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Cheap flights from Seattle to Finland from $315

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 12/6. 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

Scandinavian Airlines Logo
4:20 pm - 11:35 pmSEA-HEL
21h 15m2 stops
Scandinavian Airlines Logo
6:15 am - 10:25 pmHEL-SEA
25h 10m2 stops
$501Scandinavian Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Logo
3:45 pm - 6:20 pmSEA-HEL
16h 35m2 stops
Logo
7:05 am - 5:50 pmHEL-SEA
44h 45m2 stops
$506
Find Deal
Sun, Oct 5 - Tue, Oct 21
Scandinavian Airlines Logo
4:20 pm - 8:15 pmSEA-HEL
17h 55m1 stop
Scandinavian Airlines Logo
4:05 pm - 2:00 pmHEL-SEA
31h 55m1 stop
$514Scandinavian Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
Scandinavian Airlines Logo
4:20 pm - 3:25 pmSEA-HEL
13h 05m1 stop
Scandinavian Airlines Logo
9:05 pm - 2:00 pmHEL-SEA
26h 55m2 stops
$517Scandinavian Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
Scandinavian Airlines Logo
12:00 pm - 1:35 amSEA-HEL
27h 35m2 stops
Scandinavian Airlines Logo
6:10 am - 10:25 pmHEL-SEA
26h 15m2 stops
$518Scandinavian Airlines
Find Deal
Fri, Feb 27 - Tue, May 12
Scandinavian Airlines Logo
2:25 pm - 8:15 pmSEA-HEL
19h 50m2 stops
Scandinavian Airlines Logo
10:20 am - 2:00 pmHEL-SEA
37h 40m2 stops
$533Scandinavian Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
Logo
2:35 pm - 10:25 pmSEA-HEL
21h 50m2 stops
Logo
7:40 am - 5:00 pmHEL-SEA
19h 20m2 stops
$538
Find Deal
Tue, Dec 2 - Mon, Dec 15
Turkish Airlines Logo
7:00 pm - 6:05 pmSEA-HEL
37h 05m1 stop
Turkish Airlines Logo
7:00 pm - 5:05 pmHEL-SEA
32h 05m1 stop
$626Turkish Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 12
Turkish Airlines Logo
12:30 pm - 6:40 pmSEA-HEL
20h 10m1 stop
Turkish Airlines Logo
7:35 pm - 10:35 amHEL-SEA
25h 00m1 stop
$629Turkish Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 15
Turkish Airlines Logo
7:00 pm - 11:35 amSEA-HEL
30h 35m1 stop
Turkish Airlines Logo
7:00 pm - 5:05 pmHEL-SEA
32h 05m1 stop
$639Turkish Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Oct 22
SEA4:20 pmSeattle/Tacoma Intl
21h 15m
2 stops
HEL11:35 pmHelsinki-Vantaa
Oct 29
HEL6:15 amHelsinki-Vantaa
25h 10m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
$501
Find similar
Scandinavian Airlines
Oct 5
SEA4:20 pmSeattle/Tacoma Intl
17h 55m
1 stop
HEL8:15 pmHelsinki-Vantaa
Oct 21
HEL4:05 pmHelsinki-Vantaa
31h 55m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$514
Find similar
Scandinavian Airlines
Oct 5
SEA4:20 pmSeattle/Tacoma Intl
13h 05m
1 stop
HEL3:25 pmHelsinki-Vantaa
Oct 21
HEL9:05 pmHelsinki-Vantaa
26h 55m
2 stops
SEA2:00 pmSeattle/Tacoma Intl
$517
Find similar

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets
Turkish Airlines
Sep 24
SEA7:10 pmSeattle/Tacoma Intl
30h 30m
1 stop
HEL11:40 amHelsinki-Vantaa
Oct 1
HEL7:35 pmHelsinki-Vantaa
25h 00m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$619
Find similar
Turkish Airlines
Nov 6
SEA7:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
Nov 12
HEL7:00 pmHelsinki-Vantaa
32h 05m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
$626
Find similar
Turkish Airlines
Oct 9
SEA12:30 pmSeattle/Tacoma Intl
20h 10m
1 stop
HEL6:40 pmHelsinki-Vantaa
Oct 15
HEL7:35 pmHelsinki-Vantaa
25h 00m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$629
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 September 15, 2025.
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

Wed 10/22

4:20 pm-11:35 pm

2 stops21h 15m

Helsinki-Vantaa

Wed 10/29

6:15 am-10:25 pm

2 stops25h 10m

$501

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 10/5

3:45 pm-6:20 pm

2 stops16h 35m

Helsinki-Vantaa

Tue 10/21

7:05 am-5:50 pm

2 stops44h 45m

$506

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 10/5

4:20 pm-8:15 pm

1 stop17h 55m

Helsinki-Vantaa

Tue 10/21

4:05 pm-2:00 pm

1 stop31h 55m

$514

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 10/5

4:20 pm-3:25 pm

1 stop13h 05m

Helsinki-Vantaa

Tue 10/21

9:05 pm-2:00 pm

2 stops26h 55m

$517

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

12:00 pm-1:35 am

2 stops27h 35m

Helsinki-Vantaa

Tue 5/12

6:10 am-10:25 pm

2 stops26h 15m

$518

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/30

2:25 pm-8:15 pm

2 stops19h 50m

Helsinki-Vantaa

Tue 10/7

10:20 am-2:00 pm

2 stops37h 40m

$533

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 12/2

2:35 pm-10:25 pm

2 stops21h 50m

Helsinki-Vantaa

Mon 12/15

7:40 am-5:00 pm

2 stops19h 20m

$538

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 11/6

7:00 pm-6:05 pm

1 stop37h 05m

Helsinki-Vantaa

Wed 11/12

7:00 pm-5:05 pm

1 stop32h 05m

$626

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 10/9

12:30 pm-6:40 pm

1 stop20h 10m

Helsinki-Vantaa

Wed 10/15

7:35 pm-10:35 am

1 stop25h 00m

$629

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 11/5

7:00 pm-11:35 am

1 stop30h 35m

Helsinki-Vantaa

Wed 11/12

7:00 pm-5:05 pm

1 stop32h 05m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $554.

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

The cheapest day to depart from Seattle to Finland is on a Sunday. Travelers who choose to depart for Finland on a Sunday will often find tickets for as low as $911. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Friday is $1,086.

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

The cheapest time of day to fly to Finland is in the morning when flights can be purchased for as low as $788. In contrast, the most expensive time of day to depart to Finland is in the afternoon when prices are around $980.

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 $814 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 $623 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

$447

Direct flights

None
The best one-way flight to Finland from Seattle in the past 72 hours is $447. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $588.
There are no direct flights from Seattle to Finland. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Helsinki-Vantaa Airport.
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
1,484 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.0
544 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.9
7,954 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom $574Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom $662Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
LufthansaPriceFrom $696Free CancellationRating
6.8
7,407 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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