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Cheap flights from Ontario to Brussels from $396

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 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:50 pm - 7:50 am
ONT
-
BRU
34h 00m
2 stops
United Airlines Logo
10:00 am - 10:18 pm
BRU
-
ONT
44h 18m
2 stops
$492United Airlines
Sun, Mar 15 - Wed, Mar 25
Delta Logo
10:20 pm - 8:00 am
ONT
-
BRU
24h 40m
1 stop
Delta Logo
10:00 am - 9:00 pm
BRU
-
ONT
19h 00m
1 stop
$500Delta
Sat, Mar 7 - Mon, Mar 23
United Airlines Logo
11:59 pm - 7:55 am
ONT
-
BRU
23h 56m
1 stop
United Airlines Logo
10:10 am - 10:18 pm
BRU
-
ONT
20h 08m
1 stop
$508United Airlines
Sun, Mar 8 - Sun, Mar 15
British Airways Logo
4:45 pm - 9:00 pm
ONT
-
BRU
19h 15m
2 stops
British Airways Logo
8:45 pm - 4:22 pm
BRU
-
ONT
28h 37m
2 stops
$532British Airways
Mon, Feb 9 - Mon, Feb 16
United Airlines Logo
6:00 am - 8:55 am
ONT
-
BRU
41h 55m
2 stops
United Airlines Logo
4:55 pm - 5:43 pm
BRU
-
ONT
57h 48m
2 stops
$574United Airlines
Thu, Feb 5 - Mon, Feb 9
United Airlines Logo
5:15 am - 7:50 am
ONT
-
BRU
18h 35m
2 stops
United Airlines Logo
9:25 am - 10:26 pm
BRU
-
ONT
46h 01m
2 stops
$590United Airlines
Wed, Mar 25 - Wed, Apr 8
United Airlines Logo
5:00 am - 7:50 am
ONT
-
BRU
17h 50m
2 stops
United Airlines Logo
11:15 am - 9:59 pm
BRU
-
ONT
19h 44m
2 stops
$606United Airlines
Sun, Feb 22 - Sun, Mar 1
Scandinavian Airlines Logo
10:25 pm - 7:40 am
ONT
-
BRU
24h 15m
1 stop
Scandinavian Airlines Logo
9:45 am - 6:28 pm
BRU
-
ONT
17h 43m
1 stop
$608Scandinavian Airlines
Tue, Apr 7 - Thu, Apr 30
British Airways Logo
5:02 pm - 7:30 pm
ONT
-
BRU
18h 28m
2 stops
British Airways Logo
10:45 am - 9:59 pm
BRU
-
ONT
20h 14m
2 stops
$613British Airways
Thu, Mar 19 - Fri, Apr 10
British Airways Logo
12:57 pm - 5:20 pm
ONT
-
BRU
19h 23m
2 stops
British Airways Logo
11:35 am - 10:49 pm
BRU
-
ONT
20h 14m
2 stops
$632British Airways
Fri, Feb 6 - Sat, Feb 21

KLM flights from Ontario to Brussels Bruxelles-National Airport

Our best KLM deals on Ontario to Brussels Bruxelles-National Airport flight tickets
KLM
May 23
ONT10:59 pmOntario
23h 41m
1 stop
BRU7:40 amBrussels Bruxelles-National
Jun 19
BRU9:45 amBrussels Bruxelles-National
21h 24m
1 stop
ONT10:09 pmOntario
$1,177
KLM
Jun 18
ONT7:00 amOntario
15h 40m
1 stop
BRU7:40 amBrussels Bruxelles-National
Aug 23
BRU9:45 amBrussels Bruxelles-National
17h 16m
1 stop
ONT6:01 pmOntario
$3,651

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
Mar 15
ONT1:50 pmOntario
34h 00m
2 stops
BRU7:50 amBrussels Bruxelles-National
Mar 25
BRU10:00 amBrussels Bruxelles-National
44h 18m
2 stops
ONT10:18 pmOntario
$492
United Airlines
Mar 8
ONT11:59 pmOntario
23h 56m
1 stop
BRU7:55 amBrussels Bruxelles-National
Mar 15
BRU10:10 amBrussels Bruxelles-National
20h 08m
1 stop
ONT10:18 pmOntario
$508
United Airlines
Feb 5
ONT6:00 amOntario
41h 55m
2 stops
BRU8:55 amBrussels Bruxelles-National
Feb 9
BRU4:55 pmBrussels Bruxelles-National
57h 48m
2 stops
ONT5:43 pmOntario
$574

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 January 24, 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

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 3/15

1:50 pm-7:50 am

2 stops34h 00m

Brussels Bruxelles-National

Wed 3/25

10:00 am-10:18 pm

2 stops44h 18m

$492

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sat 3/7

10:20 pm-8:00 am

1 stop24h 40m

Brussels Bruxelles-National

Mon 3/23

10:00 am-9:00 pm

1 stop19h 00m

$500

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 3/8

11:59 pm-7:55 am

1 stop23h 56m

Brussels Bruxelles-National

Sun 3/15

10:10 am-10:18 pm

1 stop20h 08m

$508

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 2/9

4:45 pm-9:00 pm

2 stops19h 15m

Brussels Bruxelles-National

Mon 2/16

8:45 pm-4:22 pm

2 stops28h 37m

$532

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/5

6:00 am-8:55 am

2 stops41h 55m

Brussels Bruxelles-National

Mon 2/9

4:55 pm-5:43 pm

2 stops57h 48m

$574

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 3/25

5:15 am-7:50 am

2 stops18h 35m

Brussels Bruxelles-National

Wed 4/8

9:25 am-10:26 pm

2 stops46h 01m

$590

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 2/22

5:00 am-7:50 am

2 stops17h 50m

Brussels Bruxelles-National

Sun 3/1

11:15 am-9:59 pm

2 stops19h 44m

$606

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 4/7

10:25 pm-7:40 am

1 stop24h 15m

Brussels Bruxelles-National

Thu 4/30

9:45 am-6:28 pm

1 stop17h 43m

$608

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 3/19

5:02 pm-7:30 pm

2 stops18h 28m

Brussels Bruxelles-National

Fri 4/10

10:45 am-9:59 pm

2 stops20h 14m

$613

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 2/6

12:57 pm-5:20 pm

2 stops19h 23m

Brussels Bruxelles-National

Sat 2/21

11:35 am-10:49 pm

2 stops20h 14m

$632

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

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

What is the cheapest airline that flies from Ontario to Brussels Bruxelles-National?

United Airlines and British Airways are the most popular carriers operating from Ontario to Brussels Bruxelles-National

What airlines fly to Brussels Bruxelles-National Airport?

United Airlines, Brussels Airlines and Scandinavian Airlines are the top three most popular airlines that fly to Brussels Bruxelles-National Airport from Ontario according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Brussels Bruxelles-National Airport. Keep in mind that there are 15 different airlines that fly to Brussels Bruxelles-National Airport on a routine basis, so you have a few additional options to choose from.

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

16h 41m

Direct flights

None
The fastest flight from Ontario to Brussels Bruxelles-National Airport takes 16h 41m
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.
Search flight deals

  • 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 16h 41m.

  • 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 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.

Traveling to a place near Brussels?

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