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Cheap Flights from Brussels (BRUS) to Seattle (SEA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Brussels to Seattle / Tacoma International flight deals

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

      Book the best Seattle / Tacoma International fare with no extra fees

      Flight deals from Brussels to Seattle / Tacoma International

      Looking for a cheap last-minute deal or the best return flight from Brussels to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from $1,125. Find the lowest prices on one-way and return tickets right here.
      Seattle.$985 per passenger.Departing Mon, 1 Feb, returning Mon, 15 Feb.Return flight with Condor.Outbound indirect flight with Condor, departs from Brussels International on Mon, 1 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Condor, departs from Seattle / Tacoma International on Mon, 15 Feb, arriving in Brussels International.Price includes taxes and charges.From $985, select.
      Seattle.$1,125 per passenger.Departing Fri, 2 Oct, returning Fri, 9 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Brussels International on Fri, 2 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Fri, 9 Oct, arriving in Brussels International.Price includes taxes and charges.From $1,125, select.
      Seattle.$1,131 per passenger.Departing Sun, 22 Nov, returning Thu, 3 Dec.Return flight with Condor.Outbound indirect flight with Condor, departs from Brussels International on Sun, 22 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Condor, departs from Seattle / Tacoma International on Thu, 3 Dec, arriving in Brussels International.Price includes taxes and charges.From $1,131, select.
      Seattle.$1,136 per passenger.Departing Tue, 22 Sep, returning Tue, 6 Oct.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Brussels International on Tue, 22 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in Brussels International.Price includes taxes and charges.From $1,136, select.
      Seattle.$1,158 per passenger.Departing Sat, 22 May, returning Sat, 5 Jun.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Brussels International on Sat, 22 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sat, 5 Jun, arriving in Brussels International.Price includes taxes and charges.From $1,158, select.
      Seattle.$1,158 per passenger.Departing Sat, 1 May, returning Sat, 22 May.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Brussels International on Sat, 1 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sat, 22 May, arriving in Brussels International.Price includes taxes and charges.From $1,158, select.
      Seattle.$1,158 per passenger.Departing Sat, 24 Apr, returning Sat, 8 May.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Brussels International on Sat, 24 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sat, 8 May, arriving in Brussels International.Price includes taxes and charges.From $1,158, select.
      Seattle.$1,162 per passenger.Departing Mon, 5 Jul, returning Thu, 22 Jul.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Brussels International on Mon, 5 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Thu, 22 Jul, arriving in Brussels International.Price includes taxes and charges.From $1,162, select.
      Seattle.$1,166 per passenger.Departing Mon, 7 Dec, returning Thu, 24 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Mon, 7 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Thu, 24 Dec, arriving in Brussels International.Price includes taxes and charges.From $1,166, select.
      Seattle.$1,166 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Mon, 26 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 2 Nov, arriving in Brussels International.Price includes taxes and charges.From $1,166, select.
      Seattle.$1,166 per passenger.Departing Wed, 16 Dec, returning Fri, 1 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Wed, 16 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Fri, 1 Jan, arriving in Brussels International.Price includes taxes and charges.From $1,166, select.
      Seattle.$1,166 per passenger.Departing Sat, 21 Nov, returning Sun, 29 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Sat, 21 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Sun, 29 Nov, arriving in Brussels International.Price includes taxes and charges.From $1,166, select.
      Seattle.$1,174 per passenger.Departing Fri, 4 Jun, returning Mon, 14 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Fri, 4 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 14 Jun, arriving in Brussels International.Price includes taxes and charges.From $1,174, select.
      Seattle.$1,174 per passenger.Departing Sat, 3 Apr, returning Sun, 11 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Sat, 3 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Sun, 11 Apr, arriving in Brussels International.Price includes taxes and charges.From $1,174, select.
      Seattle.$1,174 per passenger.Departing Sat, 9 Jan, returning Fri, 22 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Sat, 9 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Fri, 22 Jan, arriving in Brussels International.Price includes taxes and charges.From $1,174, select.
      Seattle.$1,174 per passenger.Departing Wed, 3 Mar, returning Sun, 14 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Brussels International on Wed, 3 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Sun, 14 Mar, arriving in Brussels International.Price includes taxes and charges.From $1,174, select.

      Find the cheapest month to fly from Brussels to Seattle / Tacoma International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Brussels to Seattle / Tacoma International flights are currently cheapest in February.
      Sep
      from $1,211
      Oct
      from $1,123
      Nov
      from $1,164
      Dec
      from $1,164
      Jan
      from $1,172
      Feb
      from $984
      Mar
      from $1,172
      Apr
      from $1,172
      May
      from $1,156
      Jun
      from $1,172
      Jul
      from $1,160
      Aug
      from $1,225

      Brussels to Seattle / Tacoma International: Alternative routes

      Compare routes from Brussels to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

      Seattle Lake Union SPB

      2km from central Seattle
      Closest
      Search flights

      Seattle Boeing Fld

      11km from central Seattle
      Search flights

      Seattle / Tacoma International

      20km from central Seattle
      Cheapest
      from $984
      Search flights

      Paine Field

      33km from central Seattle
      from $1,732
      Search flights

      Brussels to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found$984
      Cheapest month to flyFebruary

