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Cheap flights from Ontario to Brussels from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Brussels departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 8:55 amONT  Ontario-BRU Brussels Bruxelles-National
16h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
10:00 am - 3:59 pmBRU  Brussels Bruxelles-National-ONT Ontario
38h 59m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730United Airlines
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
4:03 pm - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
60h 12m2 stops San Francisco London Heathrow
United Airlines Logo
10:00 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
41h 44m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$731United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
4:03 pm - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
60h 12m2 stops San Francisco London Heathrow
United Airlines Logo
10:10 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 34m1 stop Chicago O'Hare Intl
$752United Airlines
Sun, Jan 10 - Thu, Jan 14
United Airlines Logo
1:00 pm - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
15h 15m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 34m1 stop Chicago O'Hare Intl
$753United Airlines
Mon, Feb 1 - Wed, Feb 24
United Airlines Logo
6:45 am - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
21h 30m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
10:10 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 34m1 stop Chicago O'Hare Intl
$753United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
1:00 pm - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
15h 15m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 34m1 stop Chicago O'Hare Intl
$753United Airlines
Sun, Jan 31 - Wed, Feb 24
United Airlines Logo
1:00 pm - 1:15 pmONT  Ontario-BRU Brussels Bruxelles-National
15h 15m2 stops Denver Intl London Heathrow
United Airlines Logo
10:10 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 34m1 stop Chicago O'Hare Intl
$753United Airlines
Tue, Feb 2 - Fri, Feb 19
Multiple Airlines Logo
6:00 am - 7:50 amONT  Ontario-BRU Brussels Bruxelles-National
16h 50m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 44m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$763Multiple Airlines
Wed, Feb 10 - Wed, Feb 17
Multiple Airlines Logo
6:45 am - 7:50 amONT  Ontario-BRU Brussels Bruxelles-National
16h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 am - 6:44 pmBRU  Brussels Bruxelles-National-ONT Ontario
17h 44m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$763Multiple Airlines
Tue, Feb 2 - Fri, Feb 19
Delta Logo
12:00 pm - 11:00 amONT  Ontario-BRU Brussels Bruxelles-National
14h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 am - 4:12 pmBRU  Brussels Bruxelles-National-ONT Ontario
19h 02m2 stops Amsterdam Schiphol Salt Lake City
$764Delta
Sun, Dec 27 - Tue, Jan 12

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United Airlines flights from Ontario to Brussels Bruxelles-National Airport

Our best United Airlines deals on Ontario to Brussels Bruxelles-National Airport flight tickets
United Airlines
Nov 18
ONT7:00 amOntario
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Nov 25
BRU10:00 amBrussels Bruxelles-National
38h 59m
2 stops
ONT3:59 pmOntario
$730
United Airlines
Jan 11
ONT4:03 pmOntario
60h 12m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 15
BRU10:00 amBrussels Bruxelles-National
41h 44m
2 stops
ONT6:44 pmOntario
$731
United Airlines
Jan 10
ONT4:03 pmOntario
60h 12m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 14
BRU10:10 amBrussels Bruxelles-National
17h 34m
1 stop
ONT6:44 pmOntario
$752

British Airways flights from Ontario to Brussels Bruxelles-National Airport

Our best British Airways deals on Ontario to Brussels Bruxelles-National Airport flight tickets
British Airways
Nov 18
ONT2:22 pmOntario
16h 58m
2 stops
BRU4:20 pmBrussels Bruxelles-National
Nov 25
BRU12:00 pmBrussels Bruxelles-National
20h 52m
2 stops
ONT11:52 pmOntario
$795
British Airways
Dec 5
ONT2:22 pmOntario
17h 13m
2 stops
BRU4:35 pmBrussels Bruxelles-National
Dec 23
BRU12:00 pmBrussels Bruxelles-National
19h 02m
2 stops
ONT10:02 pmOntario
$845
British Airways
Nov 26
ONT2:22 pmOntario
17h 33m
2 stops
BRU4:55 pmBrussels Bruxelles-National
Dec 1
BRU12:05 pmBrussels Bruxelles-National
20h 47m
2 stops
ONT11:52 pmOntario
$966

