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Cheap flights from Ontario to Belfast from £149

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£444

One-way from

£149

Popular in

July

Cheapest in

October

Average price

£791
6/10-10/10
  • 6/10-10/10
  • 3 total stops
  • 38h 00m total
  • Ontario to Belfast
Search Deals
11/10
  • 11/10
  • 1 total stop
  • 18h 50m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£294 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (£104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ontario to Belfast

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 29 August 2025.

Mon 6/1022:15YYZ - BFS
1 stop12h 55mMultiple Airlines
Fri 10/1021:05BFS - YYZ
2 stops25h 05mMultiple Airlines
Deal found 27/8£444
Sat 27/922:15YYZ - BFS
1 stop28h 35mMultiple Airlines
Sat 4/1016:30BFS - YYZ
2 stops29h 20mMultiple Airlines
Deal found 28/8£453
Mon 6/1014:45YTZ - BFS
2 stops20h 05mMultiple Airlines
Fri 10/1006:05BFS - YTZ
2 stops17h 05mMultiple Airlines
Deal found 27/8£457
Mon 13/1022:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Wed 29/1010:40BFS - YYZ
2 stops33h 05mMultiple Airlines
Deal found 27/8£466
Sat 11/1022:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Sat 18/1019:35BFS - YYZ
3 stops43h 24mMultiple Airlines
Deal found 26/8£470
Wed 24/922:15YYZ - BFS
1 stop19h 40mMultiple Airlines
Fri 3/1008:20BFS - YYZ
1 stop10h 50mMultiple Airlines
Deal found 28/8£474
Mon 13/1018:00YYZ - BHD
2 stops14h 45mMultiple Airlines
Wed 29/1007:25BHD - YYZ
1 stop12h 35mMultiple Airlines
Deal found 27/8£492
Mon 13/1018:05YYZ - BHD
1 stop9h 45mBritish Airways
Wed 29/1006:35BHD - YYZ
1 stop13h 15mBritish Airways
Deal found 27/8£499
Wed 10/921:30YUL - BFS
1 stop16h 35mMultiple Airlines
Fri 12/906:05BFS - YUL
1 stop13h 10mMultiple Airlines
Deal found 28/8£507
Mon 6/1018:05YYZ - BHD
1 stop9h 45mBritish Airways
Mon 13/1019:30BHD - YYZ
1 stop29h 40mBritish Airways
Deal found 27/8£509
Tue 18/1120:40YUL - BHD
1 stop13h 10mBritish Airways
Sun 30/1120:25BHD - YUL
1 stop27h 20mBritish Airways
Deal found 27/8£511
Sat 18/1022:05YUL - BHD
1 stop10h 40mMultiple Airlines
Sat 25/1007:00BHD - YUL
2 stops20h 10mMultiple Airlines
Deal found 28/8£517

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 29 August 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

Mon 6/10

22:15-16:10

1 stop12h 55m

Belfast Intl

Fri 10/10

21:05-17:10

2 stops25h 05m

£444

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 27/9

22:15-07:50

1 stop28h 35m

Belfast Intl

Sat 4/10

16:30-16:50

2 stops29h 20m

£453

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Mon 6/10

14:45-15:50

2 stops20h 05m

Belfast Intl

Fri 10/10

06:05-18:10

2 stops17h 05m

£457

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 13/10

22:15-22:30

1 stop19h 15m

Belfast Intl

Wed 29/10

10:40-15:45

2 stops33h 05m

£466

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 11/10

22:15-22:30

1 stop19h 15m

Belfast Intl

Sat 18/10

19:35-09:59

3 stops43h 24m

£470

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 24/9

22:15-22:55

1 stop19h 40m

Belfast Intl

Fri 3/10

08:20-14:10

1 stop10h 50m

£474

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 13/10

18:00-13:45

2 stops14h 45m

Belfast City

Wed 29/10

07:25-16:00

1 stop12h 35m

£492

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 13/10

18:05-08:50

1 stop9h 45m

Belfast City

Wed 29/10

06:35-15:50

1 stop13h 15m

£499

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

21:30-19:05

1 stop16h 35m

Belfast Intl

Fri 12/9

06:05-14:15

1 stop13h 10m

£507

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 6/10

18:05-08:50

1 stop9h 45m

Belfast City

Mon 13/10

19:30-20:10

1 stop29h 40m

£509

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 52 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, January is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £67). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £90). 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 45m. Fly via British Airways, American Airlines, 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 Toronto Pearson Intl - Belfast Intl or Montreal Pierre Elliott Trudeau Intl - Belfast City, Montreal Pierre Elliott Trudeau 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, January is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £67). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £90). 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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