Cheap flights from Seattle to Finland from $343
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 10/11. 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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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
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Mon 11/16
7:45 am-10:25 pm
3 stops28h 40m
Helsinki-Vantaa
Mon 11/23
7:50 pm-6:22 pm
3 stops32h 32m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Mon 11/16
7:45 am-10:25 pm
3 stops28h 40m
Helsinki-Vantaa
Mon 11/23
7:50 pm-6:22 pm
3 stops32h 32m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Wed 12/2
3:21 pm-10:30 am
2 stops33h 09m
Helsinki-Vantaa
Thu 12/10
6:15 am-10:02 pm
2 stops25h 47m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Sun 1/10
7:20 am-10:35 am
2 stops41h 15m
Helsinki-Vantaa
Mon 1/18
4:05 pm-12:09 am
2 stops42h 04m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Thu 10/22
7:00 pm-2:00 pm
1 stop33h 00m
Helsinki-Vantaa
Thu 11/5
2:00 pm-5:00 pm
1 stop13h 00m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Fri 2/5
2:35 pm-1:00 pm
1 stop12h 25m
Helsinki-Vantaa
Tue 2/16
11:10 am-5:00 pm
2 stops15h 50m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Tue 11/10
4:05 pm-4:40 pm
1 stop14h 35m
Helsinki-Vantaa
Tue 11/17
6:40 am-11:47 am
1 stop15h 07m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Tue 11/17
4:05 pm-4:40 pm
1 stop14h 35m
Helsinki-Vantaa
Mon 11/30
2:05 pm-11:50 am
1 stop31h 45m
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Wed 12/16
10:27 am-11:40 am
1 stop15h 13m
Helsinki-Vantaa
Thu 1/7
12:30 pm-8:02 pm
1 stop17h 32m
SeattleRovaniemi
SEA Seattle/Tacoma Intl - RVN Rovaniemi
SEARVN
Seattle/Tacoma Intl
Fri 1/8
1:13 pm-5:45 pm
2 stops18h 32m
Rovaniemi
Wed 1/13
5:20 am-4:50 pm
2 stops21h 30m
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 September to fly from Seattle, when ticket prices are also cheap, with an average price of $743.
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 $786. 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 $1,208.
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 $923 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 $800 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?
No. A direct flight is the cheapest option for a flight between Seattle to Finland.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Finland?
Icelandair is the most popular carrier operating from Seattle/Tacoma Intl to Finland
What airlines fly to Finland?
Icelandair, Scandinavian Airlines and Finnair are the top three most popular airlines that fly to Finland from Seattle according to our data. Icelandair is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Finland. Keep in mind that there are 4 different airlines that fly to Finland on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Finland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Finland
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Finland is 4 as of October 2026.
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?
Based on momondo bookings for flights between Seattle and Finland, the leading plane model is Airbus A330-300, making up 38.00% of the total bookings. Other popular models include Airbus A350-900 with 10.00%, Airbus A330-900neo with 10.00%, and Boeing 787-10 Dreamliner with 6.00%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $353 | Free Cancellation | Rating 7.4 2,009 reviews | |||
| PriceFrom $528 | Free Cancellation | Rating 6.9 757 reviews | |||
| PriceFrom $731 | Free Cancellation | Rating 7.8 8,632 reviews | |||
| PriceFrom $845 | Free Cancellation | Rating 7.6 1,428 reviews |
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.