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$338+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BRU
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
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 July 22, 2026.

This Air Canada deal was found by Cheapflights users on 7/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am
ONT
-
BRU
2 stops16h 50m
Multiple Airlines
Tue 11/1710:00 am
BRU
-
ONT
2 stops17h 29m
Multiple Airlines
Deal found 7/20$756
This Air Canada deal was found by Cheapflights users on 7/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am
ONT
-
BRU
2 stops17h 10m
Air Canada
Thu 10/19:10 am
BRU
-
ONT
2 stops44h 48m
Air Canada
Deal found 7/21$815
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/211:56 pm
ONT
-
BRU
2 stops21h 04m
United Airlines
Thu 10/110:15 am
BRU
-
ONT
1 stop21h 34m
United Airlines
Deal found 7/22$826
This Delta deal was found by Cheapflights users on 7/22. 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 9/2112:17 pm
ONT
-
BRU
1 stop34h 23m
Delta
Fri 10/29:45 am
BRU
-
ONT
1 stop34h 20m
Delta
Deal found 7/22$829
This Delta deal was found by Cheapflights users on 7/21. 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.
Wed 9/237:05 am
ONT
-
BRU
1 stop15h 35m
Delta
Thu 10/19:45 am
BRU
-
ONT
1 stop17h 22m
Delta
Deal found 7/21$832
This Air France deal was found by Cheapflights users on 7/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2912:00 pm
ONT
-
BRU
1 stop13h 55m
Multiple Airlines
Wed 12/912:55 pm
BRU
-
ONT
1 stop18h 19m
Multiple Airlines
Deal found 7/17$834
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:18 pm
ONT
-
BRU
1 stop14h 37m
KLM
Sun 11/812:55 pm
BRU
-
ONT
1 stop18h 06m
KLM
Deal found 7/19$839
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/211:18 pm
ONT
-
BRU
2 stops14h 57m
United Airlines
Tue 10/69:55 am
BRU
-
ONT
2 stops20h 03m
United Airlines
Deal found 7/22$845
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:59 pm
ONT
-
BRU
1 stop26h 56m
KLM
Tue 12/16:10 am
BRU
-
ONT
2 stops20h 07m
KLM
Deal found 7/19$846
This Delta deal was found by Cheapflights users on 7/19. 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.
Sat 11/215:05 pm
ONT
-
BRU
2 stops39h 25m
Delta
Mon 11/302:45 pm
BRU
-
ONT
2 stops34h 27m
Delta
Deal found 7/19$849
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:18 pm
ONT
-
BRU
1 stop13h 37m
KLM
Sun 11/1512:55 pm
BRU
-
ONT
1 stop18h 19m
KLM
Deal found 7/20$850
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/227:00 am
ONT
-
BRU
1 stop17h 00m
United Airlines
Tue 11/1010:10 am
BRU
-
ONT
1 stop17h 19m
United Airlines
Deal found 7/21$854

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 July 22, 2026.

Round-trip from

$756
(Air Canada)

One-way from

$338
(Travelocity)

Popular in

June

Cheapest in

January

Average price

$1,084
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 ($250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 22, 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 1/11

6:00 am-1:15 pm

2 stops46h 15m

Brussels Bruxelles-National

Thu 1/14

10:10 am-8:20 pm

2 stops19h 10m

$756

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sat 9/26

12:17 pm-7:40 am

1 stop34h 23m

Brussels Bruxelles-National

Wed 10/7

9:45 am-8:18 pm

1 stop19h 33m

$829

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sat 9/26

1:52 pm-1:15 pm

2 stops38h 23m

Brussels Bruxelles-National

Mon 10/5

10:15 am-10:49 pm

1 stop21h 34m

$886
Quickest round-trip

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 8/16

7:05 am-7:40 am

1 stop15h 35m

Brussels Bruxelles-National

Sat 8/29

9:45 am-6:30 pm

1 stop17h 45m

$911

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 9/13

7:00 am-1:15 pm

2 stops21h 15m

Brussels Bruxelles-National

Tue 10/13

10:15 am-10:49 pm

1 stop21h 34m

$912

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 9/13

7:05 am-7:40 am

1 stop15h 35m

Brussels Bruxelles-National

Tue 10/13

9:45 am-8:18 pm

1 stop19h 33m

$916

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 9/25

7:00 am-1:15 pm

2 stops21h 15m

Brussels Bruxelles-National

Sun 10/4

10:15 am-10:49 pm

1 stop21h 34m

$947

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 9/6

7:05 am-7:40 am

1 stop15h 35m

Brussels Bruxelles-National

Sat 9/19

9:45 am-6:41 pm

1 stop17h 56m

$966
Cheapest one-way

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 11/2

2:59 pm-4:40 pm

2 stops16h 41m

$338

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Mon 11/2

6:46 am-8:55 am

1 stop17h 09m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated July 22, 2026.
Get a feel of what it's like to fly with United Airlines from Ontario to Belgium by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,020 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
10,020 reviews
United Airlines
7.4
Good
10,020 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 46h 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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Alternative routes for Ontario to Belgium

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Top airline flying from Ontario to Belgium

Discover the top airline that operate flights from Ontario to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$1,116FlexibilityNo cancel feeOn-time69%

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