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Cheap flights from Ontario to Belfast from £234

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 December 2025.

Sat 27/1220:10YUL - BFS
1 stop18h 45mMultiple Airlines
Sat 24/122:25BFS - YUL
2 stops26h 50mMultiple Airlines
Deal found 20/12£709
Sat 27/1220:30YUL - BHD
1 stop12h 45mBritish Airways
Sat 24/111:35BHD - YUL
1 stop12h 10mBritish Airways
Deal found 20/12£738
Sat 27/1220:30YUL - BHD
1 stop15h 15mAmerican Airlines
Sat 24/106:35BHD - YUL
2 stops21h 09mAmerican Airlines
Deal found 20/12£762
Sat 27/1219:05YUL - BHD
2 stops16h 45mMultiple Airlines
Sat 24/117:20BHD - YUL
2 stops36h 23mMultiple Airlines
Deal found 20/12£862
Mon 22/1220:40YUL - BHD
1 stop30h 45mBritish Airways
Mon 29/1206:35BHD - YUL
1 stop17h 10mBritish Airways
Deal found 21/12£910
Sat 27/1220:30YUL - BHD
1 stop12h 45mBritish Airways
Mon 5/119:25BHD - YUL
1 stop28h 20mBritish Airways
Deal found 20/12£991
Sun 28/1220:40YUL - BHD
1 stop12h 15mMultiple Airlines
Mon 5/119:25BHD - YUL
1 stop28h 20mMultiple Airlines
Deal found 20/12£1,072
Sat 27/1220:10YUL - BFS
1 stop31h 00mMultiple Airlines
Mon 5/121:15BFS - YUL
2 stops43h 55mMultiple Airlines
Deal found 20/12£1,106
Sun 28/1207:30YUL - BHD
2 stops21h 50mBritish Airways
Mon 5/119:25BHD - YUL
1 stop28h 20mBritish Airways
Deal found 20/12£1,116
Sun 28/1220:10YUL - BFS
1 stop13h 00mMultiple Airlines
Mon 5/114:40BFS - YUL
1 stop27h 00mMultiple Airlines
Deal found 20/12£1,121
Mon 22/1217:20YOW - BHD
2 stops22h 40mKLM
Mon 29/1217:20BHD - YOW
2 stops26h 50mKLM
Deal found 21/12£1,128
Mon 22/1215:00YOW - BHD
2 stops18h 15mMultiple Airlines
Mon 29/1219:25BHD - YOW
2 stops28h 00mMultiple Airlines
Deal found 21/12£1,187

Find flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 22 December 2025.

Round-trip from

£416

One-way from

£234

Popular in

July

Cheapest in

October

Average price

£960
5/2-12/2
  • 5/2-12/2
  • 2 total stops
  • 33h 15m total
  • Ontario to Belfast
Search Deals
16/3
  • 16/3
  • 2 total stops
  • 32h 20m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£252 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 22 December 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

Thu 5/2

21:35-22:20

1 stop19h 45m

Belfast Intl

Thu 12/2

06:30-15:00

1 stop13h 30m

£416

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 3/2

21:35-17:55

1 stop15h 20m

Belfast Intl

Tue 10/2

20:55-15:00

1 stop23h 05m

£433

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Mon 12/1

18:55-20:10

2 stops20h 15m

Belfast Intl

Tue 20/1

20:55-18:28

2 stops26h 33m

£493

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 1/4

22:00-15:35

1 stop12h 35m

Belfast City

Sun 12/4

19:10-16:05

1 stop25h 55m

£506

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 1/4

22:00-15:35

1 stop12h 35m

Belfast City

Mon 13/4

09:50-16:05

1 stop11h 15m

£506

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 19/1

19:40-19:05

2 stops18h 25m

Belfast Intl

Mon 26/1

08:30-18:15

2 stops14h 45m

£517

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 23/3

23:05-16:05

1 stop13h 00m

Belfast City

Mon 30/3

09:50-16:05

1 stop11h 15m

£521

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 1/4

18:05-13:30

1 stop14h 25m

Belfast City

Mon 13/4

09:50-23:00

2 stops18h 10m

£522

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 2/4

22:35-09:00

1 stop29h 25m

Belfast Intl

Sun 12/4

20:50-16:00

1 stop24h 10m

£536

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

20:10-21:40

2 stops20h 30m

Belfast Intl

Sat 24/1

22:25-20:15

2 stops26h 50m

£549

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 42 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 £444). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £748). 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 12h 35m. Fly via British Airways, American Airlines, or Aer Lingus 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 City 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 £444). Flying from Region of Ontario to Belfast in July is currently the most expensive (average of £748). 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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