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Cheap flights from Belfast Intl Airport to Ontario from £239

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Thu 9/706:40
BFS
-
YYZ
1 stop12h 30m
Multiple Airlines
Sun 19/722:15
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Deal found 15/6£432
Thu 16/706:40
BFS
-
YYZ
1 stop12h 30m
Multiple Airlines
Tue 21/722:15
YYZ
-
BFS
1 stop16h 35m
Multiple Airlines
Deal found 19/6£438
Sat 5/906:20
BFS
-
YYZ
2 stops30h 53m
Multiple Airlines
Thu 10/922:45
YYZ
-
BFS
1 stop15h 35m
Multiple Airlines
Deal found 15/6£488
Tue 15/920:55
BFS
-
YUL
1 stop22h 20m
Multiple Airlines
Tue 22/922:05
YUL
-
BFS
1 stop10h 55m
Multiple Airlines
Deal found 16/6£502
Thu 16/706:40
BFS
-
YYZ
2 stops13h 55m
Multiple Airlines
Thu 23/719:50
YYZ
-
BFS
1 stop11h 00m
Multiple Airlines
Deal found 16/6£502
Thu 16/708:20
BFS
-
YTZ
2 stops15h 26m
Multiple Airlines
Tue 21/712:15
YTZ
-
BFS
2 stops27h 20m
Multiple Airlines
Deal found 19/6£546
Wed 15/722:45
BFS
-
YUL
2 stops30h 40m
Multiple Airlines
Wed 22/706:45
YUL
-
BFS
2 stops26h 45m
Multiple Airlines
Deal found 15/6£577
Wed 15/722:45
BFS
-
YUL
2 stops23h 00m
Multiple Airlines
Tue 21/706:45
YUL
-
BFS
2 stops34h 30m
Multiple Airlines
Deal found 16/6£588
Thu 9/706:40
BFS
-
YTZ
2 stops14h 11m
Multiple Airlines
Sun 19/717:30
YTZ
-
BFS
2 stops14h 35m
Multiple Airlines
Deal found 18/6£655
Thu 9/708:20
BFS
-
YUL
2 stops17h 10m
Multiple Airlines
Fri 17/706:45
YUL
-
BFS
2 stops28h 45m
Multiple Airlines
Deal found 18/6£657
Fri 3/722:15
BFS
-
YTZ
2 stops28h 16m
Multiple Airlines
Fri 24/716:30
YTZ
-
BFS
2 stops19h 00m
Multiple Airlines
Deal found 18/6£661
Fri 26/606:05
BFS
-
YTZ
2 stops33h 33m
Multiple Airlines
Fri 10/708:25
YTZ
-
BFS
2 stops26h 30m
Multiple Airlines
Deal found 18/6£790

Find flight deals from Belfast Intl to Ontario

Keep the following information in mind while searching for Belfast Intl to Ontario flight deals. Data was last updated 19 June 2026.

Round-trip from

£432

One-way from

£239
9/7-19/7
  • 9/7-19/7
  • 2 total stops
  • 27h 40m total
  • Belfast to Ontario
Search Deals
12/7
  • 12/7
  • 2 total stops
  • 45h 55m total
  • Belfast to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to 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, Cheapflights users made 858,174 searches. Data last updated 19 June 2026.
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

Cheapest return flight

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 16/7

06:40-14:10

1 stop12h 30m

Toronto Pearson Intl

Tue 21/7

22:15-19:50

1 stop16h 35m

£438
Fastest return journey

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 9/7

06:40-14:10

1 stop12h 30m

Toronto Pearson Intl

Sun 19/7

21:55-15:55

1 stop13h 00m

£452

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Tue 15/9

20:55-14:15

1 stop22h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

22:05-14:00

1 stop10h 55m

£502

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 5/9

21:40-15:50

2 stops23h 10m

Toronto Pearson Intl

Thu 10/9

18:15-18:55

2 stops19h 40m

£515

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 16/7

06:40-11:00

1 stop9h 20m

Toronto Pearson Intl

Thu 23/7

19:50-18:55

1 stop18h 05m

£518

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 16/7

08:20-18:46

2 stops15h 26m

Toronto Island

Tue 21/7

12:15-20:35

2 stops27h 20m

£546

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Wed 15/7

22:45-00:25

2 stops30h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

06:45-14:30

2 stops26h 45m

£577

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Wed 15/7

22:45-16:45

2 stops23h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

06:45-22:15

2 stops34h 30m

£588

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 3/7

22:10-16:00

1 stop22h 50m

Toronto Pearson Intl

Fri 24/7

23:50-21:00

1 stop16h 10m

£597

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 9/7

06:40-15:51

2 stops14h 11m

Toronto Island

Sun 19/7

17:30-13:05

2 stops14h 35m

£655

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from Belfast Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast Intl with our price prediction graph.
Estimated return 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 Belfast Intl Airport to Ontario
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 Belfast Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Belfast Intl Airport to Region of Ontario?

    The most popular route from Belfast Intl Airport to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Toronto Island.

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

    Yes. In addition to deals on Belfast Intl to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl to Ontario 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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How does Cheapflights help users find flights from Belfast Intl to Ontario?

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Ontario?

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Can Cheapflights find flights from Belfast Intl to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Ontario flexibly with Cheapflights today.

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