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Cheap Flights from Helsinki Vantaa (HEL) to Seattle (SEAA)

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      Travellers and cabin class, 1 Adult, Economy
      1. Home
      2. Finland
      3. Helsinki Vantaa
      4. 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 dealsCheapest monthFind the best routeRoute infoFAQsTips and advice

      Flight deals from Helsinki Vantaa to Seattle

      Looking for a cheap last-minute deal or the best return flight from Helsinki Vantaa to Seattle? Find the lowest prices on one-way and return tickets right here.
      Seattle.£429 per passenger.Departing Thu, 18 Sep, returning Mon, 22 Sep.Return flight with Norwegian Air Sweden and Icelandair.Outbound indirect flight with Norwegian Air Sweden, departs from Helsinki Vantaa on Thu, 18 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 22 Sep, arriving in Helsinki Vantaa.Price includes taxes and charges.From £429, select.
      Thu, 18 SepHEL - SEA with Norwegian Air Sweden
      1 stop
      Mon, 22 SepSEA - HEL with Icelandair
      1 stop
      from £429
      Seattle.£486 per passenger.Departing Wed, 13 Aug, returning Wed, 20 Aug.Return flight with Norwegian Air Sweden and Scandinavian Airlines.Outbound indirect flight with Norwegian Air Sweden, departs from Helsinki Vantaa on Wed, 13 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Wed, 20 Aug, arriving in Helsinki Vantaa.Price includes taxes and charges.From £486, select.
      Wed, 13 AugHEL - SEA with Norwegian Air Sweden
      1 stop
      Wed, 20 AugSEA - HEL with Scandinavian Airlines
      1 stop
      from £486
      Seattle.£492 per passenger.Departing Sat, 30 Aug, returning Sat, 6 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Helsinki Vantaa on Sat, 30 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Sat, 6 Sep, arriving in Helsinki Vantaa.Price includes taxes and charges.From £492, select.
      Sat, 30 AugHEL - SEA with Scandinavian Airlines
      1 stop
      Sat, 6 SepSEA - HEL with Scandinavian Airlines
      1 stop
      from £492
      Seattle.£507 per passenger.Departing Sun, 1 Mar, returning Sun, 8 Mar.Return flight with Norwegian Air Sweden and Icelandair.Outbound indirect flight with Norwegian Air Sweden, departs from Helsinki Vantaa on Sun, 1 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 8 Mar, arriving in Helsinki Vantaa.Price includes taxes and charges.From £507, select.
      Sun, 1 MarHEL - SEA with Norwegian Air Sweden
      1 stop
      Sun, 8 MarSEA - HEL with Icelandair
      1 stop
      from £507
      Seattle.£525 per passenger.Departing Thu, 13 Nov, returning Wed, 26 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Helsinki Vantaa on Thu, 13 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed, 26 Nov, arriving in Helsinki Vantaa.Price includes taxes and charges.From £525, select.
      Thu, 13 NovHEL - SEA with Icelandair
      1 stop
      Wed, 26 NovSEA - HEL with Icelandair
      1 stop
      from £525
      Seattle.£525 per passenger.Departing Sun, 19 Oct, returning Mon, 3 Nov.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Sun, 19 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Mon, 3 Nov, arriving in Helsinki Vantaa.Price includes taxes and charges.From £525, select.
      Sun, 19 OctHEL - SEA with Lufthansa
      1 stop
      Mon, 3 NovSEA - HEL with Lufthansa
      1 stop
      from £525
      Seattle.£536 per passenger.Departing Thu, 12 Feb, returning Wed, 18 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Thu, 12 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Wed, 18 Feb, arriving in Helsinki Vantaa.Price includes taxes and charges.From £536, select.
      Thu, 12 FebHEL - SEA with Lufthansa
      1 stop
      Wed, 18 FebSEA - HEL with Lufthansa
      1 stop
      from £536
      Seattle.£554 per passenger.Departing Sat, 11 Oct, returning Sat, 18 Oct.Return flight with Finnair and Icelandair.Outbound indirect flight with Finnair, departs from Helsinki Vantaa on Sat, 11 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 18 Oct, arriving in Helsinki Vantaa.Price includes taxes and charges.From £554, select.
      Sat, 11 OctHEL - SEA with Finnair
      1 stop
      Sat, 18 OctSEA - HEL with Icelandair
      1 stop
      from £554
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Helsinki Vantaa to Seattle found in the last 4 days, and are subject to change and availability.

      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.
      Jul
      from £720
      Aug
      from £486
      Sep
      from £429
      Oct
      from £554
      Nov
      from £525
      Dec
      Find prices
      Jan
      Find prices
      Feb
      from £536
      Mar
      from £507
      Apr
      Find prices
      May
      from £597
      Jun
      from £709

      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.

      Helsinki to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found£429
      Cheapest month to flySeptember
      Average flight time9 hrs, 38 mins
      Most popular airlineFinnair
      Average flights per week17

      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 £429. 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 38 minutes is the average flight time from Helsinki Vantaa to Seattle.
      Finnair, American Airlines and Iberia fly direct from Helsinki Vantaa to Seattle.
      As of July 2025, there are 17 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 12.1 miles away from the centre of Seattle. We've found flights into this airport from £429.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Helsinki Vantaa Airport to Seattle on Thursday, 18 September 2025.
      Yes – the average flight time is 9 hours and 38 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 July, the average temperature is usually around 17°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.

