฿47,640 Cheap Flights from Helsinki (HEL) to Seattle (SEA)

View ฿47,640 flight on Mon, 17 Nov 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿47,640 for one-way flights and ฿30,305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿30,305 Return, found 6 days ago
฿30,305
Return
found 6 days ago
Select Icelandair flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿30,305 found 6 days ago
KLM
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿30,955 Return, found 6 days ago
฿30,955
Return
found 6 days ago
Select KLM flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿30,955 found 6 days ago
Air France
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,135 Return, found 6 days ago
฿31,135
Return
found 6 days ago
Select Air France flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,135 found 6 days ago
KLM
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,140 Return, found 6 days ago
฿31,140
Return
found 6 days ago
Select KLM flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,140 found 6 days ago
KLM
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,150 Return, found 6 days ago
฿31,150
Return
found 6 days ago
Select KLM flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,150 found 6 days ago
Air France
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,330 Return, found 6 days ago
฿31,330
Return
found 6 days ago
Select Air France flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,330 found 6 days ago
KLM
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,335 Return, found 6 days ago
฿31,335
Return
found 6 days ago
Select KLM flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,335 found 6 days ago
Air France
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,570 Return, found 6 days ago
฿31,570
Return
found 6 days ago
Select Air France flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,570 found 6 days ago
Air France
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿31,765 Return, found 6 days ago
฿31,765
Return
found 6 days ago
Select Air France flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿31,765 found 6 days ago
United
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿32,005 Return, found 6 days ago
฿32,005
Return
found 6 days ago
Select United flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿32,005 found 6 days ago
Lufthansa
Mon, 17 Nov - Mon, 1 Dec
HEL
Helsinki
SEA
Seattle
฿32,190 Return, found 6 days ago
฿32,190
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 17 Nov from Helsinki to Seattle, returning Mon, 1 Dec, priced at ฿32,190 found 6 days ago

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

May is typically the cheapest month to fly

From ฿17,031 - ฿32,571 per traveller.

Frequently asked questions

How much is a flight from Helsinki-Vantaa Airport to SEA?
Pack your bags, because round-trip flights between HEL and Sea-Tac Airport start from ฿30,305. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from HEL to Sea-Tac Airport?
Every air carrier has its own terms and conditions. If you decide to cancel your holiday, visit our Customer Service Portal.
How do I find cheap flights from HEL to Seattle - Tacoma Intl. Airport (SEA) 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 Helsinki-Vantaa Airport to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Vantaa Airport (HEL) to Sea-Tac Airport?
Vantaa to SeaTac is around 7,700 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Toss in a few snacks to nibble on throughout your trip too.
Which airlines fly direct from Helsinki Airport to Seattle - Tacoma Intl. Airport (SEA)?
Unfortunately, there are no airlines that fly direct between HEL and SEA. You'll need to book a flight with one or more stops.
Are Helsinki-Vantaa Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Helsinki Airport to Seattle - Tacoma Intl. Airport (SEA) are available up to a year prior to departure on Expedia. And although you may score fantastic last-minute deals, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
Vantaa
Destination airport
Seattle - Tacoma Intl.
Return price
฿30,305
Distance
7628 km

Book with confidence

Perfect flights from Helsinki to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Helsinki to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Vantaa to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿47,640 and roundtrip prices from ฿30,305. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
Perfect flights from Helsinki to Seattle

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