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Cheap flights from Seattle to Finland from $438

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 6/14. 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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0 bags

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Find the cheapest flights from Seattle to Finland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
2:30 pm - 3:20 pm
SEA
-
HEL
38h 50m2 stops
Scandinavian Airlines Logo
11:15 am - 1:45 pm
HEL
-
SEA
12h 30m1 stop
$473Scandinavian Airlines
Mon, May 18 - Tue, May 26
Scandinavian Airlines Logo
9:50 am - 10:35 am
SEA
-
HEL
38h 45m2 stops
Scandinavian Airlines Logo
4:00 pm - 1:45 pm
HEL
-
SEA
31h 45m1 stop
$502Scandinavian Airlines
Sun, May 17 - Mon, May 25
Icelandair Logo
2:35 pm - 12:55 pm
SEA
-
HEL
12h 20m1 stop
Icelandair Logo
1:55 pm - 5:00 pm
HEL
-
SEA
13h 05m1 stop
$507Icelandair
Sun, Jan 25 - Thu, Jan 29
Scandinavian Airlines Logo
9:50 am - 10:35 am
SEA
-
HEL
38h 45m2 stops
Scandinavian Airlines Logo
9:15 pm - 1:45 pm
HEL
-
SEA
26h 30m2 stops
$509Scandinavian Airlines
Sun, May 17 - Mon, May 25
Icelandair Logo
2:35 pm - 12:55 pm
SEA
-
HEL
12h 20m1 stop
Icelandair Logo
1:55 pm - 5:00 pm
HEL
-
SEA
13h 05m1 stop
$514Icelandair
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
2:35 pm - 3:25 pm
SEA
-
HEL
14h 50m2 stops
Multiple Airlines Logo
7:40 am - 5:00 pm
HEL
-
SEA
19h 20m2 stops
$526Multiple Airlines
Sun, Jan 25 - Thu, Jan 29
Turkish Airlines Logo
7:00 pm - 3:00 pm
SEA
-
OUL
58h 00m2 stops
Turkish Airlines Logo
8:55 am - 5:05 pm
OUL
-
SEA
42h 10m2 stops
$1,202Turkish Airlines
Mon, Feb 9 - Fri, Feb 13
Finnair Logo
1:35 pm - 5:25 pm
SEA
-
OUL
17h 50m2 stops
Finnair Logo
10:25 pm - 7:18 pm
OUL
-
SEA
30h 53m2 stops
$1,454Finnair
Fri, Jan 23 - Sun, Jan 25
Finnair Logo
8:35 am - 5:25 pm
SEA
-
OUL
22h 50m2 stops
Finnair Logo
6:05 pm - 4:55 pm
OUL
-
SEA
56h 50m2 stops
$1,486Finnair
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
2:00 pm - 1:05 am
SEA
-
OUL
25h 05m3 stops
Multiple Airlines Logo
10:55 am - 12:10 pm
OUL
-
SEA
35h 15m3 stops
$2,572Multiple Airlines
Mon, Feb 9 - Fri, Feb 13

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
May 18
SEA2:30 pmSeattle/Tacoma Intl
38h 50m
2 stops
HEL3:20 pmHelsinki-Vantaa
May 25
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$473
Scandinavian Airlines
May 17
SEA9:50 amSeattle/Tacoma Intl
38h 45m
2 stops
HEL10:35 amHelsinki-Vantaa
May 25
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$502
Scandinavian Airlines
May 17
SEA9:50 amSeattle/Tacoma Intl
38h 45m
2 stops
HEL10:35 amHelsinki-Vantaa
May 25
HEL9:15 pmHelsinki-Vantaa
26h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$509

Delta flights from Seattle to Finland

Our best Delta deals on Seattle to Finland flight tickets
Delta
May 3
SEA10:40 pmSeattle/Tacoma Intl
32h 00m
2 stops
HEL4:40 pmHelsinki-Vantaa
May 11
HEL1:55 pmHelsinki-Vantaa
31h 47m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$655
Delta
Jan 18
SEA10:25 amSeattle/Tacoma Intl
20h 00m
2 stops
HEL4:25 pmHelsinki-Vantaa
Jan 25
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$707

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 January 11, 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

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 5/18

2:30 pm-3:20 pm

2 stops38h 50m

Helsinki-Vantaa

Tue 5/26

11:15 am-1:45 pm

1 stop12h 30m

$473

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 5/17

9:50 am-10:35 am

2 stops38h 45m

Helsinki-Vantaa

Mon 5/25

4:00 pm-1:45 pm

1 stop31h 45m

$502

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 1/25

2:35 pm-12:55 pm

1 stop12h 20m

Helsinki-Vantaa

Thu 1/29

1:55 pm-5:00 pm

1 stop13h 05m

$507

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 5/17

9:50 am-10:35 am

2 stops38h 45m

Helsinki-Vantaa

Mon 5/25

9:15 pm-1:45 pm

2 stops26h 30m

$509

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 2/26

2:35 pm-12:55 pm

1 stop12h 20m

Helsinki-Vantaa

Tue 3/3

1:55 pm-5:00 pm

1 stop13h 05m

$514

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 1/25

2:35 pm-3:25 pm

2 stops14h 50m

Helsinki-Vantaa

Thu 1/29

7:40 am-5:00 pm

2 stops19h 20m

$526

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Mon 2/9

7:00 pm-3:00 pm

2 stops58h 00m

Oulu

Fri 2/13

8:55 am-5:05 pm

2 stops42h 10m

$1,202

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-5:25 pm

2 stops17h 50m

Oulu

Sun 1/25

10:25 pm-7:18 pm

2 stops30h 53m

$1,454

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 1/23

8:35 am-5:25 pm

2 stops22h 50m

Oulu

Sun 1/25

6:05 pm-4:55 pm

2 stops56h 50m

$1,486

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Mon 2/9

2:00 pm-1:05 am

3 stops25h 05m

Oulu

Fri 2/13

10:55 am-12:10 pm

3 stops35h 15m

$2,572

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 October to fly from Seattle, when ticket prices are also cheap, with an average price of $571.

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

The cheapest day to depart from Seattle to Finland is on a Monday. Travelers who choose to depart for Finland on a Monday will often find tickets for as low as $921. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Tuesday is $1,054.

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 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 $797 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 $593 on momondo.

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

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl 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

$1,097

Fastest flight time

9h 30m

Direct flights

Mon, Wed and Sat

Airports in Finland

28 airports
The best one-way flight to Finland from Seattle in the past 72 hours is $1,097. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $571.
The fastest flight from Seattle to Finland takes 9h 30m
Direct flights go from Seattle to Finland on Monday, Wednesday and Saturday. 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

  • 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 $322Free CancellationRating
7.3
1,642 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.1
595 reviews
Search Icelandair flights
KLMPriceFrom $536Free CancellationRating
7.7
1,436 reviews
Search KLM flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,105 reviews
Search American Airlines flights
FinnairPriceFrom $657Free CancellationRating
7.6
1,347 reviews
Search Finnair flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,666 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.

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