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

      • Expect to be in the air for 9 hours 15 minutes. That's the average time for a direct flight from Helsinki-Vantaa Airport to Seattle.

      • Helsinki-Vantaa Airport is located in Helsinki. Following the UTC-7 timezone, Seattle is nine hours behind Helsinki.

      • The busiest route is from Helsinki-Vantaa Airport (HEL) to Seattle-Tacoma International Airport (SEA). Choose from two weekly services between these two airports. If you'd like to take off as soon as possible, the earliest flight from HEL to SEA is the 16:40 Finnair service. If you'd rather travel later, the last departure is at 16:40 with Finnair.

      • Give yourself enough time to catch your HEL to Seattle flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Longer lines at check-in and security are more likely if you're heading away during high season, so give yourself even more breathing space. A good general rule for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

      • Begin your trip at HEL and travel nonstop to Seattle-Tacoma International Airport (SEA). That's where you can expect to land when searching for Helsinki-Vantaa Airport to Seattle tickets.

      • Finnair is a well-known airline that offers direct flights from Helsinki-Vantaa Airport to Seattle.

      • We make it simple to book plane tickets from HEL to Seattle with a stopover. To see all the options, deselect 'Direct flights only.' Next, select a flight with a stop long enough to explore the city of your choice. Some popular stopovers include:

        • Charles de Gaulle Airport (CDG)

        • Franz Josef Strauss Airport (MUC)

        • Keflavik International Airport (KEF)

      • HEL is about 10 miles from central Helsinki. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 45 minutes.

      • Want a leisurely start to your holiday? Stay near HEL. Whether you're taking an early flight from Helsinki-Vantaa Airport to Seattle or just don't want to be rushed, these hotels are all about convenience:

        • Forenom Hostel Vantaa Airport

        • Hilton Helsinki Airport

        • The Rooms Airport - 20Rooms

      • 60.23% of flights departing from Helsinki-Vantaa Airport make it to their destination on time.

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

      • The best price we've found for a one-way Helsinki-Vantaa Airport to Seattle flight is £309. The cheapest price for a return flight is £429. Remember fares can change due to demand at the time of booking.

      • To score cheap flights from HEL to Seattle, reserve your journey seven months before your departure.

      • The best month for picking up cheap Helsinki-Vantaa Airport to Seattle tickets is November. Use the 'Whole month' tool to compare all available prices, then select the dates that offer the lowest fares.

      • Finding a cheap flight from HEL to Seattle is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know as soon as a deal gets even better.

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

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • Seattle-Tacoma International Airport (SEA) to the centre of Seattle takes around 20 minutes to reach by car. The centre is roughly 14 miles away.

      • When travelling on public transport, expect a journey time of around 55 minutes.

      • If you're arriving on a late flight from Helsinki-Vantaa Airport to Seattle, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these accommodation options near SEA:

        • Red Roof Inn Seattle Airport - Seatac

        • DoubleTree by Hilton Seattle Airport

        • Days Inn by Wyndham Seatac Airport

      • Pick up a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are top providers to choose from here.

      • Lock in the best deal by booking your ride from Seattle-Tacoma International Airport about one week ahead of your flight from HEL to Seattle.

      Lake Union Sea Plane Base Airport (LKE)

      • Once your flight from Helsinki-Vantaa Airport to Seattle has landed, you can reach the city centre in about 10 minutes by car. Central Seattle is roughly 2 miles from Lake Union Sea Plane Base Airport (LKE).

      • If you choose to travel on public transport, the journey will take you 25 minutes or so.

      • After stepping off your HEL to Seattle flight, kick back at a hotel near LKE. These are some great accommodation options that'll help you sink into relaxation mode:

        • Citizenm Seattle South Lake Union

        • Staypineapple, Hotel Five, Downtown Seattle

        • Hotel Max

      Best time to go to Seattle

      • Carefully consider your dates before securing your flight from Helsinki-Vantaa Airport to Seattle. The city comes alive in high season, but hotel prices are usually higher and attractions can get busy. Plan your trip to Seattle in low season if you prefer a quieter vibe.

      • Before booking a Helsinki-Vantaa Airport to Seattle plane ticket, think about the kind of weather you prefer. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • Search for cheap tickets from HEL to Seattle in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

      More about Seattle

      • Once you've booked your flight from Helsinki-Vantaa Airport to Seattle, choose a hotel that puts you right where the action is. Make one of these accommodation options your base for exploring Seattle:

        • Citizenm Seattle South Lake Union

        • Staypineapple, Hotel Five, Downtown Seattle

        • Hotel Max

      • There are so many things to explore in this city it can be hard to work out where to begin. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are top attractions which should feature on any good Seattle itinerary.

      Explore more of United States

      • You've done Seattle, now it's time to explore other corners of United States. Journey about 150 miles south to Portland to tick off its top sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you'll have a full itinerary ahead.

      • Around 230 miles east of Seattle, Spokane is another essential stop in United States. No visit is complete without checking out Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

      More travel options

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      Plan the rest of your trip from Helsinki to Seattle

      • Car hire in Seattle
      • Hotels in Seattle

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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