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Cheap flights from Seattle to Finland from $224

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 8/27. 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.
Multiple Airlines Logo
8:00 am - 4:40 pm
SEA
-
HEL
22h 40m
2 stops
Multiple Airlines Logo
8:30 am - 10:42 pm
HEL
-
SEA
24h 12m
3 stops
$522Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
8:00 am - 4:40 pm
SEA
-
HEL
22h 40m
2 stops
Multiple Airlines Logo
8:30 am - 10:42 pm
HEL
-
SEA
24h 12m
3 stops
$535Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
8:00 am - 8:00 pm
SEA
-
HEL
26h 00m
2 stops
Multiple Airlines Logo
7:05 am - 9:07 pm
HEL
-
SEA
24h 02m
2 stops
$538Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
3:40 pm - 6:20 pm
SEA
-
HEL
16h 40m
2 stops
Multiple Airlines Logo
7:05 am - 5:55 pm
HEL
-
SEA
20h 50m
2 stops
$587Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Multiple Airlines Logo
7:00 pm - 10:35 pm
SEA
-
HEL
17h 35m
2 stops
Multiple Airlines Logo
9:20 pm - 8:40 pm
HEL
-
SEA
33h 20m
3 stops
$627Multiple Airlines
Thu, Aug 20 - Sun, Aug 30
Multiple Airlines Logo
7:00 pm - 10:35 pm
SEA
-
HEL
17h 35m
2 stops
Multiple Airlines Logo
9:20 pm - 8:40 pm
HEL
-
SEA
33h 20m
3 stops
$628Multiple Airlines
Thu, Aug 20 - Sun, Aug 30
Multiple Airlines Logo
7:00 pm - 12:40 am
SEA
-
HEL
19h 40m
3 stops
Multiple Airlines Logo
5:30 am - 5:55 pm
HEL
-
SEA
22h 25m
3 stops
$642Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Multiple Airlines Logo
8:00 am - 12:40 am
SEA
-
HEL
30h 40m
3 stops
Multiple Airlines Logo
9:15 pm - 11:55 am
HEL
-
SEA
24h 40m
2 stops
$653Multiple Airlines
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
7:00 pm - 8:20 am
SEA
-
HEL
27h 20m
3 stops
Multiple Airlines Logo
9:20 pm - 8:40 pm
HEL
-
SEA
33h 20m
3 stops
$674Multiple Airlines
Thu, Aug 20 - Sun, Aug 30
Air France Logo
1:40 pm - 4:40 pm
SEA
-
HEL
17h 00m
1 stop
Air France Logo
6:20 pm - 11:47 am
HEL
-
SEA
27h 27m
1 stop
$702Air France
Tue, Nov 10 - Mon, Nov 16

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Air France flights from Seattle to Finland

Our best Air France deals on Seattle to Finland flight tickets
Air France
Nov 10
SEA1:40 pmSeattle/Tacoma Intl
17h 00m
1 stop
HEL4:40 pmHelsinki-Vantaa
Nov 16
HEL6:20 pmHelsinki-Vantaa
27h 27m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$702
Air France
Nov 10
SEA1:40 pmSeattle/Tacoma Intl
17h 00m
1 stop
HEL4:40 pmHelsinki-Vantaa
Nov 15
HEL5:35 pmHelsinki-Vantaa
31h 46m
1 stop
SEA3:21 pmSeattle/Tacoma Intl
$722
Air France
Aug 9
SEA5:45 pmSeattle/Tacoma Intl
20h 40m
1 stop
HEL12:25 amHelsinki-Vantaa
Aug 24
HEL7:00 amHelsinki-Vantaa
19h 13m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
$752

KLM flights from Seattle to Finland

Our best KLM deals on Seattle to Finland flight tickets
KLM
Aug 13
SEA5:45 pmSeattle/Tacoma Intl
33h 20m
1 stop
HEL1:05 pmHelsinki-Vantaa
Aug 20
HEL1:55 pmHelsinki-Vantaa
36h 32m
1 stop
SEA4:27 pmSeattle/Tacoma Intl
$765
KLM
Aug 4
SEA5:45 pmSeattle/Tacoma Intl
33h 20m
1 stop
HEL1:05 pmHelsinki-Vantaa
Aug 22
HEL7:00 amHelsinki-Vantaa
14h 37m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$766

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 June 23, 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-4:40 pm

2 stops22h 40m

Helsinki-Vantaa

Wed 8/26

8:30 am-10:42 pm

3 stops24h 12m

$522

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

8:00 am-4:40 pm

2 stops22h 40m

Helsinki-Vantaa

Wed 8/26

8:30 am-10:42 pm

3 stops24h 12m

$535

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

8:00 am-8:00 pm

2 stops26h 00m

Helsinki-Vantaa

Wed 8/26

7:05 am-9:07 pm

2 stops24h 02m

$538
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 10/9

3:40 pm-6:20 pm

2 stops16h 40m

Helsinki-Vantaa

Mon 10/12

7:05 am-5:55 pm

2 stops20h 50m

$587

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/20

7:00 pm-10:35 pm

2 stops17h 35m

Helsinki-Vantaa

Sun 8/30

9:20 pm-8:40 pm

3 stops33h 20m

$627

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/20

7:00 pm-10:35 pm

2 stops17h 35m

Helsinki-Vantaa

Sun 8/30

9:20 pm-8:40 pm

3 stops33h 20m

$628

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 10/9

7:00 pm-12:40 am

3 stops19h 40m

Helsinki-Vantaa

Mon 10/12

5:30 am-5:55 pm

3 stops22h 25m

$642

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 9/3

8:00 am-12:40 am

3 stops30h 40m

Helsinki-Vantaa

Sun 9/13

9:15 pm-11:55 am

2 stops24h 40m

$653

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 8/20

7:00 pm-8:20 am

3 stops27h 20m

Helsinki-Vantaa

Sun 8/30

9:20 pm-8:40 pm

3 stops33h 20m

$674

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 11/10

1:40 pm-4:40 pm

1 stop17h 00m

Helsinki-Vantaa

Mon 11/16

6:20 pm-11:47 am

1 stop27h 27m

$702

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 August to fly from Seattle, when ticket prices are also cheap, with an average price of $309.

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 $1,183.

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 $867 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 $595 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 25% 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

$415

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 $415. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $810.
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
1,848 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $517Free CancellationRating
7.0
683 reviews
Search Icelandair flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
8,064 reviews
Search British Airways flights
FinnairPriceFrom $786Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
LufthansaPriceFrom $852Free CancellationRating
6.8
8,088 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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