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Cheap flights from Seattle to Finland from $327

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 8/26. 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 - 1:30 am
SEA
-
HEL
23h 35m
1 stop
Scandinavian Airlines Logo
4:00 pm - 1:45 pm
HEL
-
SEA
31h 45m
1 stop
$472Scandinavian Airlines
Sun, Sep 27 - Mon, Oct 5
Scandinavian Airlines Logo
3:55 pm - 3:20 pm
SEA
-
HEL
13h 25m
1 stop
Scandinavian Airlines Logo
11:15 am - 1:45 pm
HEL
-
SEA
12h 30m
1 stop
$472Scandinavian Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
8:00 am - 11:05 pm
SEA
-
HEL
29h 05m
2 stops
Multiple Airlines Logo
8:30 am - 9:07 pm
HEL
-
SEA
22h 37m
2 stops
$521Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
8:00 am - 11:05 pm
SEA
-
HEL
29h 05m
2 stops
Multiple Airlines Logo
7:05 am - 10:42 pm
HEL
-
SEA
25h 37m
3 stops
$524Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Icelandair Logo
3:40 pm - 2:00 pm
SEA
-
HEL
12h 20m
1 stop
Icelandair Logo
3:00 pm - 5:55 pm
HEL
-
SEA
12h 55m
1 stop
$827Icelandair
Sat, Oct 17 - Sat, Oct 24
Icelandair Logo
3:40 pm - 2:00 pm
SEA
-
HEL
12h 20m
1 stop
Icelandair Logo
3:00 pm - 5:55 pm
HEL
-
SEA
12h 55m
1 stop
$828Icelandair
Sat, Oct 17 - Sat, Oct 24
Delta Logo
3:25 pm - 4:40 pm
SEA
-
HEL
15h 15m
1 stop
Delta Logo
6:40 am - 11:47 am
HEL
-
SEA
15h 07m
1 stop
$1,019Delta
Mon, Nov 2 - Wed, Nov 18
Delta Logo
1:30 pm - 4:40 pm
SEA
-
HEL
17h 10m
1 stop
Delta Logo
7:00 am - 4:35 pm
HEL
-
SEA
19h 35m
1 stop
$1,020Delta
Tue, Sep 15 - Wed, Sep 23
Finnair Logo
5:40 pm - 1:10 pm
SEA
-
HEL
9h 30mnonstop
Finnair Logo
4:20 pm - 4:00 pm
HEL
-
SEA
9h 40mnonstop
$1,026Finnair
Mon, Sep 7 - Mon, Sep 21
Finnair Logo
5:40 pm - 1:10 pm
SEA
-
HEL
9h 30mnonstop
Finnair Logo
4:20 pm - 4:00 pm
HEL
-
SEA
9h 40mnonstop
$1,034Finnair
Mon, Sep 7 - Mon, Sep 21

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Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Sep 22
SEA3:55 pmSeattle/Tacoma Intl
13h 50m
2 stops
HEL3:45 pmHelsinki-Vantaa
Oct 1
HEL4:00 pmHelsinki-Vantaa
31h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$518
Scandinavian Airlines
Sep 22
SEA3:55 pmSeattle/Tacoma Intl
13h 50m
2 stops
HEL3:45 pmHelsinki-Vantaa
Oct 1
HEL1:25 pmHelsinki-Vantaa
34h 20m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$519
Scandinavian Airlines
Sep 19
SEA3:55 pmSeattle/Tacoma Intl
13h 25m
1 stop
HEL3:20 pmHelsinki-Vantaa
Sep 26
HEL6:10 amHelsinki-Vantaa
17h 35m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$579

Lufthansa flights from Seattle to Finland

Our best Lufthansa deals on Seattle to Finland flight tickets
Lufthansa
Aug 14
SEA6:50 pmSeattle/Tacoma Intl
20h 45m
1 stop
HEL1:35 amHelsinki-Vantaa
Aug 21
HEL6:00 amHelsinki-Vantaa
20h 59m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$1,128
Lufthansa
Aug 7
SEA6:50 pmSeattle/Tacoma Intl
20h 45m
1 stop
HEL1:35 amHelsinki-Vantaa
Aug 24
HEL7:40 pmHelsinki-Vantaa
37h 02m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,148
Lufthansa
Aug 3
SEA2:10 pmSeattle/Tacoma Intl
16h 50m
1 stop
HEL5:00 pmHelsinki-Vantaa
Aug 10
HEL7:40 pmHelsinki-Vantaa
31h 19m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$1,169

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 August 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

Cheapest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-1:30 am

1 stop23h 35m

Helsinki-Vantaa

Mon 10/5

4:00 pm-1:45 pm

1 stop31h 45m

$472

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/29

3:55 pm-3:20 pm

1 stop13h 25m

Helsinki-Vantaa

Tue 10/6

11:15 am-1:45 pm

1 stop12h 30m

$472

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

8:00 am-11:05 pm

2 stops29h 05m

Helsinki-Vantaa

Wed 8/26

8:30 am-9:07 pm

2 stops22h 37m

$521

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 8/19

8:00 am-11:05 pm

2 stops29h 05m

Helsinki-Vantaa

Wed 8/26

7:05 am-10:42 pm

3 stops25h 37m

$524

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 10/17

3:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sat 10/24

3:00 pm-5:55 pm

1 stop12h 55m

$827

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sat 10/17

3:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sat 10/24

3:00 pm-5:55 pm

1 stop12h 55m

$828

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 11/2

3:25 pm-4:40 pm

1 stop15h 15m

Helsinki-Vantaa

Wed 11/18

6:40 am-11:47 am

1 stop15h 07m

$1,019

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 9/15

1:30 pm-4:40 pm

1 stop17h 10m

Helsinki-Vantaa

Wed 9/23

7:00 am-4:35 pm

1 stop19h 35m

$1,020
Quickest round-trip

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 9/7

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Mon 9/21

4:20 pm-4:00 pm

Nonstop9h 40m

$1,026

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 9/7

5:40 pm-1:10 pm

Nonstop9h 30m

Helsinki-Vantaa

Mon 9/21

4:20 pm-4:00 pm

Nonstop9h 40m

$1,034

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 December to fly from Seattle, when ticket prices are also cheap, with an average price of $739.

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 $666. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Thursday is $1,458.

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 $902 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 22% 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

Fastest flight time

9h 30m

Direct flights

Tue, Sat and Sun

Airports in Finland

28 airports
The fastest flight from Seattle to Finland takes 9h 30m
Direct flights go from Seattle to Finland on Tuesday, 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 $334Free CancellationRating
7.4
1,913 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $517Free CancellationRating
7.0
717 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.8
8,493 reviews
Search Delta flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
8,136 reviews
Search British Airways flights
FinnairPriceFrom $790Free CancellationRating
7.7
1,425 reviews
Search Finnair flights
LufthansaPriceFrom $852Free CancellationRating
6.8
8,174 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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