheapest month to fly to Finland?

If you don’t want to visit Finland in January, then you should wait until December to fly from Seattle, when ticket prices are also cheap, with an average price of $807.

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 $666. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Thursday is $1,458.

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 $905 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 $742 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?

You could potentially save up to 22% on your flight if you consider stops on a Seattle to Finland flight.

Cheap Seattle to Finland flight deals and tips

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

Fastest flight time

9h 30m

Direct flights

Tue, Sat and Sun

Airports in Finland

28 airports
The fastest flight from Seattle to Finland takes 9h 30m
Direct flights go from Seattle to Finland on Tuesday, 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?

  • 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?

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 AirlinesPriceFrom $345Free CancellationRating
7.4
1,929 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $514Free CancellationRating
6.9
723 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.8
8,505 reviews
Search Delta flights
FinnairPriceFrom $790Free CancellationRating
7.7
1,427 reviews
Search Finnair flights
LufthansaPriceFrom $852Free CancellationRating
6.8
8,177 reviews
Search Lufthansa 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.

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