C$572 Cheap Flights from Brussels (BRUS) to Seattle (SEAA)

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Flight deals from Brussels to Seattle

Looking for a cheap last-minute deal or the best return flight from Brussels to Seattle? If you want to travel next month, return fares start from C$1,007. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Brussels to Seattle flights are currently cheapest in September.

Brussels to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$572
Cheapest month to flySeptember

Finding cheap flights from Brussels 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 Brussels to Seattle is C$969. 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. But we found flights with one or more stops from C$969.
As of May 2026, there are no flights flying from Brussels to Seattle.
The cheapest month to fly from Brussels to Seattle is usually May.
If you're flying from Brussels, 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 C$969.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Seattle on Wednesday, May 20, 2026.
No airlines currently offer direct flights between Brussels and Seattle. 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 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 May, the average temperature is usually around 12°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.
The cheapest airline that flies to Seattle is Ryanair .

Travelling from Brussels to Seattle: what you need to know

  • Start your travel planning by considering where you'll take off for your flight from Brussels to Seattle. Brussels Airport (BRU) and Brussels S. Charleroi Airport (CRL) are the main airports in Brussels.

  • When it comes to planning your arrival in Seattle, Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are the major hubs.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your flight from Brussels to Seattle.

  • Taking off during a peak period like public or school holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • If you hold a passport from Belgium, you will need an ETA to visit United States. This applies when booking a cheap flight from Brussels to Seattle for tourism purposes. The rules may be different if you're travelling for work or other reasons. Always check official visa guidelines ahead of booking and certainly before flying.

Flying from Brussels

Brussels Airport (BRU)

  • Consider adding a stopover to potentially save on your flight from Brussels to Seattle. Simply deselect 'Direct flights only' when browsing departures from Brussels Airport. Take a break (and maybe save some cash) by stopping at one of these airports:

    • Charles de Gaulle Airport (CDG)

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

  • The journey from central Brussels to BRU takes approximately 39 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 14 kilometres in 21 minutes or so, depending on traffic conditions.

  • Want a convenient hotel near Brussels Airport? If you're boarding an early flight from Brussels to Seattle, these accommodation options will have you moments from your departure lounge:

Brussels S. Charleroi Airport (CRL)

  • Maximize your vacation with a stopover on your flight from Brussels to Seattle. Visit friends or family or cross another city off your list. Whatever you choose to do, check out these stops between Brussels Airport and Seattle:

    • Charles de Gaulle Airport (CDG)

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

  • On public transport, you can travel from central Brussels to CRL in about 1 hour and 37 minutes. The airport is roughly 56 kilometres away, and getting there by car takes approximately 56 minutes.

  • You're going on vacation, so why not enjoy an extra night away? Think about staying at one of these hotels near Brussels S. Charleroi Airport the day before your flight from Brussels to Seattle:

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 23 kilometres. It'll take you around 18 minutes to get to the centre driving.

  • It takes roughly 54 minutes if you're travelling by public transport.

  • If you have a late flight from Brussels to Seattle, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and relaxing not long after at one of these accommodation options near SEA:

Lake Union Sea Plane Base Airport (LKE)

How to find the cheapest flights from Brussels to Seattle

  • At the moment, C$572 is the best price we've seen for a one-way ticket from Brussels to Seattle. The cheapest price for a return flight is C$969. Bear in mind fares may change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to get cheap flights from Brussels to Seattle if you book ahead. Airlines often offer some excellent early bird deals.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the lowest price in every month when looking for your ticket from Brussels to Seattle.

  • Set up a Price Alert for cheap flights from Brussels to Seattle. You don't need to check every day to see whether fares have dropped. We'll notify you when there's a change in price.

  • Use filters to tailor your flights from Brussels to Seattle. Simply enter your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to find the best deals.

Best time to go to Seattle

  • May is the quietest month for flights from Brussels to Seattle, 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 more bustling atmosphere.

  • Before booking a flight from Brussels to Seattle, think about the kind of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC to 28ºC.

  • Search for cheap flights from Brussels to Seattle in February if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC and 11ºC on average.

More about Seattle

Complete your Seattle trip with a car rental

  • Browse our lineup of car rentals once you've booked your hotel and cheap flight from Brussels to Seattle. Whether you're looking for an SUV, a compact ride or anything in between, you can easily compare companies in one go to find the perfect deal.

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