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Cheap flights from Belfast Intl Airport to Ontario from £251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Ontario departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Belfast Intl Airport to Ontario

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:40 - 12:00BFS-YUL
32h 20m2 stops
Multiple Airlines Logo
21:30 - 21:40YUL-BFS
19h 10m1 stop
£478Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
08:40 - 12:40BFS-YUL
33h 00m1 stop
Multiple Airlines Logo
20:10 - 21:40YUL-BFS
20h 30m1 stop
£534Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
06:30 - 19:40BFS-YUL
18h 10m1 stop
Multiple Airlines Logo
21:45 - 21:55YUL-BFS
19h 10m2 stops
£551Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
08:40 - 15:10BFS-YUL
35h 30m2 stops
Multiple Airlines Logo
17:55 - 21:40YUL-BFS
22h 45m2 stops
£552Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
05:45 - 19:45BFS-YUL
43h 00m3 stops
Multiple Airlines Logo
21:45 - 21:55YUL-BFS
19h 10m2 stops
£561Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
19:20 - 12:40BFS-YUL
22h 20m2 stops
Multiple Airlines Logo
21:05 - 21:30YUL-BFS
19h 25m3 stops
£609Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
23:05 - 12:40BFS-YUL
18h 35m2 stops
Multiple Airlines Logo
21:45 - 21:55YUL-BFS
19h 10m2 stops
£640Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
08:15 - 12:40BFS-YUL
33h 25m3 stops
Multiple Airlines Logo
21:05 - 21:30YUL-BFS
19h 25m3 stops
£673Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
06:30 - 12:40BFS-YUL
11h 10m1 stop
Multiple Airlines Logo
20:10 - 13:50YUL-BFS
12h 40m1 stop
£752Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
13:55 - 21:15BFS-YYZ
36h 20m3 stops
Multiple Airlines Logo
11:20 - 21:25YYZ-BFS
29h 05m3 stops
£773Multiple Airlines
Find Deal
Tue, 16 Dec - Tue, 23 Dec

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to Region of Ontario 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 279,928 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/12

08:40-12:00

2 stops32h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

21:30-21:40

1 stop19h 10m

£478

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/12

08:40-12:40

1 stop33h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

20:10-21:40

1 stop20h 30m

£534

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 30/11

06:30-19:40

1 stop18h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

21:45-21:55

2 stops19h 10m

£551

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/12

08:40-15:10

2 stops35h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

17:55-21:40

2 stops22h 45m

£552

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 30/11

05:45-19:45

3 stops43h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

21:45-21:55

2 stops19h 10m

£561

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/12

19:20-12:40

2 stops22h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

21:05-21:30

3 stops19h 25m

£609

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 30/11

23:05-12:40

2 stops18h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

21:45-21:55

2 stops19h 10m

£640

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/12

08:15-12:40

3 stops33h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

21:05-21:30

3 stops19h 25m

£673

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 30/11

06:30-12:40

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

20:10-13:50

1 stop12h 40m

£752

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/12

13:55-21:15

3 stops36h 20m

Toronto Pearson Intl

Tue 23/12

11:20-21:25

3 stops29h 05m

£773

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from Belfast Intl Airport to Region of Ontario

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 Region of Ontario?

The cheapest day to depart from Belfast Intl Airport to Region of Ontario is on a Monday when prices can be found for as low as £558. Flights from Belfast Intl Airport to Region of Ontario on a Saturday will generally be more expensive and average around £633. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our data shows that the cheapest Belfast Intl Airport to Region of Ontario flights are usually those with departure times in the morning. Our users have found flights to Region of Ontario in the morning for as low as £592. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £630 per ticket.

Cheap Belfast Intl Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Region of Ontario

Direct flights

None
There are no direct flights from Belfast Intl Airport to Region of Ontario. There are no popular flight routes from Belfast Intl Airport to Region of Ontario.
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  • When did momondo last update prices for flights from Belfast Intl Airport to Ontario?

    Prices for flights from Belfast Intl Airport to Ontario are refreshed on a daily basis.

  • How many operators does momondo search for flights from Belfast Intl Airport to Ontario?

  • How old do you have to be to fly from Belfast Intl Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario 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 Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Belfast Intl Airport to Region of Ontario

Compare and see reviews for airlines that fly from Belfast Intl Airport to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £430Free CancellationRating
6.7
7,494 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Ontario?

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 Ontario from Belfast.

Can I find flights from Belfast to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Belfast with this policy.

How can momondo help me find flights from Belfast to Ontario?

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 Ontario from Belfast.

I’m not ready to book a flight from Belfast to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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