CA $629 Cheap Flights from Seattle (SEA) to Helsinki (HEL)

View CA $629 flight on Sun, Oct 4, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Helsinki-Vantaa Airport (HEL)

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Cheap flights from Seattle (SEA) to Helsinki (HEL)

Prices were available within the past 7 days and start at CA $629 for one-way flights and CA $1,176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, Oct 4 - Wed, Oct 21
SEA
Seattle
HEL
Helsinki
CA $1,176 Roundtrip, found 21 hours ago
CA $1,176
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Sun, Oct 4 from Seattle to Helsinki, returning Wed, Oct 21, priced at CA $1,176 found 21 hours ago
Turkish Airlines
Mon, Sep 7 - Thu, Sep 17
SEA
Seattle
HEL
Helsinki
CA $1,217 Roundtrip, found 21 hours ago
CA $1,217
Roundtrip
found 21 hours ago
Select Turkish Airlines flight, departing Mon, Sep 7 from Seattle to Helsinki, returning Thu, Sep 17, priced at CA $1,217 found 21 hours ago
Icelandair
Wed, Sep 9 - Wed, Oct 21
SEA
Seattle
HEL
Helsinki
CA $1,229 Roundtrip, found 1 day ago
CA $1,229
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Sep 9 from Seattle to Helsinki, returning Wed, Oct 21, priced at CA $1,229 found 1 day ago
Icelandair
Mon, Sep 7 - Thu, Sep 17
SEA
Seattle
HEL
Helsinki
CA $1,236 Roundtrip, found 21 hours ago
CA $1,236
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Mon, Sep 7 from Seattle to Helsinki, returning Thu, Sep 17, priced at CA $1,236 found 21 hours ago
Icelandair
Mon, Sep 7 - Thu, Sep 17
SEA
Seattle
HEL
Helsinki
CA $1,241 Roundtrip, found 21 hours ago
CA $1,241
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Mon, Sep 7 from Seattle to Helsinki, returning Thu, Sep 17, priced at CA $1,241 found 21 hours ago
Turkish Airlines
Wed, Aug 12 - Fri, Sep 4
SEA
Seattle
HEL
Helsinki
CA $1,243 Roundtrip, found 2 days ago
CA $1,243
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Aug 12 from Seattle to Helsinki, returning Fri, Sep 4, priced at CA $1,243 found 2 days ago
Icelandair
Fri, Oct 30 - Fri, Nov 13
SEA
Seattle
HEL
Helsinki
CA $1,258 Roundtrip, found 2 days ago
CA $1,258
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 30 from Seattle to Helsinki, returning Fri, Nov 13, priced at CA $1,258 found 2 days ago
Finnair
Wed, Sep 9 - Wed, Oct 21
SEA
Seattle
HEL
Helsinki
CA $1,387 Roundtrip, found 1 day ago
CA $1,387
Roundtrip
found 1 day ago
Select Finnair flight, departing Wed, Sep 9 from Seattle to Helsinki, returning Wed, Oct 21, priced at CA $1,387 found 1 day ago
American Airlines
Wed, Sep 9 - Wed, Oct 21
SEA
Seattle
HEL
Helsinki
CA $1,387 Roundtrip, found 1 day ago
CA $1,387
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 9 from Seattle to Helsinki, returning Wed, Oct 21, priced at CA $1,387 found 1 day ago
British Airways
Wed, Sep 9 - Wed, Oct 21
SEA
Seattle
HEL
Helsinki
CA $1,387 Roundtrip, found 1 day ago
CA $1,387
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Sep 9 from Seattle to Helsinki, returning Wed, Oct 21, priced at CA $1,387 found 1 day ago

Alternative airports near Helsinki

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Vantaa HEL. Cheapest option available. Average driving time to city centre is 22 minutes. Flights from CA $1,653
HEL
Vantaa
Cheapest
Average driving time to city centre22 min
Flights from CA $1,653

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) cost?
One-way flights typically cost between $3,808 and $18,805 and return flights often range between $3,808 and $18,805. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
February is typically the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa), with average round-trip fares of approximately 1788 CAD. This is about 28% lower than the average price throughout the year. February sees lower prices because it falls during the off-peak travel season, when demand drops and airlines compete for bookings. April and November are also good months to find deals on this route.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
Enter SEA to HEL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) will differ from traveler to traveler. If you like to fly early, AY offers early morning flights. If price is the most important factor, AY typically offers the lowest fares. AA offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
When looking for the best time to fly from Seattle - Tacoma Intl. (SEA) to Helsinki (HEL-Vantaa) (HEL), it's a balance between price and popularity. Based on booking data from the past year, you'll find the cheapest flights in February and November, with average round-trip prices around 1788 CAD. These months are great if you're looking to save money. If you prefer to travel when there are more flight options and higher demand, May and March are the most popular months. While these might not be the absolute cheapest, the increased flight availability can offer more flexibility for your travel plans.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
There are approximately 70 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL). Some common connection points include O'Hare Intl. (ORD), Keflavik Intl. (KEF), and (DUB).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL) typically departs at approximately 12:05 AM local time. This service is operated by American Airlines and Finnair. This is a seasonal service active in June. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
If you're flying from Seattle - Tacoma Intl. (SEA) to Helsinki (HEL), you'll typically find the most flights on a Tuesday, with around 84 flights available. This gives you plenty of options to choose from. Major airlines on this route include American Airlines, Delta Air Lines, and Alaska Airlines. Looking at the week, Tuesdays offer notably more flight options compared to other days, making it a good day to consider for your travel.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL) are in the afternoon, from 12pm to 3pm. About 27 CAD% of passengers prefer this time window. Many major carriers, including British Airways, Finnair and Lufthansa, offer flights during this window. This timing works well because it allows for a relaxed morning before your flight, and you'll arrive in Helsinki ready to start your evening or next day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
A nonstop flight from SEA to HEL typically takes around 9 hours 30 minutes, covering approximately 4,768 miles. Connecting flights on this route usually add 6 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
Select the "Business class" and "First class" filters when looking for SEA to HEL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
A direct, round-trip business class ticket from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL) typically costs between 13,202 CAD - 24,892 CAD. You may also be able to find a cheaper business class journey between Seattle - Tacoma Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Helsinki from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Helsinki from Seattle - Tacoma Intl. (SEA), you can fly into Vantaa (HEL) Some flights may connect through major hubs like O'Hare Intl. (ORD), Heathrow (LHR), Vancouver Intl. (YVR) before reaching Helsinki. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Vantaa
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
CA $1,176
Distance
7628 km

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Seattle to Helsinki Flights

The easy way to book your flights from Seattle to Helsinki 

With Expedia, it’s simple to find and book flights to Helsinki from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Vantaa, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Helsinki today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Vantaa, HEL 

Sort your search results by price to find great deals on your flight from Seattle to Helsinki—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Helsinki from Seattle currently is just CA $1,176 rising to CA $1,387.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Helsinki  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Helsinki from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Helsinki with Expedia today.

Seattle to Helsinki Flights

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*Available to Expedia members.