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Cheap flights from Seattle to Finland from $294

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 10/19. 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
8:00 am - 8:00 pm
SEA
-
HEL
26h 00m
2 stops
Multiple Airlines Logo
8:15 am - 9:07 pm
HEL
-
SEA
22h 52m
2 stops
$569Multiple Airlines
Wed, Aug 19 - Sun, Aug 23
Multiple Airlines Logo
7:00 pm - 11:05 pm
SEA
-
HEL
18h 05m
2 stops
Multiple Airlines Logo
7:05 am - 8:40 pm
HEL
-
SEA
23h 35m
2 stops
$636Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
Multiple Airlines Logo
7:00 pm - 12:40 am
SEA
-
HEL
19h 40m
3 stops
Multiple Airlines Logo
5:30 am - 8:40 pm
HEL
-
SEA
25h 10m
3 stops
$667Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
Multiple Airlines Logo
8:00 am - 12:40 am
SEA
-
HEL
30h 40m
3 stops
Multiple Airlines Logo
9:20 pm - 9:07 pm
HEL
-
SEA
33h 47m
3 stops
$689Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
8:00 am - 3:20 pm
SEA
-
HEL
21h 20m
2 stops
Multiple Airlines Logo
9:20 pm - 9:07 pm
HEL
-
SEA
33h 47m
3 stops
$737Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
7:00 pm - 8:20 am
SEA
-
HEL
27h 20m
3 stops
Multiple Airlines Logo
5:30 am - 8:40 pm
HEL
-
SEA
25h 10m
3 stops
$784Multiple Airlines
Thu, Jun 4 - Wed, Jun 17
Icelandair Logo
3:40 pm - 6:40 pm
SEA
-
HEL
17h 00m
2 stops
Icelandair Logo
11:40 am - 8:40 pm
HEL
-
SEA
19h 00m
2 stops
$822Icelandair
Tue, Sep 1 - Tue, Sep 15
Turkish Airlines Logo
7:10 pm - 11:10 am
SEA
-
HEL
30h 00m
1 stop
Turkish Airlines Logo
7:00 pm - 6:05 pm
HEL
-
SEA
32h 05m
1 stop
$825Turkish Airlines
Sun, Oct 18 - Tue, Oct 27
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
$1,124Turkish Airlines
Wed, Sep 23 - Sun, Sep 27
Finnair Logo
1:45 pm - 4:55 pm
SEA
-
OUL
17h 10m
2 stops
Finnair Logo
10:15 pm - 4:00 pm
OUL
-
SEA
27h 45m
1 stop
$1,549Finnair
Wed, Sep 23 - Sun, Sep 27

Turkish Airlines flights from Seattle to Finland

Our best Turkish Airlines deals on Seattle to Finland flight tickets
Turkish Airlines
Oct 18
SEA7:10 pmSeattle/Tacoma Intl
30h 00m
1 stop
HEL11:10 amHelsinki-Vantaa
Oct 27
HEL7:00 pmHelsinki-Vantaa
32h 05m
1 stop
SEA6:05 pmSeattle/Tacoma Intl
$825
Turkish Airlines
Aug 16
SEA7:10 pmSeattle/Tacoma Intl
18h 45m
1 stop
HEL11:55 pmHelsinki-Vantaa
Aug 28
HEL12:05 pmHelsinki-Vantaa
39h 10m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$854
Turkish Airlines
Aug 30
SEA7:10 pmSeattle/Tacoma Intl
18h 45m
1 stop
HEL11:55 pmHelsinki-Vantaa
Sep 21
HEL8:20 amHelsinki-Vantaa
18h 55m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$862

Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets
Icelandair
Sep 1
SEA3:40 pmSeattle/Tacoma Intl
17h 00m
2 stops
HEL6:40 pmHelsinki-Vantaa
Sep 15
HEL11:40 amHelsinki-Vantaa
19h 00m
2 stops
SEA8:40 pmSeattle/Tacoma Intl
$822
Icelandair
Oct 19
SEA3:40 pmSeattle/Tacoma Intl
18h 05m
2 stops
HEL7:45 pmHelsinki-Vantaa
Oct 26
HEL12:25 pmHelsinki-Vantaa
38h 35m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
$834
Icelandair
Oct 18
SEA7:00 pmSeattle/Tacoma Intl
14h 45m
2 stops
HEL7:45 pmHelsinki-Vantaa
Oct 27
HEL11:10 amHelsinki-Vantaa
15h 50m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
$861

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 May 5, 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

Wed 8/19

8:00 am-8:00 pm

2 stops26h 00m

Helsinki-Vantaa

Sun 8/23

8:15 am-9:07 pm

2 stops22h 52m

$569

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

7:00 pm-11:05 pm

2 stops18h 05m

Helsinki-Vantaa

Mon 8/31

7:05 am-8:40 pm

2 stops23h 35m

$636

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

7:00 pm-12:40 am

3 stops19h 40m

Helsinki-Vantaa

Mon 8/31

5:30 am-8:40 pm

3 stops25h 10m

$667

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/20

8:00 am-12:40 am

3 stops30h 40m

Helsinki-Vantaa

Mon 8/24

9:20 pm-9:07 pm

3 stops33h 47m

$689

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/20

8:00 am-3:20 pm

2 stops21h 20m

Helsinki-Vantaa

Mon 8/24

9:20 pm-9:07 pm

3 stops33h 47m

$737

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 6/4

7:00 pm-8:20 am

3 stops27h 20m

Helsinki-Vantaa

Wed 6/17

5:30 am-8:40 pm

3 stops25h 10m

$784
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/1

3:40 pm-6:40 pm

2 stops17h 00m

Helsinki-Vantaa

Tue 9/15

11:40 am-8:40 pm

2 stops19h 00m

$822

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 10/18

7:10 pm-11:10 am

1 stop30h 00m

Helsinki-Vantaa

Tue 10/27

7:00 pm-6:05 pm

1 stop32h 05m

$825

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 9/23

7:10 pm-1:35 pm

2 stops32h 25m

Oulu

Sun 9/27

5:35 pm-5:15 pm

2 stops33h 40m

$1,124

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 9/23

1:45 pm-4:55 pm

2 stops17h 10m

Oulu

Sun 9/27

10:15 pm-4:00 pm

1 stop27h 45m

$1,549

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 $322.

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 $777. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Sunday is $1,154.

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 $818 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 $585 on momondo.

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

$471

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 $471. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $1,139.
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

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 $323Free CancellationRating
7.4
1,769 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $424Free CancellationRating
7.0
650 reviews
Search Icelandair flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
KLMPriceFrom $536Free CancellationRating
7.8
1,511 reviews
Search KLM flights
FinnairPriceFrom $700Free CancellationRating
7.6
1,392 reviews
Search Finnair flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,945 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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