HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$227+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BRU
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Belgium with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Belgium

Keep the following information in mind while searching for Ontario to Belgium flight deals. Data was last updated January 15, 2026.

Round-trip from

$508
(United Airlines)

One-way from

$227
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$710
From Ontario to Belgium
Search Deals
One-way flight from Ontario to Belgium
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 2/186:37 pm
ONT
-
BRU
2 stops33h 38m
United Airlines
Tue 2/2410:00 am
BRU
-
ONT
2 stops35h 43m
United Airlines
Deal found 1/15$508
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Sat 2/281:53 pm
ONT
-
BRU
2 stops34h 02m
United Airlines
Sat 3/711:15 am
BRU
-
ONT
2 stops20h 21m
United Airlines
Deal found 1/14$509
This oojo deal was found by Cheapflights users on 1/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:52 pm
ONT
-
BRU
2 stops18h 08m
British Airways
Tue 4/2110:55 am
BRU
-
ONT
2 stops18h 59m
British Airways
Deal found 1/15$521
This oojo deal was found by Cheapflights users on 1/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/14:45 pm
ONT
-
BRU
2 stops18h 10m
British Airways
Wed 2/188:30 pm
BRU
-
ONT
2 stops34h 37m
British Airways
Deal found 1/15$522
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:02 pm
ONT
-
BRU
2 stops15h 03m
British Airways
Fri 2/209:50 am
BRU
-
ONT
2 stops21h 17m
British Airways
Deal found 1/14$535
This oojo deal was found by Cheapflights users on 1/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:39 pm
ONT
-
BRU
2 stops17h 41m
British Airways
Fri 2/2011:45 am
BRU
-
ONT
2 stops19h 22m
British Airways
Deal found 1/15$547
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:52 pm
ONT
-
BRU
2 stops18h 08m
British Airways
Mon 4/2010:50 am
BRU
-
ONT
2 stops20h 09m
British Airways
Deal found 1/14$571
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
ONT
-
BRU
2 stops18h 50m
British Airways
Mon 3/98:45 pm
BRU
-
ONT
2 stops33h 22m
British Airways
Deal found 1/14$572
This United Airlines deal was found by Cheapflights users on 1/13. 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 2/56:00 am
ONT
-
BRU
2 stops22h 15m
United Airlines
Mon 2/94:55 pm
BRU
-
ONT
2 stops33h 48m
United Airlines
Deal found 1/13$574
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:52 pm
ONT
-
BRU
2 stops18h 33m
British Airways
Wed 4/299:15 pm
BRU
-
ONT
2 stops33h 44m
British Airways
Deal found 1/14$583
This KLM deal was found by Cheapflights users on 1/14. 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.
Mon 9/147:00 am
ONT
-
BRU
1 stop15h 40m
KLM
Tue 9/229:45 am
BRU
-
ONT
1 stop17h 16m
KLM
Deal found 1/14$607
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 3/11:45 pm
ONT
-
BRU
2 stops33h 05m
United Airlines
Sun 3/810:10 am
BRU
-
ONT
1 stop20h 08m
United Airlines
Deal found 1/15$608

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 January 15, 2026.
Use the filters below to find and compare flights from Ontario to Belgium that are best for you.

Fly from

Ontario

Fly to

Belgium

Route

Depart

Return

Price

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 2/18

6:37 pm-1:15 pm

2 stops33h 38m

Brussels Bruxelles-National

Tue 2/24

10:00 am-12:43 pm

2 stops35h 43m

$508

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 4/12

4:52 pm-8:00 pm

2 stops18h 08m

Brussels Bruxelles-National

Tue 4/21

10:55 am-8:54 pm

2 stops18h 59m

$521

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/12

5:02 pm-5:05 pm

2 stops15h 03m

Brussels Bruxelles-National

Fri 2/20

9:50 am-10:07 pm

2 stops21h 17m

$535

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 2/13

2:39 pm-5:20 pm

2 stops17h 41m

Brussels Bruxelles-National

Fri 2/20

11:45 am-10:07 pm

2 stops19h 22m

$547

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 2/5

6:00 am-1:15 pm

2 stops22h 15m

Brussels Bruxelles-National

Mon 2/9

4:55 pm-5:43 pm

2 stops33h 48m

$574

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 4/8

4:52 pm-8:25 pm

2 stops18h 33m

Brussels Bruxelles-National

Wed 4/29

9:15 pm-9:59 pm

2 stops33h 44m

$583

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 3/1

1:45 pm-7:50 am

2 stops33h 05m

Brussels Bruxelles-National

Sun 3/8

10:10 am-9:18 pm

1 stop20h 08m

$608

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 2/6

10:58 am-3:25 pm

2 stops19h 27m

Brussels Bruxelles-National

Fri 2/13

11:45 am-10:29 pm

2 stops19h 44m

$634

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 2/6

10:58 am-3:25 pm

2 stops19h 27m

Brussels Bruxelles-National

Sat 2/14

7:25 pm-10:07 pm

2 stops35h 42m

$684

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 3/5

5:15 am-7:40 am

2 stops17h 25m

Brussels Bruxelles-National

Tue 3/10

10:10 am-10:18 pm

1 stop20h 08m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 20 results
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

What is the cheapest month to book a flight from Ontario to Belgium?

Currently, March is the cheapest month in which you can book a flight from Ontario to Belgium (average of $449). Flying from Ontario to Belgium in June is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 18h 08m. Fly via United Airlines or British Airways to get the fastest option. There are 5590 mi between Ontario and Belgium. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Ontario to Belgium?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Belgium (average of $449). Flying from Ontario to Belgium in June is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Gatwick flights
Los Angeles to Orly flights
Los Angeles to Madrid flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Frankfurt flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to Istanbul flights
Los Angeles to Dublin flights
Los Angeles to Stansted flights
San Francisco to Lisbon flights
San Francisco to London City flights
Los Angeles to Amsterdam flights
San Francisco to Orly flights
San Francisco to Amsterdam flights
San Francisco to Dublin flights
San Diego to Heathrow flights
San Francisco to Frankfurt flights
Los Angeles to Athens flights
San Francisco to Malpensa flights
San Francisco to Athens flights
San Francisco to Madrid flights
Ontario to Heathrow flights
Ontario to Charles de Gaulle flights
San Francisco to Zurich flights
San Francisco to Stansted flights
Los Angeles to Lisbon flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Copenhagen flights
Los Angeles to Malpensa flights
San Francisco to Linate flights
Los Angeles to Zurich flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Munich flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Las Vegas to Heathrow flights
Burbank to Charles de Gaulle flights
Los Angeles to Linate flights
Los Angeles to Beauvais-Tille flights
San Jose to Charles de Gaulle flights
Los Angeles to Sabiha Gokcen flights
Los Angeles to Luton flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.