$306 Find Cheap Flights from Seattle to Finland - Compare and Save

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Price, demand and travel trends for Seattle to Finland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Seattle to Finland cheaper or more expensive than last year?

Fares from Seattle to Finland are running about the same as they were around this time last year, averaging $922 round-trip.

What are the cheapest fares from Seattle to Finland right now?

The cheapest fares from Seattle to Finland on KAYAK in the last week were to Helsinki-Vantaa (HEL) from $521 round-trip, and to Rovaniemi (RVN) from $787 round-trip.

What’s the cheapest month to fly from Seattle to Finland?

January is the cheapest time of year to fly, with average fares of $554. Prices are highest in June, when average flight costs increase to around $1,183.

When is the best time to book flights from Seattle to Finland?

Book your flights 25 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 27% compared to booking last-minute (within 2 weeks of departure).

Which airport in Finland is the cheapest to fly to from Seattle?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Finland are:

• Helsinki-Vantaa (HEL) (avg. price $941)
• Rovaniemi (RVN) (avg. price $1,653)

What’s the cheapest day to fly from Seattle to Finland?

Tuesday tends to be the cheapest day to fly from Seattle to Finland, while Friday is the most expensive. Fares run about 30% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Seattle to Finland?

Data from the past 12 months shows it's cheapest to fly to Finland during the morning with average prices of $716. The evening is the most expensive time to fly, with average prices of $1,121.

Key details for Seattle to Finland flights

Low season

October

Cheapest flight

$306
Beat the crowds with an average 36% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Seattle to Helsinki

Your Seattle to Finland flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Seattle to Finland?

    Yes. Fares from Seattle to Finland are low right now. As a rule of thumb, a round-trip under $746 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Seattle to Finland?

    Over the past 12 months, round-trip fares from Seattle to Finland have ranged from $746 to $1,248.

  • What airlines fly nonstop from Seattle to Finland?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Seattle to Finland. One-stop options include:

    • Delta
    • British Airways
    • Icelandair

  • Is it cheaper to fly with a layover from Seattle to Finland?

    Yes. Nonstop flights from Seattle to Finland average $1,193 over the past 12 months, but flights with a layover can cost less. The most affordable connecting airports are:

    • Kastrup Copenhagen (CPH) (avg. price $650)
    • Istanbul (IST) (avg. price $878)
    • Reykjavik Keflavik Intl (KEF) (avg. price $940)

  • Which cabin classes are available on flights from Seattle to Finland?

    On flights from Seattle to Finland you can book Economy Class, Premium Economy Class, Business Class or First Class.

  • What are some popular landmarks in Finland?

    KAYAK travelers' favorite landmarks in Finland include:

    • Helsinki Central Station Square
    • Helsingin päärautatieasema
    • Esplanadi park
    • Senate Square

Your guide to booking Seattle to Finland flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 25 weeks before your trip. KAYAK data shows fares in this window are around 27% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for January when flights are typically cheapest and avoid June when prices are at their highest.
  • Flying on Tuesday is usually the cheapest. Flights on Friday cost about 30% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Helsinki-Vantaa (HEL) is the cheapest airport to fly into from Seattle. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Helsinki, which is the most popular destination in Finland. From there, it's easy to continue on to other popular destinations such as Rovaniemi, Vantaa and Tampere.
  • If you want the shortest trip, choose the Seattle to Finland nonstop route. If you'd rather save money, the route via Kastrup Copenhagen (CPH) is usually the cheapest.

Reviews of the top 4 airlines serving from Seattle to Finland

 
Need help choosing which airline to fly with from Seattle to Finland? 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.
7.8
DeltaOverall score based on 8693 reviews
8.5Crew
7.8Comfort
8.1Boarding
7.2Food
7.8Entertainment
Airline reviews

dropped my bags at Seattle Delta curbside. 1.5 hours before departure. one bag oversized made it. the other was left at curb and mishandled. poor communication from delta in sjc baggage claim. No internet on flight and food choices in business are horrible. You are forcing us to fly Alaska which is shockingly better than the Delta experience. that is a low bar.

2.0 MediocreDerek, Oct 2026
Read more Delta reviews

dropped my bags at Seattle Delta curbside. 1.5 hours before departure. one bag oversized made it. the other was left at curb and mishandled. poor communication from delta in sjc baggage claim. No internet on flight and food choices in business are horrible. You are forcing us to fly Alaska which is shockingly better than the Delta experience. that is a low bar.

Delta is the best. It was all very easy and on time.

Delay from Atlanta to Tampa was simply unacceptable. Multiple delays led to us landing after 3am. Worst travel experience of my life

I somehow thought my food preferences was saved to my account— everything had dairy and couldn’t eat anything.

Comfortable seats. Nice service online. Short flight, so not a lot of time to enjoy.

The flight was done by SkyWest only WIFI no entertainment center are available on the CRJ

Everything worked smoothly, never had a concern with the flight from start to finish.

