$371 Find Cheap Flights from Finland to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$748
Overall average: $825
Multiple Airlines
vie. 11/14jue. 11/27
HEL - SEA • 3 stops
Cheapest one-way
$371
Overall average: $654
Multiple Airlines
jue. 2/12
HEL - SEA • 2 stops
When to travel
March
Cheapest • 14% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Finland to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Finland to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Finland to Seattle

vie., nov. 14 - jue., nov. 27
Multiple Airlines Logo
5:30 am - 5:00 pmHEL-SEA
21h 30m3 stops
Multiple Airlines Logo
2:35 pm - 1:35 amSEA-HEL
25h 00m3 stops
$748Multiple Airlines
Find Deal
vie., nov. 14 - jue., nov. 27
Multiple Airlines Logo
5:30 am - 5:00 pmHEL-SEA
21h 30m3 stops
Multiple Airlines Logo
2:35 pm - 9:25 amSEA-HEL
32h 50m3 stops
$764Multiple Airlines
Find Deal
vie., nov. 14 - jue., nov. 27
Multiple Airlines Logo
5:30 am - 5:00 pmHEL-SEA
21h 30m3 stops
Multiple Airlines Logo
2:35 pm - 9:25 amSEA-HEL
32h 50m3 stops
$778Multiple Airlines
Find Deal
vie., nov. 14 - jue., nov. 27
Icelandair Logo
1:55 pm - 5:00 pmHEL-SEA
13h 05m1 stop
Icelandair Logo
2:35 pm - 12:55 pmSEA-HEL
12h 20m1 stop
$783Icelandair
Find Deal
vie., nov. 14 - jue., nov. 27
Icelandair Logo
1:55 pm - 5:00 pmHEL-SEA
13h 05m1 stop
Icelandair Logo
2:35 pm - 12:55 pmSEA-HEL
12h 20m1 stop
$798Icelandair
Find Deal
vie., mar. 6 - mar., mar. 10
Turkish Airlines Logo
12:30 pm - 5:05 pmHEL-SEA
38h 35m1 stop
Turkish Airlines Logo
8:00 pm - 6:05 pmSEA-HEL
37h 05m1 stop
$804Turkish Airlines
Find Deal
vie., nov. 14 - jue., nov. 27
KLM Logo
7:00 am - 11:45 amHEL-SEA
14h 45m1 stop
KLM Logo
2:02 pm - 5:25 pmSEA-HEL
17h 23m2 stops
$810KLM
Find Deal
vie., nov. 14 - jue., nov. 27
KLM Logo
7:00 am - 3:35 pmHEL-SEA
18h 35m2 stops
KLM Logo
2:02 pm - 5:25 pmSEA-HEL
17h 23m2 stops
$819KLM
Find Deal
vie., nov. 14 - jue., nov. 27
Delta Logo
7:00 am - 11:45 amHEL-SEA
14h 45m1 stop
Delta Logo
7:30 am - 1:10 pmSEA-HEL
19h 40m2 stops
$855Delta
Find Deal
jue., nov. 27 - lun., dic. 1
Delta Logo
7:00 am - 6:09 pmHEL-SEA
21h 09m2 stops
Delta Logo
2:05 pm - 4:25 pmSEA-HEL
16h 20m1 stop
$856Delta
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Seattle

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Seattle is March, where tickets cost $733 on average for one-way flights. On the other hand, the most expensive months are July and February, where the average cost of tickets from Finland is $968 and $959 respectively. For return trips, the best month to travel is March with an average price of $733.

How far in advance should I book a flight to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 87 days before departure.

Good to know

Low seasonFebruary
Cheapest flight$371
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 13% increase in price.
Flight from Helsinki to Seattle

FAQs - booking Seattle flights

  • How far is Seattle/Tacoma Intl Airport from central Seattle?

    Seattle/Tacoma Intl Airport is 11 miles from the center of Seattle.

  • What is the name of Seattle’s airport?

    When flying to Seattle, you'll arrive at Seattle/Tacoma Intl Airport (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

  • What is the cheapest day to fly to Seattle?

    Based on KAYAK data, the cheapest day to fly to Seattle is Thursday where tickets can be as cheap as $862. On the other hand, the most expensive day to fly is Wednesday, where prices are $1,051 on average.

  • How does KAYAK find such low prices on flights to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Seattle?

    The cheapest time of day to fly to Seattle is generally in the afternoon, when flights cost $761 on average. The most expensive time of day to fly to Seattle is generally in the evening, which is peak travel time and where the average cost of a ticket is $948.

  • How many direct flights to Seattle are there each week?

    Each week there are around 4,513 direct flights from within Finland to Seattle. The most common day for departures is Tuesday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Reviews of the top airlines flying from Finland to Seattle

 
See real verified KAYAK customer reviews for airlines flying to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Finland to Seattle. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
FinnairOverall score based on 1335 reviews
6.7Food
8.1Crew
6.9Entertainment
7.4Comfort
7.6Boarding
Airline reviews

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

8.0 ExcellentDavid, Oct 2025LHR - BWI
Read more Finnair reviews

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

Flight delayed over an hour. They said they would hold our connection but then did not.

Major problems checking in at Alaska counter. They could not find our booking code because it came from Finnair.

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Having been prepared for paying for everything on board other than water, coffee and tea the service was OK. Food and drink is expensive but the food was OK if limited in scope. Plane was clean and obviously well serviced. After complaining about having to walk in wind and rain to a get a bus to the airport the same thing happened at Portland. I’m sure you could get a terminal gate flight, complimentary food and drink for not much more money without traipsing through rain and slush in Reykjavik. Not bad but not great.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

Iceland air transfer was bad. They lost my luggage and I just received it 11/1

The boarding process seem to take longer than necessary, resulting in a 20+ minute delay

It was too cold in the plane my feet froze

Service was excellent. Food and drinks were very good except for a greasy lump of a donut at the end of the flight that left us both feeling internally disgusted.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
Centralia
Fife
Westport
Mukilteo
Lakewood
Lacey
Aberdeen
Poulsbo
Edmonds
Woodinville
Shoreline
DuPont
Monroe
Castle Rock
Edgewood

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

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