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Cheap flights from Seattle to Finland from $193

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 4/28. 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

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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
3:55 pm - 10:35 am
SEA
-
HEL
32h 40m
1 stop
Scandinavian Airlines Logo
4:00 pm - 1:45 pm
HEL
-
SEA
31h 45m
1 stop
$427Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Scandinavian Airlines Logo
3:55 pm - 10:35 am
SEA
-
HEL
32h 40m
1 stop
Scandinavian Airlines Logo
4:00 pm - 1:45 pm
HEL
-
SEA
31h 45m
1 stop
$444Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Scandinavian Airlines Logo
3:55 pm - 11:50 pm
SEA
-
HEL
21h 55m
2 stops
Scandinavian Airlines Logo
4:00 pm - 1:45 pm
HEL
-
SEA
31h 45m
1 stop
$445Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Scandinavian Airlines Logo
3:55 pm - 11:50 pm
SEA
-
HEL
21h 55m
2 stops
Scandinavian Airlines Logo
11:05 am - 1:45 pm
HEL
-
SEA
36h 40m
2 stops
$450Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Turkish Airlines Logo
7:10 pm - 1:35 pm
SEA
-
OUL
32h 25m
2 stops
Turkish Airlines Logo
5:35 pm - 5:15 pm
OUL
-
SEA
33h 40m
2 stops
$1,051Turkish Airlines
Mon, Apr 27 - Mon, May 4
Turkish Airlines Logo
7:10 pm - 1:35 pm
SEA
-
OUL
32h 25m
2 stops
Turkish Airlines Logo
5:35 pm - 5:15 pm
OUL
-
SEA
33h 40m
2 stops
$1,072Turkish Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
8:20 pm - 11:50 pm
SEA
-
OUL
17h 30m
2 stops
Multiple Airlines Logo
10:15 pm - 4:00 pm
OUL
-
SEA
27h 45m
1 stop
$1,157Multiple Airlines
Mon, Apr 27 - Mon, May 4
Finnair Logo
1:35 pm - 9:35 pm
SEA
-
OUL
22h 00m
2 stops
Finnair Logo
10:50 am - 11:39 pm
OUL
-
SEA
22h 49m
2 stops
$1,166Finnair
Wed, May 27 - Thu, Jun 4
Multiple Airlines Logo
7:00 pm - 1:25 am
SEA
-
OUL
20h 25m
3 stops
Multiple Airlines Logo
5:00 am - 5:55 pm
OUL
-
SEA
46h 55m
3 stops
$1,186Multiple Airlines
Wed, May 27 - Fri, Jun 5
Finnair Logo
5:40 pm - 3:30 pm
SEA
-
OUL
11h 50m
1 stop
Finnair Logo
10:50 am - 4:00 pm
OUL
-
SEA
15h 10m
1 stop
$1,268Finnair
Tue, May 26 - Fri, Jun 5

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets
Turkish Airlines
Mar 21
SEA8:00 pmSeattle/Tacoma Intl
30h 35m
1 stop
HEL11:35 amHelsinki-Vantaa
Mar 30
HEL12:05 pmHelsinki-Vantaa
39h 10m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$842
Turkish Airlines
Apr 27
SEA7:10 pmSeattle/Tacoma Intl
32h 25m
2 stops
OUL1:35 pmOulu
May 4
OUL5:35 pmOulu
33h 40m
2 stops
SEA5:15 pmSeattle/Tacoma Intl
$1,051
Turkish Airlines
Mar 21
SEA8:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
Mar 30
HEL8:20 amHelsinki-Vantaa
46h 37m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
$1,053

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Aug 30
SEA3:55 pmSeattle/Tacoma Intl
32h 40m
1 stop
HEL10:35 amHelsinki-Vantaa
Sep 21
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$427
Scandinavian Airlines
Aug 30
SEA3:55 pmSeattle/Tacoma Intl
32h 40m
1 stop
HEL10:35 amHelsinki-Vantaa
Sep 21
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$444
Scandinavian Airlines
Aug 30
SEA3:55 pmSeattle/Tacoma Intl
21h 55m
2 stops
HEL11:50 pmHelsinki-Vantaa
Sep 21
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$445

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 March 13, 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

Sun 8/30

3:55 pm-10:35 am

1 stop32h 40m

Helsinki-Vantaa

Mon 9/21

4:00 pm-1:45 pm

1 stop31h 45m

$427

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-10:35 am

1 stop32h 40m

Helsinki-Vantaa

Mon 9/21

4:00 pm-1:45 pm

1 stop31h 45m

$444

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-11:50 pm

2 stops21h 55m

Helsinki-Vantaa

Mon 9/21

4:00 pm-1:45 pm

1 stop31h 45m

$445

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-11:50 pm

2 stops21h 55m

Helsinki-Vantaa

Mon 9/21

11:05 am-1:45 pm

2 stops36h 40m

$450

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Mon 4/27

7:10 pm-1:35 pm

2 stops32h 25m

Oulu

Mon 5/4

5:35 pm-5:15 pm

2 stops33h 40m

$1,051

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 4/24

7:10 pm-1:35 pm

2 stops32h 25m

Oulu

Fri 5/1

5:35 pm-5:15 pm

2 stops33h 40m

$1,072

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Mon 4/27

8:20 pm-11:50 pm

2 stops17h 30m

Oulu

Mon 5/4

10:15 pm-4:00 pm

1 stop27h 45m

$1,157

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 5/27

1:35 pm-9:35 pm

2 stops22h 00m

Oulu

Thu 6/4

10:50 am-11:39 pm

2 stops22h 49m

$1,166

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 5/27

7:00 pm-1:25 am

3 stops20h 25m

Oulu

Fri 6/5

5:00 am-5:55 pm

3 stops46h 55m

$1,186
Quickest round-trip

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 5/26

5:40 pm-3:30 pm

1 stop11h 50m

Oulu

Fri 6/5

10:50 am-4:00 pm

1 stop15h 10m

$1,268

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 $570.

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

The cheapest day to depart from Seattle to Finland is on a Tuesday. Travelers who choose to depart for Finland on a Tuesday will often find tickets for as low as $809. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Saturday is $971.

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 $778 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 $534 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

$307

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 $307. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $755.
The fastest flight from Seattle to Finland takes 9h 30m
Direct flights go from Seattle to Finland on Monday, Tuesday, Wednesday, Saturday and Sunday. The only airline offering direct flights is Finnair.
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 $323Free CancellationRating
7.3
1,712 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.1
620 reviews
Search Icelandair flights
American AirlinesPriceFrom $601Free CancellationRating
7.1
11,446 reviews
Search American Airlines flights
FinnairPriceFrom $654Free CancellationRating
7.6
1,371 reviews
Search Finnair flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,784 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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