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CA $596 Cheap Flights from Seattle (SEA) to Helsinki (HEL)

View CA $596 flight on Mon, Oct 5, 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 $596 for one-way flights and CA $851 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, Sep 25 - Tue, Oct 13
SEA
Seattle
HEL
Helsinki
CA $851 Roundtrip, found 8 hours ago
CA $851
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Fri, Sep 25 from Seattle to Helsinki, returning Tue, Oct 13, priced at CA $851 found 8 hours ago
Scandinavian Airlines
Tue, Sep 8 - Tue, Sep 15
SEA
Seattle
HEL
Helsinki
CA $1,010 Roundtrip, found 8 hours ago
CA $1,010
Roundtrip
found 8 hours ago
Select Scandinavian Airlines flight, departing Tue, Sep 8 from Seattle to Helsinki, returning Tue, Sep 15, priced at CA $1,010 found 8 hours ago
Scandinavian Airlines
Tue, Sep 8 - Tue, Sep 15
SEA
Seattle
HEL
Helsinki
CA $1,020 Roundtrip, found 8 hours ago
CA $1,020
Roundtrip
found 8 hours ago
Select Scandinavian Airlines flight, departing Tue, Sep 8 from Seattle to Helsinki, returning Tue, Sep 15, priced at CA $1,020 found 8 hours ago
Icelandair
Wed, Sep 9 - Mon, Sep 14
SEA
Seattle
HEL
Helsinki
CA $1,062 Roundtrip, found 8 hours ago
CA $1,062
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Wed, Sep 9 from Seattle to Helsinki, returning Mon, Sep 14, priced at CA $1,062 found 8 hours ago
Icelandair
Sun, Aug 23 - Mon, Sep 7
SEA
Seattle
HEL
Helsinki
CA $1,079 Roundtrip, found 14 hours ago
CA $1,079
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Sun, Aug 23 from Seattle to Helsinki, returning Mon, Sep 7, priced at CA $1,079 found 14 hours ago
Turkish Airlines
Tue, May 4 - Tue, May 11
SEA
Seattle
HEL
Helsinki
CA $1,297 Roundtrip, just found
CA $1,297
Roundtrip
just found
Select Turkish Airlines flight, departing Tue, May 4 from Seattle to Helsinki, returning Tue, May 11, priced at CA $1,297 just found
American Airlines
Tue, May 4 - Tue, May 11
SEA
Seattle
HEL
Helsinki
CA $1,318 Roundtrip, just found
CA $1,318
Roundtrip
just found
Select American Airlines flight, departing Tue, May 4 from Seattle to Helsinki, returning Tue, May 11, priced at CA $1,318 just found
American Airlines
Tue, May 4 - Tue, May 11
SEA
Seattle
HEL
Helsinki
CA $1,432 Roundtrip, just found
CA $1,432
Roundtrip
just found
Select American Airlines flight, departing Tue, May 4 from Seattle to Helsinki, returning Tue, May 11, priced at CA $1,432 just found
British Airways
Tue, May 4 - Tue, May 11
SEA
Seattle
HEL
Helsinki
CA $1,433 Roundtrip, just found
CA $1,433
Roundtrip
just found
Select British Airways flight, departing Tue, May 4 from Seattle to Helsinki, returning Tue, May 11, priced at CA $1,433 just found
Finnair
Tue, May 4 - Tue, May 11
SEA
Seattle
HEL
Helsinki
CA $1,433 Roundtrip, just found
CA $1,433
Roundtrip
just found
Select Finnair flight, departing Tue, May 4 from Seattle to Helsinki, returning Tue, May 11, priced at CA $1,433 just found

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 $1,510
HEL
Vantaa
Cheapest
Average driving time to city centre22 min
Flights from CA $1,510

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) cost?
You can find cheap one-way flights from CA $596 and cheap return flights from CA $851 SEA to HEL with Expedia. One-way flights typically cost between CA$1303 and CA$5044, and return flights often range between CA$2060 and CA$8452. 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 SEA to HEL ticket fares go up or down.
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 return fares around CA$1022. February often sees lower prices because it falls outside of peak holiday seasons, when travel demand tends to decrease. Other cheap months to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) include April and November.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
Only one airline offers direct flights from Seattle - Tacoma Intl. (SEA) to Helsinki (HEL-Vantaa): Finnair operates 7 direct flights from Seattle - Tacoma Intl. to Helsinki every week.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
Finnair is one of the cheapest airlines offering nonstop return flights from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL), with tickets starting from around CA$881 for flights that can be booked for departure within the next year. Icelandair offers one of the cheapest connecting return flights from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL) with a layover in Keflavik Intl. (KEF), starting from around CA$1889. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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, Finnair offers early morning flights. If price is the most important factor, Finnair typically offers the lowest fares. Alaska Airlines 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)?
The cheapest months to fly from Seattle-Tacoma International Airport (SEA) to Helsinki (HEL) are typically February and November, with average return flights around CA$1022. However, the most popular months for this route are June and March, which means you'll find plenty of flight options during those times. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, aiming for February or November could save you money, while June and March offer more flexibility with schedules.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
There are approximately 71 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 Vancouver Intl. (YVR).
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 around 12:05 AM local time. This flight is operated by American Airlines and Finnair. This is a seasonal service, active only in June. An early departure like this can help you make the most of 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)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Vantaa (HEL) on a Friday, with around 97 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta, and Alaska Airlines. Fridays offer notably more flight options compared to other days of the week, so if flexibility is key, this is a great day to consider flying.
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 between 12pm and 3pm. Many major carriers, including British Airways, American Airlines and Lufthansa, offer flights during this window. Many travelers prefer this because it allows for a morning in Seattle before heading to the airport, and you'll arrive in Helsinki at a convenient time to start your trip.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
A nonstop flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) typically takes around 9 hours 30 minutes. This route covers a distance of approximately 7673 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 14 hours 48 minutes. Flights with two or more stops generally take about 19 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
You can fly business class between SEA and HEL. Airlines that offer business class service on this route include:
  • SAS
  • Turkish Airlines
  • Lufthansa
  • Air France
  • Icelandair
  • Alaska Airlines
  • Air Canada
  • British Airways
  • Aer Lingus
  • Condor
  • Delta
  • Finnair
  • United
  • American Airlines
  • Virgin Atlantic
How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa)?
A direct, return business class ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) typically costs between CA$7,544 - CA$14,224. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helsinki (HEL-Vantaa) if you opt for a connecting flight.
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 (HEL) from Seattle, WA (SEA)?
If you're planning to travel to Helsinki from Seattle - Tacoma Intl. (SEA), you can fly directly into Vantaa (HEL) which offers international flights and connections. Some flights may connect through major hubs like O'Hare Intl. (ORD), Heathrow (LHR), or 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 $851
Distance
7628 km
Average flight time
9 hours 30 mins

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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 $851 rising to CA $1,433.  

Here are more money-saving tips: 

  • Fly in September 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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