C$364 Cheap Flights from Seattle (SEAA) to Brussels (BRUS)

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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? If you want to travel next month, return fares start from C$737. Find the lowest prices on one-way and return tickets right here.

Brussels.C$364 per passenger.Departing Mon., Apr. 20.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon., Apr. 20, arriving in Brussels S. Charleroi.Price includes taxes and charges.From C$364, select.

Brussels.C$380 per passenger.Departing Sat., May 9.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat., May 9, arriving in Brussels S. Charleroi.Price includes taxes and charges.From C$380, select.

Brussels.C$395 per passenger.Departing Wed., Nov. 18.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed., Nov. 18, arriving in Brussels International.Price includes taxes and charges.From C$395, select.

Brussels.C$443 per passenger.Departing Sun., Oct. 11.One-way flight with Air France.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Sun., Oct. 11, arriving in Brussels International.Price includes taxes and charges.From C$443, select.

Brussels.C$459 per passenger.Departing Tue., Sep. 15.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Tue., Sep. 15, arriving in Brussels International.Price includes taxes and charges.From C$459, select.

Brussels.C$497 per passenger.Departing Tue., Jun. 30.One-way flight with KLM.Outbound indirect flight with KLM, departs from Seattle / Tacoma International on Tue., Jun. 30, arriving in Brussels S. Charleroi.Price includes taxes and charges.From C$497, select.

Brussels.C$574 per passenger.Departing Sat., Aug. 15.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sat., Aug. 15, arriving in Brussels S. Charleroi.Price includes taxes and charges.From C$574, select.

Brussels.C$598 per passenger.Departing Sun., Dec. 13.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Sun., Dec. 13, arriving in Brussels International.Price includes taxes and charges.From C$598, 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 April.

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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	C$364
Cheapest month to fly	April

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 C$737. 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 C$737.

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

As of March 2026, 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 April.

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 C$737.

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 Wednesday, April 15, 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 March, 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 .

Travelling from Seattle to Brussels: what you need to know

Get your vacation planning started by considering where you'll catch your flight from Seattle to Brussels. Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are the main airports in Seattle.
Step off your plane in Brussels at Brussels Airport (BRU) or Brussels S. Charleroi Airport (CRL).
For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Seattle to Brussels.
Flying during a peak month such as July? Major public holidays and other high seasons can mean longer queues at security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.
You can travel to Belgium for tourism purposes without a visa if you have a passport from United States. But before organizing your cheap flight from Seattle to Brussels, double-check for the newest rules and regulations. Visa rules are subject to change, and you may require some travel documentation if your trip is for business or other reasons.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

Consider adding a stopover to possibly find a cheaper flight from Seattle to Brussels. Simply uncheck 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport. Take a pause at one of these airports:
- Helsinki-Vantaa Airport (HEL)
- Dublin Airport (DUB)
- London Heathrow Airport (LHR)
Located around 23 kilometres from central Seattle, SEA can be reached in about 18 minutes by car (depending on traffic). The same journey on public transport will take roughly 54 minutes.
Looking for a handy hotel near Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Brussels, these stays will have you sleeping moments from check-in:

Lake Union Sea Plane Base Airport (LKE)

Visit family or friends or just take a moment to refresh yourself with a stopover. If you'd like to split up your flight from Seattle to Brussels, browse these options when heading out from Seattle-Tacoma International Airport:
- Helsinki-Vantaa Airport (HEL)
- Dublin Airport (DUB)
- London Heathrow Airport (LHR)
You can reach LKE from the centre of Seattle in approximately 11 minutes by car (depending on traffic). The ride on public transport takes roughly 23 minutes to travel the 3 kilometres or so.
Want to enjoy an extra night away before your flight from Seattle to Brussels? Kick back in a hotel near Lake Union Sea Plane Base Airport before your vacation officially begins. Stay at one of these accommodation options:

Arriving in Brussels

Brussels Airport (BRU)

Brussels Airport (BRU) is around 14 kilometres from the centre of Brussels. With a cab or in your own car rental, the drive is about 21 minutes.
If you're travelling on public transport, expect a journey of about 39 minutes.
If you're arriving on a late flight from Seattle to Brussels, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and relaxing soon after at one of these hotels near BRU:

Brussels S. Charleroi Airport (CRL)

Brussels S. Charleroi Airport (CRL) is roughly 56 kilometres from central Brussels. After your flight from Seattle to Brussels, expect a drive time of approximately 56 minutes to get to the heart of the city.
You can expect the journey to take approximately 1 hour and 37 minutes on public transport.
After your flight from Seattle to Brussels, settle in at a hotel close to CRL. These are some comfortable accommodation options that'll help you switch to relaxation mode:

How to find the cheapest flights from Seattle to Brussels

Currently, C$364 is the lowest price we've found for a one-way ticket from Seattle to Brussels. The cheapest price for a return flight is C$737. Bear in mind fares may change due to demand at the time of booking.
To find cheap flights from Seattle to Brussels, book in advance. Airlines usually offer lower fares when flights are first made available.
The 'Whole month' search function shows you the cheapest tickets from Seattle to Brussels across every month. It's a great way to find a bargain if your dates aren't set in stone.
Set up a Price Alert for cheap flights from Seattle to Brussels. There's no need to look every day to see if fares have dropped. We'll update you the moment the price changes.
Use filters to tailor your flights from Seattle to Brussels. Simply select your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Best time to go to Brussels

It's time to figure out your dates for your flight from Seattle to Brussels. July is the most popular month to travel to Brussels. If you prefer a more low-key vibe, go in February.
The warmest month in Brussels is August, with temperatures ranging between 12ºC and 27ºC. Book your flights from Seattle to Brussels in this month if you enjoy this type of weather.
If you want cooler conditions, look for a cheap ticket from Seattle to Brussels in January when temperatures average between -2ºC and 8ºC.

More about Brussels

When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Brussels right here. Browse these options after you've booked your flight from Seattle to Brussels:
Grand Place and Atomium are a couple of top-rated attractions to put on your Brussels travel itinerary. Keep the sightseeing going at Manneken Pis.

Complete your Brussels trip with a car rental

We use the same magic that helped you find your cheap flight from Seattle to Brussels to track down amazing deals on car rentals. Search for your ride in seconds and easily compare your options. Plus you'll find all the info you need to drive in Brussels, from the most popular car type to the average daily price.