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Cheap Flights from Helsinki Vantaa to Seattle

Compare Helsinki Vantaa to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Helsinki Vantaa to Seattle

Looking for a cheap last-minute deal or the best return flight from Helsinki Vantaa Airport to Seattle? If you want to travel next month, return fares start from R 15,129. Find the lowest prices on one-way and return tickets right here.
Seattle.R 7,672 per passenger.Departing Tue, 22 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Helsinki Vantaa on Tue, 22 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 7,672, select.
Seattle.R 7,967 per passenger.Departing Wed, 26 Aug.One-way flight with Finnair.Outbound indirect flight with Finnair, departs from Helsinki Vantaa on Wed, 26 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 7,967, select.
Seattle.R 8,822 per passenger.Departing Mon, 27 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Helsinki Vantaa on Mon, 27 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 8,822, select.
Seattle.R 8,898 per passenger.Departing Sun, 6 Dec.One-way flight with Finnair.Outbound indirect flight with Finnair, departs from Helsinki Vantaa on Sun, 6 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 8,898, select.
Seattle.R 8,952 per passenger.Departing Thu, 5 Nov.One-way flight with Finnair.Outbound indirect flight with Finnair, departs from Helsinki Vantaa on Thu, 5 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 8,952, select.
Seattle.R 9,529 per passenger.Departing Sat, 23 Jan.One-way flight with Norwegian Air Sweden.Outbound indirect flight with Norwegian Air Sweden, departs from Helsinki Vantaa on Sat, 23 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 9,529, select.
Seattle.R 9,585 per passenger.Departing Sun, 2 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Helsinki Vantaa on Sun, 2 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 9,585, select.
Seattle.R 12,256 per passenger.Departing Mon, 8 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Helsinki Vantaa on Mon, 8 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 12,256, select.
Seattle.R 12,422 per passenger.Departing Mon, 29 Jun.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Helsinki Vantaa on Mon, 29 Jun, arriving in Seattle Lake Union SPB.Price includes taxes and charges.From R 12,422, select.
Seattle.R 13,338 per passenger.Departing Mon, 24 Aug.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Mon, 24 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 13,338, select.
Seattle.R 13,367 per passenger.Departing Fri, 11 Sep.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Fri, 11 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 13,367, select.
Seattle.R 13,692 per passenger.Departing Wed, 7 Oct.One-way flight with Condor.Outbound indirect flight with Condor, departs from Helsinki Vantaa on Wed, 7 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 13,692, select.
Seattle.R 14,596 per passenger.Departing Sun, 2 May.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Sun, 2 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 14,596, select.
Seattle.R 16,551 per passenger.Departing Fri, 24 Jul.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Fri, 24 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 16,551, select.
Seattle.R 39,517 per passenger.Departing Sun, 6 Jun.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Helsinki Vantaa on Sun, 6 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 39,517, select.
Seattle.R 48,468 per passenger.Departing Sun, 28 Jun.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Sun, 28 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 48,468, select.

Find the cheapest month to fly from Helsinki Vantaa to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Helsinki Vantaa to Seattle flights are currently cheapest in September.
Jun
from R 12,422
Jul
from R 8,822
Aug
from R 7,967
Sep
from R 7,672
Oct
from R 13,692
Nov
from R 8,952
Dec
from R 8,898
Jan
from R 9,529
Feb
Find prices
Mar
from R 12,256
Apr
Find prices
May
from R 9,585

Direct flights from Helsinki Vantaa to Seattle

Alternative Helsinki Vantaa to Seattle routes

Looking for the cheapest, fastest or easiest route from Helsinki Vantaa to Seattle? You could fly into the following airports instead.

Seattle Lake Union SPB

2km from central Seattle
Closest
from R 9,234
Search flights

Seattle Boeing Fld

11km from central Seattle
from R 12,044
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from R 7,672
Search flights

Paine Field

33km from central Seattle
from R 13,843
Search flights

Helsinki to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 7,672
Cheapest month to flySeptember
Average flight time9 hrs, 39 mins
Most popular airlineAmerican Airlines
Average flights per week12

Finding cheap flights from Helsinki Vantaa to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Helsinki Vantaa to Seattle is R 11,592. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 39 minutes is the average flight time from Helsinki Vantaa to Seattle.
American Airlines, Finnair and British Airways fly direct from Helsinki Vantaa to Seattle.
As of June 2026, there are 12 flights per week flying from Helsinki Vantaa to Seattle.
The cheapest month to fly from Helsinki Vantaa to Seattle is usually September.
If you're flying from Helsinki Vantaa Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R 11,592.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Helsinki Vantaa Airport to Seattle on Friday, 4 September 2026.
Yes – the average flight time is 9 hours and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Norwegian Air Sweden and Finnair offer the cheapest flight tickets to Seattle.

