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Cheap flights from Seattle to Finland from $342

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 11/18. 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
2:04 pm - 8:20 pmSEA-HEL
20h 16m2 stops
Scandinavian Airlines Logo
7:15 am - 1:45 pmHEL-SEA
40h 30m2 stops
$436Scandinavian Airlines
Find Deal
Fri, Feb 27 - Fri, May 22
Scandinavian Airlines Logo
7:10 am - 10:40 amSEA-HEL
41h 30m2 stops
Scandinavian Airlines Logo
9:15 pm - 1:45 pmHEL-SEA
50h 30m2 stops
$477Scandinavian Airlines
Find Deal
Fri, Feb 27 - Wed, May 20
Multiple Airlines Logo
2:35 pm - 7:20 pmSEA-HEL
18h 45m2 stops
Multiple Airlines Logo
7:40 am - 5:00 pmHEL-SEA
19h 20m2 stops
$491Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Scandinavian Airlines Logo
7:10 am - 3:25 pmSEA-HEL
22h 15m2 stops
Scandinavian Airlines Logo
11:20 am - 10:52 pmHEL-SEA
21h 32m2 stops
$512Scandinavian Airlines
Find Deal
Wed, Jan 21 - Sat, Feb 7
Multiple Airlines Logo
3:00 pm - 1:35 amSEA-HEL
25h 35m2 stops
Multiple Airlines Logo
4:05 pm - 6:00 pmHEL-SEA
34h 55m2 stops
$523Multiple Airlines
Find Deal
Sun, Mar 8 - Mon, Mar 23
Scandinavian Airlines Logo
11:30 am - 3:25 pmSEA-HEL
17h 55m2 stops
Scandinavian Airlines Logo
11:20 am - 10:25 pmHEL-SEA
21h 05m2 stops
$535Scandinavian Airlines
Find Deal
Thu, Jan 22 - Thu, Feb 12
Scandinavian Airlines Logo
7:10 am - 10:40 amSEA-HEL
17h 30m2 stops
Scandinavian Airlines Logo
6:15 am - 10:25 pmHEL-SEA
26h 10m2 stops
$536Scandinavian Airlines
Find Deal
Thu, Jan 22 - Tue, Feb 10
Icelandair Logo
2:35 pm - 12:55 pmSEA-HEL
12h 20m1 stop
Icelandair Logo
1:55 pm - 5:00 pmHEL-SEA
13h 05m1 stop
$638Icelandair
Find Deal
Mon, Nov 17 - Wed, Dec 3
Icelandair Logo
2:35 pm - 12:55 pmSEA-HEL
12h 20m1 stop
Icelandair Logo
1:55 pm - 5:00 pmHEL-SEA
13h 05m1 stop
$640Icelandair
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Mon, Nov 17 - Wed, Dec 3
Finnair Logo
1:48 pm - 10:50 pmSEA-OUL
24h 02m2 stops
Finnair Logo
2:15 pm - 11:08 pmOUL-SEA
18h 53m2 stops
$1,356Finnair
Find Deal
Sat, Mar 28 - Wed, Apr 1

Lufthansa flights from Seattle to Finland

Our best Lufthansa deals on Seattle to Finland flight tickets
Lufthansa
Nov 16
SEA3:10 pmSeattle/Tacoma Intl
24h 10m
2 stops
HEL1:20 amHelsinki-Vantaa
Nov 28
HEL6:55 amHelsinki-Vantaa
15h 15m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$522
Find similar
Lufthansa
Nov 16
SEA3:10 pmSeattle/Tacoma Intl
17h 40m
1 stop
HEL6:50 pmHelsinki-Vantaa
Nov 28
HEL6:55 amHelsinki-Vantaa
15h 15m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$756
Find similar
Lufthansa
Nov 16
SEA3:10 pmSeattle/Tacoma Intl
24h 10m
2 stops
HEL1:20 amHelsinki-Vantaa
Nov 28
HEL6:55 amHelsinki-Vantaa
15h 15m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$803
Find similar

Scandinavian Airlines flights from Seattle to Finland

Our best Scandinavian Airlines deals on Seattle to Finland flight tickets
Scandinavian Airlines
Feb 27
SEA2:04 pmSeattle/Tacoma Intl
20h 16m
2 stops
HEL8:20 pmHelsinki-Vantaa
May 22
HEL7:15 amHelsinki-Vantaa
40h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$436
Find similar
Scandinavian Airlines
Feb 27
SEA7:10 amSeattle/Tacoma Intl
41h 30m
2 stops
HEL10:40 amHelsinki-Vantaa
May 20
HEL9:15 pmHelsinki-Vantaa
50h 30m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$477
Find similar
Scandinavian Airlines
Jan 21
SEA7:10 amSeattle/Tacoma Intl
22h 15m
2 stops
HEL3:25 pmHelsinki-Vantaa
Feb 7
HEL11:20 amHelsinki-Vantaa
21h 32m
2 stops
SEA10:52 pmSeattle/Tacoma Intl
$512
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 6, 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

Fri 2/27

2:04 pm-8:20 pm

2 stops20h 16m

Helsinki-Vantaa

Fri 5/22

7:15 am-1:45 pm

2 stops40h 30m

$436

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

7:10 am-10:40 am

2 stops41h 30m

Helsinki-Vantaa

Wed 5/20

9:15 pm-1:45 pm

2 stops50h 30m

$477

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Tue 12/2

2:35 pm-7:20 pm

2 stops18h 45m

Helsinki-Vantaa

Tue 12/9

7:40 am-5:00 pm

2 stops19h 20m

$491

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Wed 1/21

7:10 am-3:25 pm

2 stops22h 15m

Helsinki-Vantaa

Sat 2/7

11:20 am-10:52 pm

2 stops21h 32m

$512

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Sun 3/8

3:00 pm-1:35 am

2 stops25h 35m

Helsinki-Vantaa

Mon 3/23

4:05 pm-6:00 pm

2 stops34h 55m

$523

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-10:25 pm

2 stops21h 05m

$535

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Thu 1/22

7:10 am-10:40 am

2 stops17h 30m

Helsinki-Vantaa

Tue 2/10

6:15 am-10:25 pm

2 stops26h 10m

$536

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 11/17

2:35 pm-12:55 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 12/3

1:55 pm-5:00 pm

1 stop13h 05m

$638

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Mon 11/17

2:35 pm-12:55 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 12/3

1:55 pm-5:00 pm

1 stop13h 05m

$640

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Sat 3/28

1:48 pm-10:50 pm

2 stops24h 02m

Oulu

Wed 4/1

2:15 pm-11:08 pm

2 stops18h 53m

$1,356

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 $585.

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 $823 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 $582 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
1,560 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $431Free CancellationRating
7.1
571 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.9
8,001 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.7
1,405 reviews
Search KLM flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
FinnairPriceFrom $662Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
LufthansaPriceFrom $721Free CancellationRating
6.8
7,555 reviews
Search Lufthansa flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,496 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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