Cheap Flights from Seattle to Brussels

Compare Seattle to Brussels flight deals

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

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Flight deals from Seattle to Brussels

Looking for a cheap last-minute deal or the best return flight from Seattle to Brussels? Find the lowest prices on one-way and return tickets right here.

Brussels.Rs85,685 per passenger.Departing Tue, 24 Mar.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Tue, 24 Mar, arriving in Brussels International.Price includes taxes and charges.From Rs85,685, select.

Brussels.Rs95,198 per passenger.Departing Tue, 26 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Tue, 26 May, arriving in Brussels International.Price includes taxes and charges.From Rs95,198, select.

Brussels.Rs98,108 per passenger.Departing Fri, 12 Dec.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Fri, 12 Dec, arriving in Brussels S. Charleroi.Price includes taxes and charges.From Rs98,108, select.

Brussels.Rs101,619 per passenger.Departing Wed, 7 Jan.One-way flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from Seattle / Tacoma International on Wed, 7 Jan, arriving in Brussels International.Price includes taxes and charges.From Rs101,619, select.

Brussels.Rs111,064 per passenger.Departing Sun, 16 Aug.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Sun, 16 Aug, arriving in Brussels International.Price includes taxes and charges.From Rs111,064, select.

Brussels.Rs117,893 per passenger.Departing Tue, 15 Sep.One-way flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 15 Sep, arriving in Brussels International.Price includes taxes and charges.From Rs117,893, select.

Brussels.Rs124,816 per passenger.Departing Wed, 29 Jul.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Wed, 29 Jul, arriving in Brussels International.Price includes taxes and charges.From Rs124,816, select.

Brussels.Rs126,122 per passenger.Departing Fri, 28 Nov.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Fri, 28 Nov, arriving in Brussels International.Price includes taxes and charges.From Rs126,122, select.

Find the cheapest month to fly from Seattle to Brussels

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

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Alternative Seattle to Brussels routes

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

Seattle to Brussels: Flight information

The things to know before you go.

Cheapest flight found	Rs85,685
Cheapest month to fly	March

Finding cheap flights from Seattle to Brussels: Frequently asked questions

How many airports are there in Brussels?

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.

How much are return flights from Seattle to Brussels?

The best price we found for a return flight from Seattle to Brussels is Rs116,308. 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.

Which airlines fly direct from Seattle to Brussels?

Currently, there are no airlines that fly direct from Seattle to Brussels. But we found flights with one or more stops from Rs116,308.

How many flights are there a week from Seattle to Brussels?

As of November 2025, there are no flights flying from Seattle to Brussels.

When is the cheapest time to fly from Seattle to Brussels?

The cheapest month to fly from Seattle to Brussels is usually January.

Which is the cheapest airport to fly into in Brussels?

If you're flying from Seattle, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the centre of Brussels. We've found flights into this airport from Rs116,308.

Which upcoming date is cheapest to fly from Seattle to Brussels on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Brussels on Thursday, 29 January 2026.

Can I get a direct flight from Seattle to Brussels?

No airlines currently offer direct flights between Seattle and Brussels. Most routes have one or more stops.

How can I get the best flight deal from Seattle to Brussels?

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 Brussels 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.

When is the best time to book flights to Brussels?

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

What’s the weather like in Brussels?

In November, the average temperature is usually around 6°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.

Which is the cheapest airline to fly from Seattle to Brussels with?

The cheapest airline that flies to Brussels is Icelandair .

Flying from Seattle to Brussels: what you need to know

Begin planning your holiday by considering where you'll catch your flight from Seattle to Brussels. Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are Seattle's main airports.
Hop off your plane in Brussels at Brussels Airport (BRU) or Brussels S. Charleroi Airport (CRL).
Brussels is eight hours ahead of Seattle and follows the UTC+1 timezone.
For a relaxed travel experience, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your Seattle to Brussels flight.
Travelling during a peak time like July? School holidays and other popular periods can mean longer lines at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Seattle to Brussels

Don't leave things to the last minute. You're more likely to find cheap Seattle to Brussels flights if you book in advance. Airlines often offer some excellent early bird deals.
If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your plane ticket from Seattle to Brussels.
You don't need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know when a better deal comes up on cheap flights from Seattle to Brussels.
Tailor your travel plans using filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' Seattle to Brussels flights.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

Consider adding a stopover to potentially save money on your Seattle to Brussels flight. Just deselect 'Direct flights only' when searching for departures from Seattle-Tacoma International Airport. Take a break from travelling at one of these popular options:
- London Heathrow Airport (LHR)
- Charles de Gaulle Airport (CDG)
- Dublin Airport (DUB)
SEA is around 18 kilometres from central Seattle. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 55 minutes.
Looking for a convenient hotel near Seattle-Tacoma International Airport? If you're boarding an early flight from Seattle to Brussels, these stays will have you sleeping moments from check-in:
Seattle-Tacoma International Airport scores high marks for its on-time performance. 81.27% of flights that take off from SEA arrive at their destination as scheduled.

Arriving in Brussels

Brussels Airport (BRU)

Brussels Airport (BRU) to central Brussels takes around 20 minutes to reach by car. The centre is roughly 11 kilometres away.
Travelling to the centre by public transport typically takes 40 minutes.
Reserve a hotel near BRU if you have a late flight from Seattle to Brussels. Check in to one of these options and avoid the hassle of a long transfer:
Fast-track your adventure by picking up a Brussels Airport rental car. Grab a set of wheels from Keddy By Europcar, Alamo or Europcar and explore beyond Brussels's main sights.
To secure the lowest price, book your vehicle from Brussels Airport around three weeks ahead of your Seattle to Brussels flight.

Brussels S. Charleroi Airport (CRL)

Brussels S. Charleroi Airport (CRL) is around 48 kilometres from the centre of Brussels. After your flight from Seattle to Brussels, it'll take you approximately 55 minutes to reach the heart of the city in a ride-share or cab.
If you choose to travel on public transport, the ride to the centre takes 1 hour 35 minutes or so.
You'll find some great places to call home for the night near CRL. Kick back after your Seattle to Brussels flight at any of these perfectly located options:
Forget about inconvenient public transport schedules or waiting forever for a cab. Pick up a Brussels S. Charleroi Airport rental car and let the journey unfold your way. Compare rates and availability from Keddy By Europcar, Thrifty and Budget.
Avoid last-minute price surges. Booking your ride two weeks ahead of your arrival at CRL will save you money.

Best time to go to Brussels

January is the quietest month for flights from Seattle to Brussels, while July is the most popular. Pick the ideal time to visit Brussels based on whether you want a laid-back vibe or a lively atmosphere.
The warmest month in Brussels is August, with temperatures ranging between 12ºC and 27ºC. Book your Seattle to Brussels ticket then if that's your ideal forecast.
If you want cooler conditions, look for a cheap flight from Seattle to Brussels in January when temperatures average between -2ºC and 8ºC.

More about Brussels

When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Brussels right here. Check out these options after locking in your flight from Seattle to Brussels:
All great adventures should include some sightseeing. Grand Place, Atomium and Manneken Pis are essential stops on your Brussels itinerary.

Explore more of Belgium

Brussels has plenty going for it, but there are so many other corners of Belgium just waiting to be discovered. About 48 kilometres south of Brussels, a trip to Charleroi will keep your itinerary packed. Start with popular sights like Parc Gobbe, Maison Dermine (art déco — 1921) and Parc Ligny.
If you're ready to explore another side of Belgium, head for Liege, about 88 kilometres east of Brussels. Gare de Liege-Guillemins, Curtius Museum and Montagne de Bueren are key reasons to visit.