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Cheap flights from Seattle to Finland from $344

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 8/22. 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.
Scandinavian Airlines Logo
3:55 pm - 1:30 am
SEA
-
HEL
23h 35m
1 stop
Scandinavian Airlines Logo
6:10 am - 1:45 pm
HEL
-
SEA
17h 35m
1 stop
$476Scandinavian Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
3:40 pm - 11:05 pm
SEA
-
HEL
21h 25m
2 stops
Multiple Airlines Logo
3:40 pm - 8:40 pm
HEL
-
SEA
39h 00m
2 stops
$558Multiple Airlines
Wed, Sep 30 - Sat, Oct 17
Scandinavian Airlines Logo
3:55 pm - 3:45 pm
SEA
-
HEL
13h 50m
2 stops
Scandinavian Airlines Logo
7:15 am - 1:45 pm
HEL
-
SEA
16h 30m
2 stops
$600Scandinavian Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
3:40 pm - 9:20 pm
SEA
-
HEL
19h 40m
2 stops
Multiple Airlines Logo
10:40 am - 11:45 am
HEL
-
SEA
35h 05m
2 stops
$630Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
7:00 pm - 9:20 pm
SEA
-
HEL
16h 20m
2 stops
Multiple Airlines Logo
9:20 pm - 8:40 pm
HEL
-
SEA
33h 20m
3 stops
$638Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
9:15 pm - 1:45 pm
HEL
-
SEA
50h 30m
2 stops
$646Scandinavian Airlines
Sun, Sep 6 - Wed, Sep 9
Scandinavian Airlines Logo
3:55 pm - 3:45 pm
SEA
-
HEL
13h 50m
2 stops
Scandinavian Airlines Logo
9:15 pm - 1:45 pm
HEL
-
SEA
50h 30m
2 stops
$650Scandinavian Airlines
Sun, Sep 6 - Wed, Sep 9
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
9:05 pm - 1:45 pm
HEL
-
SEA
26h 40m
1 stop
$675Scandinavian Airlines
Sun, Aug 23 - Fri, Sep 4
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
11:05 am - 1:45 pm
HEL
-
SEA
36h 40m
2 stops
$682Scandinavian Airlines
Sun, Aug 23 - Thu, Sep 3
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
9:05 pm - 8:04 pm
HEL
-
SEA
32h 59m
2 stops
$685Scandinavian Airlines
Tue, Sep 29 - Mon, Oct 19

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Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Sep 22
SEA3:55 pmSeattle/Tacoma Intl
23h 35m
1 stop
HEL1:30 amHelsinki-Vantaa
Sep 29
HEL6:10 amHelsinki-Vantaa
17h 35m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$476
Scandinavian Airlines
Sep 22
SEA3:55 pmSeattle/Tacoma Intl
13h 50m
2 stops
HEL3:45 pmHelsinki-Vantaa
Sep 29
HEL7:15 amHelsinki-Vantaa
16h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$600
Scandinavian Airlines
Sep 6
SEA3:55 pmSeattle/Tacoma Intl
13h 25m
1 stop
HEL3:20 pmHelsinki-Vantaa
Sep 9
HEL9:15 pmHelsinki-Vantaa
50h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$646

Lufthansa flights from Seattle to Finland

Our best Lufthansa deals on Seattle to Finland flight tickets
Lufthansa
Jul 28
SEA10:45 amSeattle/Tacoma Intl
27h 35m
2 stops
HEL12:20 amHelsinki-Vantaa
Aug 10
HEL7:40 pmHelsinki-Vantaa
31h 19m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$1,170
Lufthansa
Jul 28
SEA2:10 pmSeattle/Tacoma Intl
24h 10m
1 stop
HEL12:20 amHelsinki-Vantaa
Aug 10
HEL7:40 pmHelsinki-Vantaa
31h 19m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$1,175
Lufthansa
Jul 29
SEA2:10 pmSeattle/Tacoma Intl
24h 30m
1 stop
HEL12:40 amHelsinki-Vantaa
Aug 4
HEL6:25 pmHelsinki-Vantaa
27h 30m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$1,186

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 July 27, 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 - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/22

3:55 pm-1:30 am

1 stop23h 35m

Helsinki-Vantaa

Tue 9/29

6:10 am-1:45 pm

1 stop17h 35m

$476

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 9/30

3:40 pm-11:05 pm

2 stops21h 25m

Helsinki-Vantaa

Sat 10/17

3:40 pm-8:40 pm

2 stops39h 00m

$558
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/22

3:55 pm-3:45 pm

2 stops13h 50m

Helsinki-Vantaa

Tue 9/29

7:15 am-1:45 pm

2 stops16h 30m

$600

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/23

3:40 pm-9:20 pm

2 stops19h 40m

Helsinki-Vantaa

Sun 8/30

10:40 am-11:45 am

2 stops35h 05m

$630

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/23

7:00 pm-9:20 pm

2 stops16h 20m

Helsinki-Vantaa

Sun 8/30

9:20 pm-8:40 pm

3 stops33h 20m

$638

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Wed 9/9

9:15 pm-1:45 pm

2 stops50h 30m

$646

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-3:45 pm

2 stops13h 50m

Helsinki-Vantaa

Wed 9/9

9:15 pm-1:45 pm

2 stops50h 30m

$650

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Fri 9/4

9:05 pm-1:45 pm

1 stop26h 40m

$675

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Thu 9/3

11:05 am-1:45 pm

2 stops36h 40m

$682

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/29

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Mon 10/19

9:05 pm-8:04 pm

2 stops32h 59m

$685

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 $739.

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 $902 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 $600 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 32% 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

Best Price Found

$405

Fastest flight time

9h 30m

Direct flights

Tue, Sat and Sun

Airports in Finland

28 airports
The best one-way flight to Finland from Seattle in the past 72 hours is $405. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $1,297.
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 $328Free CancellationRating
7.4
1,903 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $517Free CancellationRating
7.0
717 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.8
8,487 reviews
Search Delta flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
8,132 reviews
Search British Airways flights
FinnairPriceFrom $790Free CancellationRating
7.6
1,423 reviews
Search Finnair flights
LufthansaPriceFrom $852Free CancellationRating
6.8
8,157 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.

An easier way to manage your Finland trip

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