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$463+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BRU
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$633
(United Airlines)

One-way from

$463
(Booking.com)

Popular in

July

Cheapest in

March

Average price

$736
From Ontario to Belgium
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One-way flight from Ontario to Belgium
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Highest demand for flights based on searches. 16% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 11/125:05 amONT - BRU
2 stops17h 45mUnited Airlines
Sun 11/1610:00 amBRU - ONT
2 stops41h 36mUnited Airlines
Deal found 7/30$633
This Travelocity deal was found by Cheapflights users on 7/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:54 pmONT - BRU
2 stops19h 16mBritish Airways
Mon 10/209:15 pmBRU - ONT
2 stops28h 11mBritish Airways
Deal found 7/31$792
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:47 amONT - BRU
2 stops20h 33mAmerican Airlines
Sun 11/1611:20 amBRU - ONT
2 stops21h 37mAmerican Airlines
Deal found 7/31$885
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 8/2210:00 pmONT - BRU
1 stop25h 40mDelta
Sun 8/3110:45 amBRU - ONT
1 stop17h 26mDelta
Deal found 7/30$905
This Air Canada deal was found by Cheapflights users on 7/30. 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 9/37:00 amONT - BRU
2 stops16h 05mMultiple Airlines
Sun 9/1410:00 amBRU - ONT
2 stops19h 43mMultiple Airlines
Deal found 7/30$971
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:40 pmONT - BRU
2 stops19h 15mIberia
Thu 8/712:10 pmBRU - ONT
2 stops20h 58mIberia
Deal found 7/30$2,397

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 August 1, 2025.
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 11/12

5:05 am-7:50 am

2 stops17h 45m

Brussels Bruxelles-National

Sun 11/16

10:00 am-6:36 pm

2 stops41h 36m

$633

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 9/5

2:54 pm-7:10 pm

2 stops19h 16m

Brussels Bruxelles-National

Mon 10/20

9:15 pm-4:26 pm

2 stops28h 11m

$792

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 11/12

10:47 am-4:20 pm

2 stops20h 33m

Brussels Bruxelles-National

Sun 11/16

11:20 am-11:57 pm

2 stops21h 37m

$885

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Fri 8/22

10:00 pm-8:40 am

1 stop25h 40m

Brussels Bruxelles-National

Sun 8/31

10:45 am-7:11 pm

1 stop17h 26m

$905

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 9/3

7:00 am-8:05 am

2 stops16h 05m

Brussels Bruxelles-National

Sun 9/14

10:00 am-8:43 pm

2 stops19h 43m

$971

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 10/19

4:49 pm-6:00 pm

2 stops16h 11m

$463

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Sun 10/19

7:02 am-9:00 am

1 stop16h 58m

$468

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Tue 9/9

4:45 pm-2:05 pm

2 stops36h 20m

$1,064

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Thu 11/6

10:59 am-11:55 am

2 stops15h 56m

$1,496

OntarioBrussels

ONT - BRU

ONTBRU

Ontario

Wed 9/10

11:45 am-8:40 am

1 stop35h 55m

$1,511

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, November is the cheapest month in which you can book a flight from Ontario to Belgium (average of $614). Flying from Ontario to Belgium in June is currently the most expensive (average of $1,081). 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.

What is the cheapest time of day to fly from ONT to BE?

Find hourly flight availability from Ontario to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Belgium as you normally would.

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 August 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
7,222 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Ontario to Belgium one-way?

    $463 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $468 and $1,064, respectively.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Belgium (average of $614). Flying from Ontario to Belgium in June is currently the most expensive (average of $1,081). 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

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