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Cheap flights from Seattle to Finland from $271

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 8/24. 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

Discover deals from 900+ travel sites with momondo.

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 - 3:45 pm
SEA
-
HEL
13h 50m
2 stops
Scandinavian Airlines Logo
7:15 am - 1:45 pm
HEL
-
SEA
16h 30m
2 stops
$508Scandinavian Airlines
Tue, Sep 15 - Sat, Sep 19
Multiple Airlines Logo
8:00 am - 4:40 pm
SEA
-
HEL
22h 40m
2 stops
Multiple Airlines Logo
7:05 am - 9:07 pm
HEL
-
SEA
24h 02m
2 stops
$522Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
6:10 am - 1:45 pm
HEL
-
SEA
17h 35m
1 stop
$550Scandinavian Airlines
Sat, Sep 5 - Sat, Sep 12
Scandinavian Airlines Logo
3:55 pm - 6:45 pm
SEA
-
HEL
16h 50m
2 stops
Scandinavian Airlines Logo
1:25 pm - 1:45 pm
HEL
-
SEA
34h 20m
2 stops
$557Scandinavian Airlines
Fri, Oct 2 - Thu, Oct 8
Icelandair Logo
7:00 pm - 1:55 am
SEA
-
HEL
20h 55m
1 stop
Icelandair Logo
3:00 pm - 8:40 pm
HEL
-
SEA
15h 40m
1 stop
$558Icelandair
Fri, Oct 2 - Thu, Oct 15
Icelandair Logo
7:00 pm - 1:55 am
SEA
-
HEL
20h 55m
1 stop
Icelandair Logo
3:00 pm - 5:55 pm
HEL
-
SEA
12h 55m
1 stop
$560Icelandair
Fri, Oct 2 - Thu, Oct 8
Scandinavian Airlines Logo
3:55 pm - 10:35 am
SEA
-
HEL
32h 40m
1 stop
Scandinavian Airlines Logo
9:05 pm - 1:45 pm
HEL
-
SEA
26h 40m
1 stop
$572Scandinavian Airlines
Sat, Sep 5 - Thu, Sep 10
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
9:15 pm - 1:45 pm
HEL
-
SEA
26h 30m
2 stops
$588Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
9:05 pm - 1:45 pm
HEL
-
SEA
26h 40m
1 stop
$589Scandinavian Airlines
Sun, Aug 30 - Mon, Sep 21
Turkish Airlines Logo
7:05 pm - 3:00 pm
SEA
-
OUL
57h 55m
2 stops
Turkish Airlines Logo
8:55 am - 5:10 pm
OUL
-
SEA
42h 15m
2 stops
$1,241Turkish Airlines
Sun, Nov 22 - Thu, Nov 26

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Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets
Icelandair
Oct 2
SEA7:00 pmSeattle/Tacoma Intl
20h 55m
1 stop
HEL1:55 amHelsinki-Vantaa
Oct 15
HEL3:00 pmHelsinki-Vantaa
15h 40m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$558
Icelandair
Oct 2
SEA7:00 pmSeattle/Tacoma Intl
20h 55m
1 stop
HEL1:55 amHelsinki-Vantaa
Oct 8
HEL3:00 pmHelsinki-Vantaa
12h 55m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$560
Icelandair
Oct 2
SEA7:00 pmSeattle/Tacoma Intl
20h 55m
1 stop
HEL1:55 amHelsinki-Vantaa
Oct 16
HEL3:00 pmHelsinki-Vantaa
15h 40m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$690

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Sep 15
SEA3:55 pmSeattle/Tacoma Intl
13h 50m
2 stops
HEL3:45 pmHelsinki-Vantaa
Sep 19
HEL7:15 amHelsinki-Vantaa
16h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$508
Scandinavian Airlines
Sep 5
SEA3:55 pmSeattle/Tacoma Intl
13h 25m
1 stop
HEL3:20 pmHelsinki-Vantaa
Sep 12
HEL6:10 amHelsinki-Vantaa
17h 35m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$550
Scandinavian Airlines
Oct 2
SEA3:55 pmSeattle/Tacoma Intl
16h 50m
2 stops
HEL6:45 pmHelsinki-Vantaa
Oct 8
HEL1:25 pmHelsinki-Vantaa
34h 20m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$557

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 July 15, 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
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-3:45 pm

2 stops13h 50m

Helsinki-Vantaa

Sat 9/19

7:15 am-1:45 pm

2 stops16h 30m

$508

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 8/18

8:00 am-4:40 pm

2 stops22h 40m

Helsinki-Vantaa

Tue 8/25

7:05 am-9:07 pm

2 stops24h 02m

$522

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 9/5

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Sat 9/12

6:10 am-1:45 pm

1 stop17h 35m

$550

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-6:45 pm

2 stops16h 50m

Helsinki-Vantaa

Thu 10/8

1:25 pm-1:45 pm

2 stops34h 20m

$557

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 10/2

7:00 pm-1:55 am

1 stop20h 55m

Helsinki-Vantaa

Thu 10/15

3:00 pm-8:40 pm

1 stop15h 40m

$558

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 10/2

7:00 pm-1:55 am

1 stop20h 55m

Helsinki-Vantaa

Thu 10/8

3:00 pm-5:55 pm

1 stop12h 55m

$560

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 9/5

3:55 pm-10:35 am

1 stop32h 40m

Helsinki-Vantaa

Thu 9/10

9:05 pm-1:45 pm

1 stop26h 40m

$572

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Mon 9/21

9:15 pm-1:45 pm

2 stops26h 30m

$588

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Mon 9/21

9:05 pm-1:45 pm

1 stop26h 40m

$589

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sun 11/22

7:05 pm-3:00 pm

2 stops57h 55m

Oulu

Thu 11/26

8:55 am-5:10 pm

2 stops42h 15m

$1,241

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 $628. 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 $1,193.

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 $878 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 $600 on momondo.

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

There are 3 cabin classes available to choose from on Seattle 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?

You could potentially save up to 32% on your flight if you consider stops on a Seattle to Finland flight.

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

$394

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 $394. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $1,297.
The fastest flight from Seattle to Finland takes 9h 30m
Direct flights go from Seattle to Finland on Monday, Tuesday, Wednesday, Saturday and Sunday. 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
1,882 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $517Free CancellationRating
7.0
709 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.8
8,473 reviews
Search Delta flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
8,116 reviews
Search British Airways flights
FinnairPriceFrom $790Free CancellationRating
7.6
1,420 reviews
Search Finnair flights
LufthansaPriceFrom $852Free CancellationRating
6.8
8,136 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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