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Cheap flights from Ontario to Belfast from £241

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
3 Dec — 10 Dec1
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 3 November 2025.

Round-trip from

£456

One-way from

£254

Popular in

July

Cheapest in

October

Average price

£721
28/2-14/3
  • 28/2-14/3
  • 2 total stops
  • 23h 35m total
  • Ontario to Belfast
Search Deals
8/4
  • 8/4
  • 2 total stops
  • 16h 15m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£296 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£109 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 3 November 2025.

Tue 2/1219:40YYZ - BFS
2 stops17h 15mMultiple Airlines
Tue 9/1206:30BFS - YYZ
2 stops16h 45mMultiple Airlines
Deal found 31/10£477
Mon 1/1217:25YUL - BFS
2 stops22h 45mMultiple Airlines
Mon 8/1206:30BFS - YUL
2 stops20h 55mMultiple Airlines
Deal found 2/11£486
Mon 1/1210:35YUL - BHD
2 stops22h 00mMultiple Airlines
Mon 8/1207:20BHD - YUL
2 stops16h 05mMultiple Airlines
Deal found 2/11£491
Mon 17/1122:05YYZ - BHD
1 stop11h 10mBritish Airways
Wed 3/1206:35BHD - YYZ
1 stop13h 15mBritish Airways
Deal found 1/11£501
Mon 17/1116:44YYZ - BHD
2 stops16h 31mAmerican Airlines
Wed 3/1212:25BHD - YYZ
1 stop12h 50mAmerican Airlines
Deal found 1/11£506
Tue 2/1216:44YYZ - BHD
2 stops13h 46mAmerican Airlines
Tue 9/1206:35BHD - YYZ
2 stops15h 52mAmerican Airlines
Deal found 31/10£528
Mon 17/1115:38YYZ - BFS
2 stops19h 37mMultiple Airlines
Wed 3/1207:00BFS - YYZ
1 stop16h 00mMultiple Airlines
Deal found 1/11£530
Tue 2/1221:35YYZ - BHD
1 stop11h 00mMultiple Airlines
Tue 9/1207:20BHD - YYZ
1 stop12h 40mMultiple Airlines
Deal found 31/10£534
Fri 28/1121:35YYZ - BHD
1 stop11h 00mMultiple Airlines
Fri 5/1220:05BHD - YYZ
1 stop23h 55mMultiple Airlines
Deal found 31/10£544
Tue 2/1216:44YYZ - BHD
2 stops13h 46mAmerican Airlines
Mon 12/111:30BHD - YYZ
2 stops15h 21mAmerican Airlines
Deal found 31/10£550
Tue 2/1216:44YYZ - BHD
2 stops13h 46mBritish Airways
Tue 9/1208:45BHD - YYZ
1 stop16h 30mBritish Airways
Deal found 31/10£553
Sun 23/1112:34YYZ - BHD
2 stops16h 46mAmerican Airlines
Tue 23/1208:45BHD - YYZ
2 stops18h 49mAmerican Airlines
Deal found 1/11£557

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 3 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 - BHD

YYZBHD

Toronto Pearson Intl

Sat 28/2

19:40-18:35

2 stops17h 55m

Belfast City

Sat 14/3

07:25-19:15

2 stops15h 50m

£465

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/12

19:40-17:55

2 stops17h 15m

Belfast Intl

Tue 9/12

06:30-18:15

2 stops16h 45m

£477

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

21:45-20:10

2 stops17h 25m

Belfast Intl

Sat 24/1

10:35-20:15

2 stops38h 40m

£480

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

10:15-20:10

2 stops28h 55m

Belfast Intl

Thu 22/1

06:30-20:55

2 stops19h 25m

£482

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

17:25-21:10

2 stops22h 45m

Belfast Intl

Mon 8/12

06:30-22:25

2 stops20h 55m

£486

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 28/2

21:35-20:15

1 stop17h 40m

Belfast Intl

Sat 14/3

08:10-16:00

1 stop11h 50m

£490

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

20:40-14:15

1 stop12h 35m

Belfast City

Tue 20/1

08:45-18:45

1 stop15h 00m

£518

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

20:40-11:30

1 stop9h 50m

Belfast City

Mon 19/1

09:15-18:45

1 stop14h 30m

£518

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

20:40-14:15

1 stop12h 35m

Belfast City

Wed 21/1

11:25-18:45

1 stop12h 20m

£518

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

20:40-14:50

1 stop13h 10m

Belfast City

Tue 20/1

08:45-18:45

1 stop15h 00m

£518

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 51 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 £452). Flying from Region of Ontario to Belfast in December is currently the most expensive (average of £806). 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.

How much does it cost for a return flight from Region of Ontario to Belfast?

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 9h 50m. Fly via American Airlines to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi.

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

    While some choose either Toronto Pearson Intl - Belfast City or Montreal Pierre Elliott Trudeau Intl - Belfast Intl, 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 £452). Flying from Region of Ontario to Belfast in December is currently the most expensive (average of £806). 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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