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Cheap flights from Seattle to Finland from $339

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 11/23. 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.
Scandinavian Airlines Logo
7:10 am - 3:25 pmSEA-HEL
22h 15m2 stops
Scandinavian Airlines Logo
6:15 am - 10:52 pmHEL-SEA
26h 37m2 stops
$513Scandinavian Airlines
Find Deal
Wed, Jan 21 - Sat, Feb 7
Scandinavian Airlines Logo
11:31 am - 3:25 pmSEA-HEL
17h 54m2 stops
Scandinavian Airlines Logo
6:10 am - 1:45 pmHEL-SEA
17h 35m1 stop
$530Scandinavian Airlines
Find Deal
Fri, Feb 27 - Fri, May 22
Scandinavian Airlines Logo
7:10 am - 3:25 pmSEA-HEL
22h 15m2 stops
Scandinavian Airlines Logo
6:15 am - 9:59 pmHEL-SEA
25h 44m2 stops
$536Scandinavian Airlines
Find Deal
Wed, Jan 21 - Sun, Feb 8
Scandinavian Airlines Logo
11:30 am - 3:25 pmSEA-HEL
17h 55m2 stops
Scandinavian Airlines Logo
11:20 am - 11:23 pmHEL-SEA
22h 03m2 stops
$537Scandinavian Airlines
Find Deal
Thu, Jan 22 - Thu, Feb 12
Scandinavian Airlines Logo
2:02 pm - 1:35 amSEA-HEL
25h 33m2 stops
Scandinavian Airlines Logo
7:00 am - 6:58 pmHEL-SEA
21h 58m3 stops
$543Scandinavian Airlines
Find Deal
Wed, Jan 21 - Sun, Feb 8
Turkish Airlines Logo
7:00 pm - 3:00 pmSEA-OUL
34h 00m2 stops
Turkish Airlines Logo
3:25 pm - 5:05 pmOUL-SEA
35h 40m2 stops
$1,108Turkish Airlines
Find Deal
Sun, Dec 28 - Mon, Jan 12
Turkish Airlines Logo
7:00 pm - 9:10 pmSEA-OUL
40h 10m2 stops
Turkish Airlines Logo
3:25 pm - 5:05 pmOUL-SEA
35h 40m2 stops
$1,177Turkish Airlines
Find Deal
Sat, Dec 27 - Mon, Jan 12
Multiple Airlines Logo
3:10 pm - 1:25 amSEA-OUL
24h 15m3 stops
Multiple Airlines Logo
9:00 pm - 10:16 pmOUL-SEA
35h 16m3 stops
$1,292Multiple Airlines
Find Deal
Sun, Dec 28 - Mon, Jan 12
Finnair Logo
1:48 pm - 8:30 pmSEA-OUL
21h 42m2 stops
Finnair Logo
6:35 pm - 11:08 pmOUL-SEA
38h 33m2 stops
$1,358Finnair
Find Deal
Sat, Mar 28 - Wed, Apr 1
Multiple Airlines Logo
1:07 am - 1:05 amSEA-OUL
37h 58m2 stops
Multiple Airlines Logo
9:40 pm - 8:45 pmOUL-SEA
33h 05m2 stops
$1,438Multiple Airlines
Find Deal
Fri, Dec 26 - Mon, Jan 12

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Jan 21
SEA7:10 amSeattle/Tacoma Intl
22h 15m
2 stops
HEL3:25 pmHelsinki-Vantaa
Feb 7
HEL6:15 amHelsinki-Vantaa
26h 37m
2 stops
SEA10:52 pmSeattle/Tacoma Intl
$513
Find similar
Scandinavian Airlines
Feb 27
SEA11:31 amSeattle/Tacoma Intl
17h 54m
2 stops
HEL3:25 pmHelsinki-Vantaa
May 22
HEL6:10 amHelsinki-Vantaa
17h 35m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$530
Find similar
Scandinavian Airlines
Jan 21
SEA7:10 amSeattle/Tacoma Intl
22h 15m
2 stops
HEL3:25 pmHelsinki-Vantaa
Feb 8
HEL6:15 amHelsinki-Vantaa
25h 44m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$536
Find similar

Icelandair flights from Seattle to Finland

Our best Icelandair deals on Seattle to Finland flight tickets
Icelandair
Nov 27
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 10
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$642
Find similar
Icelandair
Jan 8
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Jan 17
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$647
Find similar
Icelandair
Nov 30
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 6
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$653
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 November 13, 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 1/21

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Sat 2/7

6:15 am-10:52 pm

2 stops26h 37m

$513

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

11:31 am-3:25 pm

2 stops17h 54m

Helsinki-Vantaa

Fri 5/22

6:10 am-1:45 pm

1 stop17h 35m

$530

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Sun 2/8

6:15 am-9:59 pm

2 stops25h 44m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

11:30 am-3:25 pm

2 stops17h 55m

Helsinki-Vantaa

Thu 2/12

11:20 am-11:23 pm

2 stops22h 03m

$537

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

2:02 pm-1:35 am

2 stops25h 33m

Helsinki-Vantaa

Sun 2/8

7:00 am-6:58 pm

3 stops21h 58m

$543

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sun 12/28

7:00 pm-3:00 pm

2 stops34h 00m

Oulu

Mon 1/12

3:25 pm-5:05 pm

2 stops35h 40m

$1,108

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sat 12/27

7:00 pm-9:10 pm

2 stops40h 10m

Oulu

Mon 1/12

3:25 pm-5:05 pm

2 stops35h 40m

$1,177

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sun 12/28

3:10 pm-1:25 am

3 stops24h 15m

Oulu

Mon 1/12

9:00 pm-10:16 pm

3 stops35h 16m

$1,292

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sat 3/28

1:48 pm-8:30 pm

2 stops21h 42m

Oulu

Wed 4/1

6:35 pm-11:08 pm

2 stops38h 33m

$1,358

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 12/26

1:07 am-1:05 am

2 stops37h 58m

Oulu

Mon 1/12

9:40 pm-8:45 pm

2 stops33h 05m

$1,438

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 $571.

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 $912. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Tuesday is $1,118.

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 $959.

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 $822 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 $597 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?

You could potentially save up to 8% 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

$744

Direct flights

None
The best one-way flight to Finland from Seattle in the past 72 hours is $744. The best round-trip flight deal from Seattle to Finland found on momondo in the last 72 hours is $1,700.
There are no direct flights from Seattle to Finland. There are no popular flight routes from Seattle to Finland.
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
1,575 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $431Free CancellationRating
7.1
578 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.9
8,007 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.7
1,411 reviews
Search KLM flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
FinnairPriceFrom $662Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
LufthansaPriceFrom $721Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,521 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.

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