HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bruxelles-National

$399+ Cheap flights from Ontario (ONT) to Bruxelles-National (BRU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BRU
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Bruxelles-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Bruxelles-National

Cheapest flights from Ontario to Bruxelles-National
Explore the most affordable flight options available from Ontario to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Tue 1/611:15 amBRU - ONT
3 stops33h 03mUnited Airlines
Deal found 12/15$1,369
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amONT - BRU
2 stops23h 10mUnited Airlines
Mon 12/2910:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/14$1,615
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Fri 1/210:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/15$1,696
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Fri 1/210:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/15$1,747
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Sun 1/410:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/15$1,773
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Thu 1/110:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/16$1,792
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:59 pmONT - BRU
1 stop23h 56mUnited Airlines
Thu 1/110:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/16$1,922
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:05 amONT - BRU
2 stops17h 45mUnited Airlines
Sun 12/2810:10 amBRU - ONT
1 stop21h 15mUnited Airlines
Deal found 12/15$2,348

Find flight deals from Ontario to Bruxelles-National

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Bruxelles-National (BRU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$509
(United Airlines)

One-way from

$399
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$897
Provider with most accurate pricing for Ontario-Brussels Bruxelles-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Brussels Bruxelles-National flights.
Search Deals
From Ontario to Brussels Bruxelles-National
Search Deals
One-way flight from Ontario to Brussels Bruxelles-National
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bruxelles-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Ontario to Brussels Bruxelles-National Airport that are best for you.

Fly from

Ontario

Fly to

Bruxelles-National

Route

Depart

Return

Price

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 2/11

1:53 pm-1:15 pm

2 stops38h 22m

Brussels Bruxelles-National

Sun 2/15

10:10 am-8:50 pm

2 stops19h 40m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/5

3:09 pm-5:00 pm

2 stops16h 51m

Brussels Bruxelles-National

Sun 2/8

11:20 am-10:13 pm

2 stops19h 53m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 1/15

3:09 pm-5:00 pm

2 stops16h 51m

Brussels Bruxelles-National

Thu 1/22

10:15 am-10:13 pm

2 stops20h 58m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/5

1:24 pm-1:15 pm

2 stops14h 51m

Brussels Bruxelles-National

Thu 2/19

11:55 am-10:57 pm

2 stops20h 02m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 1/15

3:09 pm-5:00 pm

2 stops16h 51m

Brussels Bruxelles-National

Thu 1/29

10:15 am-10:13 pm

2 stops20h 58m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 2/4

4:45 pm-7:35 pm

2 stops17h 50m

Brussels Bruxelles-National

Sun 2/8

11:20 am-10:48 pm

2 stops20h 28m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sat 1/24

3:09 pm-4:35 pm

2 stops16h 26m

Brussels Bruxelles-National

Thu 2/5

10:15 am-10:48 pm

2 stops21h 33m

$509

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 3/16

5:15 am-7:50 am

2 stops18h 35m

Brussels Bruxelles-National

Tue 3/24

10:10 am-10:25 pm

1 stop20h 15m

$511

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 2/6

6:00 am-1:15 pm

2 stops22h 15m

Brussels Bruxelles-National

Thu 2/19

10:30 am-10:57 pm

2 stops21h 27m

$512

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/5

6:39 pm-1:15 pm

3 stops33h 36m

Brussels Bruxelles-National

Wed 2/18

10:30 am-10:57 pm

2 stops21h 27m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to Bruxelles-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Bruxelles-National in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Brussels Bruxelles-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Brussels Bruxelles-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Brussels Bruxelles-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Brussels Bruxelles-National Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Brussels Bruxelles-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Bruxelles-National

Have a flexible travel schedule? Discover the best time to fly to Bruxelles-National from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Brussels Bruxelles-National Airport

What is the cheapest month to book a flight from Ontario to Brussels Bruxelles-National Airport?

Currently, March is the cheapest month in which you can book a flight from Ontario to Brussels Bruxelles-National Airport (average of $441). Flying from Ontario to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bruxelles-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Brussels Bruxelles-National?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Brussels Bruxelles-National from Ontario. Booking flights from Ontario (ONT) to Brussels Bruxelles-National should be relatively easy as there are 0 daily outbound flights to Brussels Bruxelles-National from 0 different airlines.

  • How long is the flight from Ontario to Brussels Bruxelles-National Airport?

    Departing from Ontario to Brussels Bruxelles-National Airport will take you 16h 51m. There are 5590 mi between Ontario and Brussels Bruxelles-National Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Bruxelles-National that include hotel bookings?

    Yes. In addition to deals on Ontario to Bruxelles-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Bruxelles-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Bruxelles-National.

  • Can I find deals for business class flights from Ontario to Bruxelles-National?

    Yes. Cheapflights offers flight deals from Ontario to Bruxelles-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Brussels Bruxelles-National Airport?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Brussels Bruxelles-National Airport (average of $441). Flying from Ontario to Brussels Bruxelles-National Airport in June is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Brussels Bruxelles-National Airport?

Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locations
Mons
Hasselt
Charleroi
Mechelen
Zaventem

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.