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Cheap flights from Belfast to Ontario from £252

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Ontario
Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 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£433
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£439
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£489
Fri 26/616:20
BHD
-
YYZ
2 stops26h 40m
Multiple Airlines
Fri 10/722:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Deal found 18/6£489
Sat 5/907:00
BHD
-
YYZ
2 stops30h 13m
Multiple Airlines
Thu 10/922:45
YYZ
-
BHD
1 stop14h 55m
Multiple Airlines
Deal found 15/6£490
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£503
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£503
Tue 15/920:25
BHD
-
YUL
1 stop28h 50m
British Airways
Tue 22/922:00
YUL
-
BHD
1 stop12h 20m
British Airways
Deal found 16/6£511
Tue 15/907:00
BHD
-
YUL
2 stops18h 30m
Multiple Airlines
Tue 22/922:05
YUL
-
BHD
1 stop14h 45m
Multiple Airlines
Deal found 16/6£514
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£548
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£579
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£590

Find flight deals from Belfast to Ontario

Keep the following information in mind while searching for Belfast to Ontario flight deals. Data was last updated 20 June 2026.

Round-trip from

£433

One-way from

£252
9/7-19/7
  • 9/7-19/7
  • 2 total stops
  • 27h 40m total
  • Belfast to Ontario
Search Deals
6/7
  • 6/7
  • 3 total stops
  • 41h 24m total
  • Belfast to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 20 June 2026.
Use the filters below to find and compare flights from Belfast 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

£439

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

£453

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Sat 5/9

07:00-08:13

2 stops30h 13m

Toronto Pearson Intl

Thu 10/9

22:45-18:40

1 stop14h 55m

£490

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

£503
Fastest return journey

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 16/7

06:40-15:35

2 stops13h 55m

Toronto Pearson Intl

Thu 23/7

19:50-11:50

1 stop11h 00m

£503

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

£516

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

£548

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

£579

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 3/7

07:45-14:00

2 stops35h 15m

Toronto Pearson Intl

Fri 24/7

19:15-08:05

1 stop31h 50m

£585

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

£590

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 35 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast 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 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 to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to Region of Ontario?

    Airlines like KLM and British Airways fly from Belfast to Region of Ontario in about 18h 28m. The time it takes to get you to your destination can typically vary by up to 10h 12m. Airlines will cover a distance of 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Belfast today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Ontario from Belfast shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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