S$702 Cheap Flights from Seattle to Helsinki

View S$702 flight on Tue, 7 Apr, 2026Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to Helsinki (SEA-HEL)

Prices were available within the past 7 days and start at S$702 for one-way flights and S$971 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, 11 Aug - Mon, 18 Aug
SEA
Seattle
HEL
Helsinki
S$971 Return, found 3 days ago
S$971
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, 11 Aug from Seattle to Helsinki, returning Mon, 18 Aug, priced at S$971 found 3 days ago
Scandinavian Airlines
Mon, 11 Aug - Tue, 19 Aug
SEA
Seattle
HEL
Helsinki
S$1,009 Return, found 3 days ago
S$1,009
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, 11 Aug from Seattle to Helsinki, returning Tue, 19 Aug, priced at S$1,009 found 3 days ago
Scandinavian Airlines
Sat, 9 Aug - Mon, 18 Aug
SEA
Seattle
HEL
Helsinki
S$1,035 Return, found 3 days ago
S$1,035
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Sat, 9 Aug from Seattle to Helsinki, returning Mon, 18 Aug, priced at S$1,035 found 3 days ago
Icelandair
Tue, 12 Aug - Sat, 16 Aug
SEA
Seattle
HEL
Helsinki
S$1,064 Return, found 3 days ago
S$1,064
Return
found 3 days ago
Select Icelandair flight, departing Tue, 12 Aug from Seattle to Helsinki, returning Sat, 16 Aug, priced at S$1,064 found 3 days ago
Scandinavian Airlines
Sat, 9 Aug - Tue, 19 Aug
SEA
Seattle
HEL
Helsinki
S$1,073 Return, found 3 days ago
S$1,073
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Sat, 9 Aug from Seattle to Helsinki, returning Tue, 19 Aug, priced at S$1,073 found 3 days ago
Scandinavian Airlines
Sat, 9 Aug - Fri, 15 Aug
SEA
Seattle
HEL
Helsinki
S$1,099 Return, found 3 days ago
S$1,099
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Sat, 9 Aug from Seattle to Helsinki, returning Fri, 15 Aug, priced at S$1,099 found 3 days ago
Icelandair
Tue, 12 Aug - Mon, 18 Aug
SEA
Seattle
HEL
Helsinki
S$1,134 Return, found 3 days ago
S$1,134
Return
found 3 days ago
Select Icelandair flight, departing Tue, 12 Aug from Seattle to Helsinki, returning Mon, 18 Aug, priced at S$1,134 found 3 days ago
United
Fri, 8 Aug - Tue, 19 Aug
SEA
Seattle
HEL
Helsinki
S$1,168 Return, found 3 days ago
S$1,168
Return
found 3 days ago
Select United flight, departing Fri, 8 Aug from Seattle to Helsinki, returning Tue, 19 Aug, priced at S$1,168 found 3 days ago
Lufthansa
Fri, 8 Aug - Thu, 14 Aug
SEA
Seattle
HEL
Helsinki
S$1,294 Return, found 3 days ago
S$1,294
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 8 Aug from Seattle to Helsinki, returning Thu, 14 Aug, priced at S$1,294 found 3 days ago
Condor
Mon, 11 Aug - Fri, 15 Aug
SEA
Seattle
HEL
Helsinki
S$1,300 Return, found 3 days ago
S$1,300
Return
found 3 days ago
Select Condor flight, departing Mon, 11 Aug from Seattle to Helsinki, returning Fri, 15 Aug, priced at S$1,300 found 3 days ago

Find the cheapest month to fly from Seattle (SEA) to Helsinki (HEL)

October is typically the cheapest month to fly

From S$507 - S$1,530 per traveller.

Graph displaying average flight prices per month

Seattle to Helsinki route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Vantaa
Return price
S$971
Distance
7628 km
Average flight time
9 hours 30 mins

Flights from Seattle to Helsinki

There are several airlines that operate frequent flights from Seattle (SEA) to Helsinki (HEL) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 09:15 and arrives at Vantaa Airport at 00:35. The last flight of the day departs Seattle at 23:25 and arrives at Helsinki at 23:10.

The flight distance from Seattle to Helsinki is about 9583 km, the shortest flight is 11 hours 20 minutes with Virgin Atlantic.

Expedia lets you search across the largest number of airlines and Helsinki flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Helsinki flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Helsinki trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Helsinki flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Helsinki with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Helsinki-Vantaa Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between Seattle - Tacoma Intl. Airport (SEA) and Helsinki-Vantaa Airport was S$971. Cheap tickets don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Vantaa Airport (HEL)?
Most flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Helsinki-Vantaa Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Helsinki-Vantaa Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to HEL?
SeaTac to Vantaa is around 7,700 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Take a couple of snacks to nibble on throughout your trip too.
Which airlines fly direct from Sea-Tac Airport to HEL?
Flying directly between Sea-Tac Airport and Vantaa Airport (HEL) isn't possible at present. However, you'll still be able to find a flight to Vantaa with at least one stop.
Are Seattle - Tacoma Intl. Airport (SEA) to HEL flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to Helsinki Airport at the last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

*Available to Expedia members.