      Finding cheap flights from Brussels to Seattle / Tacoma International: Frequently asked questions

      The best price we found for a return flight from Brussels to Seattle / Tacoma International is $984. 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.
      Currently, there are no airlines that fly direct from Brussels to Seattle / Tacoma International. But we found flights with one stop from $985.
      As of September 2026, there are no flights flying from Brussels to Seattle / Tacoma International.
      The cheapest month to fly from Brussels to Seattle / Tacoma International is usually February.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Seattle / Tacoma International Airport on Monday, 1 February 2027.
      No airlines currently offer direct flights between Brussels and Seattle / Tacoma International Airport. Most routes have one or more stops.
      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 / Tacoma International 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.

      The cheapest airline that flies to Seattle / Tacoma International is Condor .

      Flying from Brussels to Seattle-Tacoma International Airport (SEA): What you need to know

      • Seattle-Tacoma International Airport is located in Seattle. The city is in the UTC-8 timezone and is nine hours behind Brussels.

      • Give yourself plenty of time to make your flight from Brussels to SEA. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • During popular months like September, you'll want to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during high season in general.

      Airports in Brussels

      Brussels Airport (BRU)

      • Stopovers are the perfect opportunity to take a travel break and perhaps even explore another city. When searching for cheap flights from Brussels to SEA leaving from Brussels Airport (BRU), deselect the 'Direct flights only' box to discover where you can stop along the way. Your journey might pause in:

        • London Heathrow Airport (LHR)

        • Frankfurt Airport (FRA)

        • Paris Charles de Gaulle Airport (CDG)

      • Located around 13 kilometres from central Brussels, BRU can be reached in about 25 minutes by car, depending on traffic. The journey by public transport is roughly 20 minutes.

      • Searching for a convenient hotel near Brussels Airport? If you're catching an early flight from Brussels to Seattle-Tacoma International Airport, these accommodation options will put you conveniently close to check-in:

      • 75% of flights that depart Brussels Airport reach their destination on time.

      Brussels South Charleroi Airport (CRL)

      • Break up your flight from Brussels to Seattle-Tacoma International Airport with a stop at Dublin Airport (DUB). A major connection between Brussels South Charleroi Airport and SEA, it's the perfect opportunity to relax before the next leg of your journey.

      • You can get to CRL from the centre of Brussels in approximately 55 minutes by car (depending on traffic). The ride by public transport will take roughly 1 hour 15 minutes to travel the 56 kilometres or so.

      • Want to treat yourself to an extra night away before boarding your Brussels to SEA flight? Relax in a hotel near Brussels South Charleroi Airport before your adventure officially begins. Here's where you can stay:

      • Brussels South Charleroi Airport has an on-time performance rate of 78%. This figure sheds light on how often flights that take off from this airport make it to their destination on time.

      About Seattle-Tacoma International Airport (SEA)

      Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

      • Seattle-Tacoma International Airport is around 23 kilometres from central Seattle. It takes around 25 minutes or so to drive to the city.

      • Travelling by public transport takes roughly 35 minutes.

      How to find the cheapest flights from Brussels to Seattle-Tacoma International Airport (SEA)

      • $671 is currently the lowest price for a one-way ticket from Brussels to Seattle-Tacoma International Airport. Return flights start at $985. These fares may change depending on demand and availability.

      • To pick up cheap flights from Brussels to SEA, book ahead. Airlines usually offer the most competitive fares when flights first go on sale.

      • Affordable Brussels to Seattle-Tacoma International Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.

      • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know when a new deal shows up on plane tickets from Brussels to SEA.

      • Save on your flight from Brussels to Seattle-Tacoma International Airport by using the search filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

      The best time to fly from Brussels to Seattle-Tacoma International Airport (SEA)

      • December is the quietest month for flights from Brussels to Seattle-Tacoma International Airport (SEA), while July is the most popular. Choose the ideal time to go to Seattle based on whether you want a laid-back vibe or a lively atmosphere.

      • Before locking in your Brussels to SEA plane ticket, consider the kind of weather you prefer. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • February sees temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from Brussels to Seattle-Tacoma International Airport around that time if you'd rather travel in cooler conditions.

      More about Seattle

      • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Seattle right here. Check out these options after you've booked your flight from Brussels to Seattle-Tacoma International Airport:

      • You'll find plenty of fantastic things to do in Seattle when you're ready to see the sights. Kick things off at Space Needle followed by Pike Place Market and Seattle Skyline.

      Explore more of the United States

      • Seattle has plenty to offer, but there are so many other corners of the United States waiting to be discovered. About 209 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with leading sights like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

      • Vancouver is another must-experience destination in the United States and is around 209 kilometres south of Seattle. No journey is complete without a visit to Reconstructed HBC Fort Vancouver, The Marshall House: Victorian Jewel of Officers Row and Clark County Historical Museum.

      Plan smart, explore more

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