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Brussels Bruxelles-National Airport 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, momondo users made 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Ontario to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Wed 11/18

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Wed 11/25

10:00 am-3:59 pm

2 stops38h 59m

$730

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Mon 1/11

4:03 pm-1:15 pm

2 stops60h 12m

Brussels Bruxelles-National

Fri 1/15

10:00 am-6:44 pm

2 stops41h 44m

$731

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Sun 1/10

4:03 pm-1:15 pm

2 stops60h 12m

Brussels Bruxelles-National

Thu 1/14

10:10 am-6:44 pm

1 stop17h 34m

$752
Quickest round-trip

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Mon 2/1

1:00 pm-1:15 pm

2 stops15h 15m

Brussels Bruxelles-National

Wed 2/24

10:10 am-6:44 pm

1 stop17h 34m

$753

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Mon 1/11

6:45 am-1:15 pm

2 stops21h 30m

Brussels Bruxelles-National

Fri 1/15

10:10 am-6:44 pm

1 stop17h 34m

$753

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Sun 1/31

1:00 pm-1:15 pm

2 stops15h 15m

Brussels Bruxelles-National

Wed 2/24

10:10 am-6:44 pm

1 stop17h 34m

$753

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Tue 2/2

1:00 pm-1:15 pm

2 stops15h 15m

Brussels Bruxelles-National

Fri 2/19

10:10 am-6:44 pm

1 stop17h 34m

$753

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Wed 2/10

6:00 am-7:50 am

2 stops16h 50m

Brussels Bruxelles-National

Wed 2/17

10:00 am-6:44 pm

2 stops17h 44m

$763

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Tue 2/2

6:45 am-7:50 am

2 stops16h 05m

Brussels Bruxelles-National

Fri 2/19

10:00 am-6:44 pm

2 stops17h 44m

$763

OntarioBrussels

ONT Ontario - BRU Brussels Bruxelles-National

ONTBRU

Ontario

Sun 12/27

12:00 pm-11:00 am

1 stop14h 00m

Brussels Bruxelles-National

Tue 1/12

6:10 am-4:12 pm

2 stops19h 02m

$764

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Brussels Bruxelles-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Ontario to Brussels Bruxelles-National Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Ontario to Brussels Bruxelles-National Airport flight.

When to book flights from Ontario to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Brussels Bruxelles-National Airport (ONT to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Brussels Bruxelles-National Airport

Fastest flight time

15h 35m

Direct flights

None
The fastest flight from Ontario to Brussels Bruxelles-National Airport takes 15h 35m
There are no direct flights from Ontario to Brussels Bruxelles-National Airport. There are no popular flight routes from Ontario to Brussels Bruxelles-National Airport.
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Frequently asked questions about flying from Ontario to Brussels Bruxelles-National Airport

  • How far is Ontario to Brussels Bruxelles-National by plane?

    The distance between Ontario and Brussels Bruxelles-National is about 5591.3 mi. By plane, this route typically takes 15h 35m.

  • When did momondo last update prices for flights from Ontario Airport to Brussels Bruxelles-National Airport?

    Prices for flights from Ontario Airport to Brussels Bruxelles-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Ontario Airport to Brussels Bruxelles-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The required travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Brussels Bruxelles-National Airport?

Best airlines flying from Ontario to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Ontario to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $656Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Dinant
Mons
Durbuy
Zaventem
Charleroi
Genk
Aalst
Waterloo
Namur
Knokke-Heist
Spa
Hasselt
Mechelen
Francorchamps
Halle

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Brussels?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Ontario.

Can I find flights from Ontario to Brussels with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Brussels from Ontario with this policy.

How can momondo help me find flights from Ontario to Brussels?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Ontario.

I’m not ready to book a flight from Ontario to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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