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Cheap flights from Ontario to Brussels from $317

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 9/27. 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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Find the cheapest flights from Ontario to Brussels

Cheap round-trip flights

United Airlines Logo
7:00 am - 7:55 amONT-BRU
16h 55m1 stop
United Airlines Logo
10:10 am - 10:31 pmBRU-ONT
21h 21m1 stop
$549United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
United Airlines Logo
7:00 am - 7:55 amONT-BRU
16h 55m1 stop
United Airlines Logo
10:10 am - 6:36 pmBRU-ONT
17h 26m1 stop
$551United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
United Airlines Logo
7:02 am - 9:00 amONT-BRU
16h 58m1 stop
United Airlines Logo
10:10 am - 6:36 pmBRU-ONT
17h 26m1 stop
$557United Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
United Airlines Logo
6:00 am - 8:05 amONT-BRU
17h 05m2 stops
United Airlines Logo
10:10 am - 8:17 pmBRU-ONT
18h 07m2 stops
$561United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 18
Delta Logo
10:30 pm - 8:00 amONT-BRU
25h 30m1 stop
Delta Logo
10:00 am - 9:14 pmBRU-ONT
19h 14m1 stop
$562Delta
Find Deal
Tue, Mar 17 - Tue, Mar 24
Delta Logo
6:00 am - 2:15 pmONT-BRU
23h 15m2 stops
Delta Logo
10:00 am - 9:14 pmBRU-ONT
19h 14m1 stop
$573Delta
Find Deal
Tue, Mar 3 - Thu, Mar 19
Multiple Airlines Logo
5:05 am - 1:15 pmONT-BRU
23h 10m3 stops
Multiple Airlines Logo
10:00 am - 6:36 pmBRU-ONT
41h 36m2 stops
$594Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Multiple Airlines Logo
7:02 am - 7:50 amONT-BRU
15h 48m2 stops
Multiple Airlines Logo
10:00 am - 6:36 pmBRU-ONT
17h 36m2 stops
$810Multiple Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
3:05 pm - 5:00 pmONT-BRU
16h 55m2 stops
American Airlines Logo
11:50 am - 11:43 pmBRU-ONT
19h 53m2 stops
$837American Airlines
Find Deal
Thu, Mar 5 - Wed, Mar 18
Iberia Logo
2:51 pm - 6:55 pmONT-BRU
19h 04m2 stops
Iberia Logo
12:10 pm - 11:59 pmBRU-ONT
20h 49m2 stops
$1,508Iberia
Find Deal
Thu, Oct 9 - Thu, Oct 16

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
Oct 27
ONT7:00 amOntario
16h 55m
1 stop
BRU7:55 amBrussels Bruxelles-National
Nov 12
BRU10:10 amBrussels Bruxelles-National
21h 21m
1 stop
ONT10:31 pmOntario
$549
Find similar
United Airlines
Oct 27
ONT7:00 amOntario
16h 55m
1 stop
BRU7:55 amBrussels Bruxelles-National
Nov 11
BRU10:10 amBrussels Bruxelles-National
17h 26m
1 stop
ONT6:36 pmOntario
$551
Find similar
United Airlines
Oct 19
ONT7:02 amOntario
16h 58m
1 stop
BRU9:00 amBrussels Bruxelles-National
Nov 4
BRU10:10 amBrussels Bruxelles-National
17h 26m
1 stop
ONT6:36 pmOntario
$557
Find similar

Delta flights from Ontario to Brussels Bruxelles-National Airport

Our best Delta deals on Ontario to Brussels Bruxelles-National Airport flight tickets
Delta
Mar 17
ONT10:30 pmOntario
25h 30m
1 stop
BRU8:00 amBrussels Bruxelles-National
Mar 24
BRU10:00 amBrussels Bruxelles-National
19h 14m
1 stop
ONT9:14 pmOntario
$562
Find similar
Delta
Mar 3
ONT6:00 amOntario
23h 15m
2 stops
BRU2:15 pmBrussels Bruxelles-National
Mar 19
BRU10:00 amBrussels Bruxelles-National
19h 14m
1 stop
ONT9:14 pmOntario
$573
Find similar
Delta
Mar 5
ONT6:00 amOntario
23h 15m
2 stops
BRU2:15 pmBrussels Bruxelles-National
Mar 20
BRU6:15 amBrussels Bruxelles-National
18h 04m
2 stops
ONT4:19 pmOntario
$639
Find similar

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 September 18, 2025.
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

Mon 10/27

7:00 am-7:55 am

1 stop16h 55m

Brussels Bruxelles-National

Wed 11/12

10:10 am-10:31 pm

1 stop21h 21m

$549

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 10/27

7:00 am-7:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 11/11

10:10 am-6:36 pm

1 stop17h 26m

$551

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 10/19

7:02 am-9:00 am

1 stop16h 58m

Brussels Bruxelles-National

Tue 11/4

10:10 am-6:36 pm

1 stop17h 26m

$557

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 3/3

6:00 am-8:05 am

2 stops17h 05m

Brussels Bruxelles-National

Wed 3/18

10:10 am-8:17 pm

2 stops18h 07m

$561

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 3/17

10:30 pm-8:00 am

1 stop25h 30m

Brussels Bruxelles-National

Tue 3/24

10:00 am-9:14 pm

1 stop19h 14m

$562

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 3/3

6:00 am-2:15 pm

2 stops23h 15m

Brussels Bruxelles-National

Thu 3/19

10:00 am-9:14 pm

1 stop19h 14m

$573

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 11/9

5:05 am-1:15 pm

3 stops23h 10m

Brussels Bruxelles-National

Sun 11/16

10:00 am-6:36 pm

2 stops41h 36m

$594

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 10/19

7:02 am-7:50 am

2 stops15h 48m

Brussels Bruxelles-National

Tue 11/4

10:00 am-6:36 pm

2 stops17h 36m

$810

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 3/5

3:05 pm-5:00 pm

2 stops16h 55m

Brussels Bruxelles-National

Wed 3/18

11:50 am-11:43 pm

2 stops19h 53m

$837

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 10/9

2:51 pm-6:55 pm

2 stops19h 04m

Brussels Bruxelles-National

Thu 10/16

12:10 pm-11:59 pm

2 stops20h 49m

$1,508

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 day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Ontario to Brussels Bruxelles-National Airport is on a Tuesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Tuesday will often find tickets for as low as $786. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Brussels Bruxelles-National Airport for around $956.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the evening. Flights from Ontario to Brussels Bruxelles-National Airport during this time can be as low as $787. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $999 on average. Flights to Brussels Bruxelles-National Airport from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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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  • 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 14h 46m.

  • 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
Hasselt
Spa
Namur
Aalst
Dinant
Mons
Zaventem
Waterloo
Genk
Mechelen
Francorchamps
Knokke-Heist
Tournai
Durbuy
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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