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Cheap flights from Ontario to Belfast from £230

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 27 November 2025.

Round-trip from

£442

One-way from

£230

Popular in

July

Cheapest in

October

Average price

£1,264
9/1-16/1
  • 9/1-16/1
  • 2 total stops
  • 53h 00m total
  • Ontario to Belfast
Search Deals
25/1
  • 25/1
  • 2 total stops
  • 43h 10m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£258 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ontario to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Mon 1/1206:00YUL - BFS
2 stops34h 40mMultiple Airlines
Tue 9/1217:30BFS - YUL
2 stops26h 40mMultiple Airlines
Deal found 25/11£547
Mon 1/1220:40YUL - BHD
1 stop14h 25mBritish Airways
Tue 9/1210:00BHD - YUL
1 stop13h 45mBritish Airways
Deal found 25/11£573
Mon 1/1220:40YUL - BHD
1 stop12h 35mAmerican Airlines
Tue 9/1211:25BHD - YUL
2 stops16h 15mAmerican Airlines
Deal found 25/11£611
Wed 3/1221:35YYZ - BHD
1 stop16h 25mMultiple Airlines
Wed 10/1207:25BHD - YYZ
1 stop12h 35mMultiple Airlines
Deal found 26/11£648
Wed 3/1217:40YYZ - BHD
1 stop11h 35mAmerican Airlines
Wed 10/1209:15BHD - YYZ
2 stops17h 14mAmerican Airlines
Deal found 26/11£662
Sat 6/1221:35YYZ - BFS
1 stop13h 35mMultiple Airlines
Sat 20/1217:40BFS - YYZ
1 stop26h 20mMultiple Airlines
Deal found 25/11£735
Sat 6/1221:35YYZ - BHD
1 stop16h 00mMultiple Airlines
Sat 20/1214:15BHD - YYZ
1 stop29h 45mMultiple Airlines
Deal found 25/11£764
Mon 1/1215:00YOW - BFS
2 stops25h 10mMultiple Airlines
Mon 8/1215:20BFS - YOW
3 stops38h 21mMultiple Airlines
Deal found 24/11£769
Wed 24/1220:40YUL - BHD
2 stops36h 25mBritish Airways
Wed 31/1206:55BHD - YUL
2 stops16h 50mBritish Airways
Deal found 26/11£836
Mon 1/1215:00YOW - BHD
2 stops17h 35mMultiple Airlines
Mon 8/1207:20BHD - YOW
2 stops30h 05mMultiple Airlines
Deal found 24/11£847
Mon 1/1221:45YUL - BHD
2 stops17h 45mMultiple Airlines
Tue 9/1207:20BHD - YUL
3 stops30h 12mMultiple Airlines
Deal found 25/11£861
Wed 3/1213:30YTZ - BHD
3 stops24h 30mMultiple Airlines
Wed 10/1210:15BHD - YTZ
3 stops40h 55mMultiple Airlines
Deal found 26/11£886

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Belfast 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 27 November 2025.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

Fly from

Ontario

Fly to

Belfast

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 9/1

21:35-08:55

1 stop30h 20m

Belfast Intl

Fri 16/1

21:20-15:00

1 stop22h 40m

£442

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 21/3

20:40-08:10

1 stop31h 30m

Belfast Intl

Thu 26/3

18:25-13:10

1 stop22h 45m

£448

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 25/2

17:40-09:10

1 stop10h 30m

Belfast City

Sun 1/3

15:10-14:50

1 stop28h 40m

£484

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 23/5

17:35-13:30

2 stops14h 55m

Belfast Intl

Thu 28/5

08:20-14:10

1 stop10h 50m

£490

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 25/2

17:40-10:15

1 stop11h 35m

Belfast City

Sun 1/3

17:35-14:50

1 stop26h 15m

£517

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 16/1

22:05-17:15

1 stop14h 10m

Belfast City

Mon 19/1

06:35-20:15

1 stop18h 40m

£522

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

20:40-14:15

1 stop12h 35m

Belfast City

Sun 25/1

15:10-22:44

2 stops36h 34m

£534

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

20:40-11:30

1 stop9h 50m

Belfast City

Thu 22/1

17:45-18:45

1 stop30h 00m

£551

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

20:30-19:15

1 stop17h 45m

Belfast City

Mon 19/1

11:30-18:45

1 stop12h 15m

£558

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 16/1

18:20-17:15

2 stops17h 55m

Belfast City

Mon 19/1

11:30-22:42

2 stops16h 12m

£558

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 35 results
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Best time to book a flight from Ontario to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Ontario 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 Ontario to Belfast

What is the cheapest month to book a flight from Region of Ontario to Belfast?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £450). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £758). 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 Belfast. 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 Region of Ontario to Belfast?

    There are many flights that can get you from Region of Ontario to Belfast in 10h 30m. Fly via American Airlines, British Airways, or KLM to get the fastest option. Region of Ontario and Belfast are separated by a distance of 3254 mi. This flight may include one or multiple stops.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Montreal Pierre Elliott Trudeau Intl - Belfast City, Toronto Pearson Intl - Belfast Intl is the most popular route from Region of Ontario to Belfast.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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 Region of Ontario to Belfast?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £450). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £758). 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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How does Cheapflights help users find flights from Ontario to Belfast?

Cheapflights makes it easy to find Ontario to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Belfast from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Belfast from Ontario 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 Ontario to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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