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$387+ Cheap flights from Ontario (ONT) to Belgium

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BRU
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Belgium

Cheapest flights from Ontario to Belgium
Explore the most affordable flight options available from Ontario to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. 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 11/26:00 am
ONT
-
BRU
2 stops22h 15m
United Airlines
Fri 11/610:00 am
BRU
-
ONT
2 stops45h 26m
United Airlines
Deal found 6/7$727
This United Airlines deal was found by Cheapflights users on 6/6. 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 12/16:02 am
ONT
-
BRU
2 stops22h 13m
United Airlines
Tue 12/811:55 am
BRU
-
ONT
2 stops20h 11m
United Airlines
Deal found 6/6$752
This United Airlines deal was found by Cheapflights users on 6/6. 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 11/307:00 am
ONT
-
BRU
1 stop16h 55m
United Airlines
Wed 12/910:10 am
BRU
-
ONT
2 stops21h 56m
United Airlines
Deal found 6/6$755
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:59 pm
ONT
-
BRU
1 stop26h 56m
Delta
Wed 12/912:55 pm
BRU
-
ONT
1 stop18h 19m
Delta
Deal found 6/6$756
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:00 pm
ONT
-
BRU
1 stop13h 55m
Delta
Wed 12/96:15 am
BRU
-
ONT
2 stops24h 59m
Delta
Deal found 6/6$759
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am
ONT
-
BRU
1 stop18h 55m
Delta
Mon 12/712:55 pm
BRU
-
ONT
1 stop18h 19m
Delta
Deal found 6/6$801
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:59 pm
ONT
-
BRU
1 stop26h 56m
Delta
Mon 12/712:55 pm
BRU
-
ONT
1 stop18h 19m
Delta
Deal found 6/6$806

Find flight deals from Ontario to Belgium

Keep the following information in mind while searching for Ontario to Belgium flight deals. Data was last updated June 8, 2026.

Round-trip from

$727
(United Airlines)

One-way from

$387
(KLM)

Popular in

June

Cheapest in

January

Average price

$1,185
From Ontario to Belgium
Search Deals
One-way flight from Ontario to Belgium
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Belgium 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 June 8, 2026.
Use the filters below to find and compare flights from Ontario to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 11/30

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Wed 12/9

10:10 am-11:06 pm

2 stops21h 56m

$755

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 12/4

4:47 pm-5:20 pm

2 stops15h 33m

Brussels Bruxelles-National

Fri 12/11

11:45 am-10:00 pm

2 stops19h 15m

$818
Quickest round-trip

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 12/4

4:47 pm-5:20 pm

2 stops15h 33m

Brussels Bruxelles-National

Fri 12/18

11:45 am-9:52 pm

2 stops19h 07m

$845

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 10/16

7:00 am-9:00 am

1 stop17h 00m

Brussels Bruxelles-National

Fri 10/30

10:10 am-10:26 pm

1 stop20h 16m

$917

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 10/30

10:25 am-10:50 am

2 stops16h 25m

Brussels Bruxelles-National

Sat 11/7

11:35 am-9:59 pm

2 stops19h 24m

$1,028

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 7/21

2:05 pm-12:55 pm

2 stops37h 50m

Brussels Bruxelles-National

Wed 8/12

1:50 pm-11:11 pm

2 stops18h 21m

$1,066

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 8/24

1:18 pm-1:15 pm

2 stops14h 57m

Brussels Bruxelles-National

Mon 9/7

10:15 am-10:35 pm

1 stop21h 20m

$1,137

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 11/23

2:59 pm-4:40 pm

2 stops16h 41m

Brussels Bruxelles-National

Sun 11/29

11:20 am-10:23 pm

2 stops20h 03m

$1,143

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 10/2

3:14 pm-12:55 pm

2 stops36h 41m

Brussels Bruxelles-National

Sun 10/11

1:50 pm-11:42 pm

2 stops18h 52m

$1,163

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 7/27

2:05 pm-12:55 pm

2 stops37h 50m

Brussels Bruxelles-National

Tue 8/11

1:50 pm-11:11 pm

2 stops18h 21m

$1,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Belgium. 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 Belgium?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Belgium from Ontario.

  • How long is the flight from Ontario to Belgium?

    There are many flights that can get you from Ontario to Belgium in 22h 15m. Fly via United Airlines to get the fastest option. There are 5590 mi between Ontario and Belgium.

  • Can I find deals for flights from Ontario to Belgium that include hotel bookings?

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

  • How can I find direct flights from Ontario to Belgium?

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

  • Can I find deals for business class flights from Ontario to Belgium?

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

See more FAQs

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