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Cheap flights from Seattle to Finland from $299

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 5/5. 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.
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
$515Multiple Airlines
Thu, Jan 15 - Wed, Jan 28
Multiple Airlines Logo
2:35 pm - 12:30 am
SEA
-
HEL
23h 55m3 stops
Multiple Airlines Logo
7:40 am - 5:00 pm
HEL
-
SEA
19h 20m2 stops
$556Multiple Airlines
Thu, Jan 15 - Wed, Jan 28
Scandinavian Airlines Logo
11:45 am - 10:35 am
SEA
-
HEL
36h 50m2 stops
Scandinavian Airlines Logo
6:10 am - 1:45 pm
HEL
-
SEA
17h 35m1 stop
$603Scandinavian Airlines
Tue, May 5 - Tue, May 26
Scandinavian Airlines Logo
7:30 am - 3:25 pm
SEA
-
HEL
21h 55m2 stops
Scandinavian Airlines Logo
9:00 pm - 10:22 pm
HEL
-
SEA
35h 22m2 stops
$621Scandinavian Airlines
Thu, Feb 26 - Tue, Mar 3
Scandinavian Airlines Logo
11:45 am - 3:20 pm
SEA
-
HEL
41h 35m2 stops
Scandinavian Airlines Logo
4:00 pm - 11:58 pm
HEL
-
SEA
41h 58m2 stops
$628Scandinavian Airlines
Sun, Apr 19 - Sun, May 3
Scandinavian Airlines Logo
2:02 pm - 8:20 pm
SEA
-
HEL
20h 18m2 stops
Scandinavian Airlines Logo
11:20 am - 10:25 pm
HEL
-
SEA
21h 05m2 stops
$630Scandinavian Airlines
Tue, Feb 10 - Tue, Feb 17
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
$640Icelandair
Tue, Feb 10 - Tue, Feb 17
Scandinavian Airlines Logo
2:02 pm - 1:35 am
SEA
-
HEL
25h 33m2 stops
Scandinavian Airlines Logo
11:20 am - 10:13 pm
HEL
-
SEA
20h 53m2 stops
$643Scandinavian Airlines
Wed, Jan 21 - Sun, Feb 8
Finnair Logo
1:35 pm - 5:25 pm
SEA
-
OUL
17h 50m2 stops
Finnair Logo
6:05 pm - 11:30 am
OUL
-
SEA
51h 25m2 stops
$1,819Finnair
Fri, Jan 23 - Sun, Jan 25
Finnair Logo
1:35 pm - 5:25 pm
SEA
-
OUL
17h 50m2 stops
Finnair Logo
6:05 pm - 4:55 pm
OUL
-
SEA
56h 50m2 stops
$1,822Finnair
Fri, Jan 23 - Sun, Jan 25

Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets
Icelandair
Feb 10
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 17
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$640
Find similar
Icelandair
Jan 15
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Jan 28
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$643
Find similar
Icelandair
Jan 23
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 8
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$655
Find similar

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
May 5
SEA11:45 amSeattle/Tacoma Intl
36h 50m
2 stops
HEL10:35 amHelsinki-Vantaa
May 26
HEL6:10 amHelsinki-Vantaa
17h 35m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$603
Find similar
Scandinavian Airlines
Feb 26
SEA7:30 amSeattle/Tacoma Intl
21h 55m
2 stops
HEL3:25 pmHelsinki-Vantaa
Mar 3
HEL9:00 pmHelsinki-Vantaa
35h 22m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
$621
Find similar
Scandinavian Airlines
Apr 19
SEA11:45 amSeattle/Tacoma Intl
41h 35m
2 stops
HEL3:20 pmHelsinki-Vantaa
May 3
HEL4:00 pmHelsinki-Vantaa
41h 58m
2 stops
SEA11:58 pmSeattle/Tacoma Intl
$628
Find similar

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 2, 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

Thu 1/15

2:35 pm-3:25 pm

2 stops14h 50m

Helsinki-Vantaa

Wed 1/28

7:40 am-5:00 pm

2 stops19h 20m

$515

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/15

2:35 pm-12:30 am

3 stops23h 55m

Helsinki-Vantaa

Wed 1/28

7:40 am-5:00 pm

2 stops19h 20m

$556

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 5/5

11:45 am-10:35 am

2 stops36h 50m

Helsinki-Vantaa

Tue 5/26

6:10 am-1:45 pm

1 stop17h 35m

$603

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 2/26

7:30 am-3:25 pm

2 stops21h 55m

Helsinki-Vantaa

Tue 3/3

9:00 pm-10:22 pm

2 stops35h 22m

$621

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 4/19

11:45 am-3:20 pm

2 stops41h 35m

Helsinki-Vantaa

Sun 5/3

4:00 pm-11:58 pm

2 stops41h 58m

$628

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 2/10

2:02 pm-8:20 pm

2 stops20h 18m

Helsinki-Vantaa

Tue 2/17

11:20 am-10:25 pm

2 stops21h 05m

$630

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-12:55 pm

1 stop12h 20m

Helsinki-Vantaa

Tue 2/17

1:55 pm-5:00 pm

1 stop13h 05m

$640

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

2:02 pm-1:35 am

2 stops25h 33m

Helsinki-Vantaa

Sun 2/8

11:20 am-10:13 pm

2 stops20h 53m

$643

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-5:25 pm

2 stops17h 50m

Oulu

Sun 1/25

6:05 pm-11:30 am

2 stops51h 25m

$1,819

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-5:25 pm

2 stops17h 50m

Oulu

Sun 1/25

6:05 pm-4:55 pm

2 stops56h 50m

$1,822

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 $915. 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 $811 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 $597 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 $597.
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
7.4
1,629 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.1
593 reviews
Search Icelandair flights
KLMPriceFrom $536Free CancellationRating
7.7
1,435 reviews
Search KLM flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,081 reviews
Search American Airlines flights
FinnairPriceFrom $657Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,642 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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