CA $393 Cheap Flights from Seattle (SEA) to Brussels (BRU)

View CA $393 flight on Sat, Oct 10, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Brussels Airport (BRU)

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Cheap flights from Seattle (SEA) to Brussels (BRU)

Prices were available within the past 7 days and start at CA $393 for one-way flights and CA $859 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Oct 10 - Sat, Oct 24
SEA
Seattle
BRU
Brussels
CA $859 Roundtrip, found 1 hour ago
CA $859
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Sat, Oct 10 from Seattle to Brussels, returning Sat, Oct 24, priced at CA $859 found 1 hour ago
Icelandair
Thu, Oct 22 - Thu, Oct 29
SEA
Seattle
BRU
Brussels
CA $893 Roundtrip, found 4 days ago
CA $893
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Oct 22 from Seattle to Brussels, returning Thu, Oct 29, priced at CA $893 found 4 days ago
American Airlines
Sun, Nov 15 - Sun, Nov 22
SEA
Seattle
BRU
Brussels
CA $1,008 Roundtrip, found 4 days ago
CA $1,008
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Nov 15 from Seattle to Brussels, returning Sun, Nov 22, priced at CA $1,008 found 4 days ago
Icelandair
Mon, Aug 17 - Sun, Sep 6
SEA
Seattle
BRU
Brussels
CA $1,016 Roundtrip, found 2 days ago
CA $1,016
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Aug 17 from Seattle to Brussels, returning Sun, Sep 6, priced at CA $1,016 found 2 days ago
Delta
Sun, Nov 15 - Sun, Nov 22
SEA
Seattle
BRU
Brussels
CA $1,076 Roundtrip, found 4 days ago
CA $1,076
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Nov 15 from Seattle to Brussels, returning Sun, Nov 22, priced at CA $1,076 found 4 days ago
Air Canada
Tue, Aug 25 - Thu, Sep 10
SEA
Seattle
BRU
Brussels
CA $1,080 Roundtrip, found 1 hour ago
CA $1,080
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Tue, Aug 25 from Seattle to Brussels, returning Thu, Sep 10, priced at CA $1,080 found 1 hour ago
Air Canada
Tue, Aug 25 - Thu, Sep 10
SEA
Seattle
BRU
Brussels
CA $1,080 Roundtrip, found 1 hour ago
CA $1,080
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Tue, Aug 25 from Seattle to Brussels, returning Thu, Sep 10, priced at CA $1,080 found 1 hour ago
Aer Lingus
Tue, Aug 25 - Thu, Sep 10
SEA
Seattle
BRU
Brussels
CA $1,086 Roundtrip, found 1 hour ago
CA $1,086
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Tue, Aug 25 from Seattle to Brussels, returning Thu, Sep 10, priced at CA $1,086 found 1 hour ago
Aer Lingus
Sun, Nov 15 - Sun, Nov 22
SEA
Seattle
BRU
Brussels
CA $1,131 Roundtrip, found 4 days ago
CA $1,131
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sun, Nov 15 from Seattle to Brussels, returning Sun, Nov 22, priced at CA $1,131 found 4 days ago
Air Canada
Sat, Oct 10 - Sat, Oct 24
SEA
Seattle
BRU
Brussels
CA $1,162 Roundtrip, found 1 hour ago
CA $1,162
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Sat, Oct 10 from Seattle to Brussels, returning Sat, Oct 24, priced at CA $1,162 found 1 hour ago

Find the cheapest month to fly from Seattle (SEA) to Brussels (BRU)

November is typically the cheapest month to fly

From CA $841 - CA $1,170 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) cost?
One-way flights typically cost between $1,414 and $9,606 and return flights often range between $1,414 and $9,606. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
February is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU), with average round-trip fares around 1508 CAD. This is about 21% lower than the average price throughout the year. February often sees lower prices because it falls outside of peak holiday seasons, when demand for travel tends to decrease. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU) include August and September.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
When looking for the best time to fly from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU), it's a balance between price and popularity. Based on booking data from the past year, you'll find the cheapest flights in February and September, with average prices around 1508 CAD. However, the most popular months for this route are August and April. Since there isn't an overlap between the cheapest and most popular months, you can choose based on your priority: save money in February or September, or enjoy more flight options and potentially better weather during the popular months of August and April.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
There are approximately 69 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU). Some common connection points include O'Hare Intl. (ORD), Vancouver Intl. (YVR), and Pearson Intl. (YYZ).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU) typically departs at approximately 12:05 AM local time, operated by United Airlines. This is a seasonal service active in November. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU) on a Friday, with around 81 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and American Airlines. Compared to other days, Friday offers notably more flight options, making it a great day to consider for your journey.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Brussels - National (BRU) are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines and Air Canada, offer flights during this window. These times work well because you can get an early start to your journey and arrive in Brussels with plenty of time to settle in.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
A flight from SEA to BRU with a layover takes around 17 hours, with the route covering approximately 4,945 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
Select the "Business class" and "First class" filters when looking for SEA to BRU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Brussels from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Brussels from Seattle - Tacoma Intl. (SEA), you can fly into Brussels - National (BRU) Some flights may connect through major hubs like O'Hare Intl. (ORD), Vancouver Intl. (YVR), Dallas-Fort Worth Intl. (DFW) before reaching Brussels. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Brussels (BRU-Brussels - National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Brussels - National
Roundtrip price
CA $858
Distance
7911 km

Book with confidence

Seattle to Brussels Flights

The easy way to book your flights from Seattle to Brussels 

With Expedia, it’s simple to find and book flights to Brussels from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Brussels - National, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Brussels today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Brussels - National, BRU 

Sort your search results by price to find great deals on your flight from Seattle to Brussels—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Brussels from Seattle currently is just CA $859 rising to CA $1,162.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Brussels  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Brussels from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Brussels with Expedia today.

Seattle to Brussels Flights

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*Available to Expedia members.