Travelling from Helsinki-Vantaa Airport (HEL) to Seattle: what you need to know

  • The average duration of a direct flight from Helsinki-Vantaa Airport to Seattle is 9 hours 30 minutes.

  • The timezone in Seattle is UTC-8. The city is ten hours behind Helsinki, where Helsinki-Vantaa Airport is located.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your HEL to Seattle flight.

  • During popular months such as September, it's wise to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during high season in general.

  • Direct Helsinki-Vantaa Airport to Seattle tickets are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll complete your journey.

  • Book your seat with Finnair. This popular airline offers direct flights from Helsinki-Vantaa Airport to Seattle.

  • Stopovers are the ideal opportunity to break up your journey and perhaps even explore a different city. When searching for plane tickets from HEL to Seattle, deselect the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • Paris Charles de Gaulle Airport (CDG)

    • Munich Franz Joseph Strauss Airport (MUC)

    • Keflavik Airport (KEF)

  • HEL is around 16 kilometres from central Helsinki. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 30 minutes.

  • Looking for a hotel near HEL? If you're catching an early flight from Helsinki-Vantaa Airport to Seattle, these accommodation options will put you moments from check-in:

  • Helsinki-Vantaa Airport scores top marks for its on-time performance. 84% of flights that take off from HEL arrive at their destination on time.

How to find the cheapest flights from Helsinki-Vantaa Airport (HEL) to Seattle

  • R 7,672 is currently the best price for a one-way Helsinki-Vantaa Airport to Seattle flight. A return plane ticket starts at R 11,592. These fares can change based on availability and demand.

  • Book six months before you want to fly. Pricing trends suggest that this is the ideal window for finding cheap flights from HEL to Seattle.

  • November is the best month for picking up a fantastic deal on Helsinki-Vantaa Airport to Seattle tickets. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Spend less time searching for cheap flights from HEL to Seattle by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Helsinki-Vantaa Airport to Seattle by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. If you're getting a taxi or a ride-share, the drive will take roughly 25 minutes.

  • If you're travelling by public transport, expect a journey time of around 35 minutes.

  • If you're arriving on a late flight from Helsinki-Vantaa Airport to Seattle, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these accommodation options near SEA:

  • Booking your vehicle from Seattle-Tacoma International Airport around one week ahead of your flight from HEL to Seattle can help you get the lowest rate.

Seattle Paine Field International Airport (PAE)

  • The centre of Seattle is about 40 kilometres from Seattle Paine Field International Airport (PAE). After your flight from Helsinki-Vantaa Airport to Seattle has landed and you've made your way through the terminal, the drive should take about 40 minutes.

  • Travelling by public transport will take around 1 hour 30 minutes.

  • You'll find some great places ready to welcome you near PAE. Kick back and get cosy after your HEL to Seattle flight at one of these perfectly located options:

  • Get the vehicle you actually want, not just what's left, by reserving your ride from PAE in advance. You can also avoid paying more than you have to, especially during peak travel times.

King County International Airport (BFI)

  • Set your sights on the city centre after your flight from Helsinki-Vantaa Airport to Seattle has landed. Central Seattle is around 11 kilometres from King County International Airport (BFI) and takes roughly 20 minutes to reach by car.

  • If you're using public transport, the journey time is about 35 minutes.

  • Enjoy a more relaxed start to your break by checking in to a hotel near BFI after your HEL to Seattle flight. Recover from a day of travel or simply give yourself time to get your bearings in a new city at:

  • Rental companies sometimes offer deals on early bookings, so secure your ride from BFI a few weeks ahead of your flight from Helsinki-Vantaa Airport to Seattle. A little prep today saves cash tomorrow.

Best time to go to Seattle

  • July is the most popular month for flights from Helsinki-Vantaa Airport to Seattle. To avoid the crowds, head to Seattle in December.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Helsinki-Vantaa Airport to Seattle plane ticket then if that's your ideal forecast.

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from HEL to Seattle around that time if you like cooler conditions.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. As soon as you've booked your flight from Helsinki-Vantaa Airport to Seattle, browse our range of hotels including:

  • There are so many things to discover in this city it can be tricky to work out where to start. Pike Place Market, Space Needle and Seattle Skyline are popular attractions which should be on any good Seattle itinerary.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other corners of the United States waiting to be discovered. About 241 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with leading attractions like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Plan the rest of your trip from Helsinki to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.