My flight was delayed by 4 hours in 30 minute increments. The gate agents were amazing but the communication was not. We were told that there was a maintenance issue but they didn't know what it was. That didn't inspire confidence. Then they said they found it and it was fixed and the pilot just needed to sign off. Then the pilot needed to talk to the other pilot from the arriving flight and we'd be fine. Then we were waiting for the pilot to call back. Then the maintenance issue wasn't fixed. Then they decided we were getting a new plane (why didn't they decide this earlier??). Fine. But then they announced we were changing gates AND terminals. And we were boarding in 20 minutes. So we all had to run to the new terminal gate. We could have taken off at that time, but we then had to wait for all the people who rebooked on a different flight to book this flight again. That took 30+ minutes because there was only one gate agent. When everyone ditched this flight, I saw it as an opportunity to upgrade to comfort. Delta, the greedy jerks they are, charged me $121. After their delay, their fault, their issues, couldn't even discount an upgrade. They only handed out $12 meal vouchers for the delay. I can't even get a snack from starbucks for that.

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

We sat on the runway for over an hour before departure. That was unwelcome.

Business class should have free wi-fi. Food was horrible

Short comfortable flight. Like many European and US based airlines - expect a budget airline experience even on full service airlines

The seats are very uncomfortable. They never have tomato juice. Usually late

Finnair was not able to get our luggage on a connecting flight and there was a substantial delay of two days to obtain our lugguage. They did not communicate well, and we had to travel a significant distance to finally get our luggage. It has been a very negative experience.

Business seating is soooo uncomfortable. You can sit straight up or lay down. You need pillows behind you because the back doesn’t lay down. Those are need to “prop” you up. The chair has no padding whatsoever. Food was gross. I’ve eaten on Finnair before and the food was exceptional. This time it gave 2 people in our party diarrhea. It was the chicken dish. I took 2 bites and didn’t eat anything more. The flight attendants were nice. You needed an additional lounge in Terminal D at DFW Airport. After waiting 40 minutes to enter, we finally gave up and went to a bar across from the club doors. I’m unsure if I’ll ever book a Finnair flight again.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

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

Sorting on line would have been appreciated Onward information on flights missed No ability to get seating arranged before we got to gate Very unfriendly at gate

flight was excellent. The crew was very helpful. Finnair made this 10 hour flight flyby. The entertainment screens on every seat really help save the battery life of your personal devices. We were served dinner and even a light breakfast, both of which were tasty. The crew even did all they could to help one group of passengers with their child, as to keep them comfortable during the flight.

The leg room in economy was sub par, everything else was fine.

Friendly flight attendants and reasonable good food. Quick service throughout the trip.

I WAS CANCELLED ! I thought entire flight was canceled but it was still ongoing and I was only canceled as a passenger and one day before my flight with really poor "choice" of next flights that completely ruined my family event. Absolutely disappointed by SAS. Will be avoiding this airline now

Probably not much to expect from a European domestic flight but it helps if they check the airplane for safe travel before boarding people. We had to stay on the tarmac and go back to gate for some sensor malfunction and refueling for two hours.

Will not recommend SAS for business travel. Food was so-so. Service was very good. First leg was very good. Second leg from Copenhagen to Barcelona was terrible. We paid a LOT for business class and to have seats worse than most coach seats with no entertainment and no charging available for 1/3rd of the whole trip was not acceptable. Very disappointing. I thought they were coming back in the U.S. with style, NOT YET.

I do not have a problem with the airline but both my two suitcases that were supposed to go from Hawaii to Copenhagen didn’t get on the plane in Seattle. I arrive on Monday the 21st at 10:30 in the morning. I did not get my two suitcases before Friday late afternoon that is unacceptable.

I really enjoyed how clean and big the aircraft was, as well as how friendly the crew was.

Great experience. Typically do klm to Amsterdam but may start taking this flight in future - greatxexperience.

The food was wonderful! The blankets and pillows were a nice touch and the staff were very accommodating, making frequent rounds to offer food, drink, etc. We were also told in advance when to expect meals to arrive, which is thoughtful. I liked the early notification about the lack of headphones as well, although unfortunately I'm not sure we received on for the first leg of the trip, which would have been nice to prepare for. The seats are a bit tight, and the bright monitors on the wall were on during an overnight trip, making it difficult to sleep for those close to them. .

Standard short hop flight. No food, no entertainment. Just get in, get something to drink, and try to be as comfortable as you can for an hour.

EVERYTHING was charged for. Continuous Iceland advertising; it was off putting.

Overall professional and reliable; only complaint was the lack of complimentary food or beverages on the flight. I’m not accepting an upcharge on things one can reasonably expect.

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

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

Everything was good. Only issue comes from being vegan and flying. The food options are super limited.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

7 hours 15 min flight from SEA to Iceland with no inflight entertainment and no power to charge your own devices, also no meal service, not even any snacks/cookies. You have to buy food and the options are extremely limited (i.e. ham and cheese sandwich and spicy cup noodles). I didn't think Iceland air was a budget airline, maybe I was wrong, the cost of the ticket didn't feel like it though.

Staff in flight and at the airport were very helpful. A short time between flights made it stressful to get to the connecting flight and we probably would not have made it without the staff’s help.

Very nice flight, easy connections in Keflavík, and friendly crew.

More options for your flight from Seattle to Finland

Complete your trip to Finland with a hotel stay or car rental