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Cheap flights from Ontario to Northern Ireland from £246

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Ontario to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Northern Ireland
Explore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Mon 1/1219:40YYZ - BFS
2 stops20h 30mMultiple Airlines
Mon 8/1206:30BFS - YYZ
2 stops16h 45mMultiple Airlines
Deal found 16/10£432
Mon 10/1119:40YYZ - BFS
2 stops19h 30mMultiple Airlines
Wed 26/1106:30BFS - YYZ
2 stops16h 45mMultiple Airlines
Deal found 15/10£457
Mon 24/1120:10YUL - BFS
1 stop20h 30mMultiple Airlines
Tue 9/1217:30BFS - YUL
1 stop24h 10mMultiple Airlines
Deal found 15/10£498
Mon 24/1120:40YUL - BHD
1 stop12h 35mAmerican Airlines
Tue 9/1210:00BHD - YUL
1 stop13h 45mAmerican Airlines
Deal found 15/10£505
Mon 1/1218:55YOW - BFS
2 stops21h 15mMultiple Airlines
Mon 8/1206:30BFS - YOW
2 stops16h 55mMultiple Airlines
Deal found 17/10£514
Thu 13/1121:35YYZ - BHD
1 stop17h 00mMultiple Airlines
Sun 16/1107:25BHD - YYZ
1 stop12h 35mMultiple Airlines
Deal found 15/10£537
Thu 13/1108:15YYZ - BFS
2 stops32h 50mMultiple Airlines
Sun 16/1106:30BFS - YYZ
2 stops34h 37mMultiple Airlines
Deal found 15/10£549
Fri 24/1023:55YYZ - BFS
2 stops18h 10mMultiple Airlines
Fri 14/1121:30BFS - YYZ
2 stops22h 30mMultiple Airlines
Deal found 15/10£555
Tue 28/1014:35YUL - BHD
2 stops16h 55mAmerican Airlines
Thu 13/1106:35BHD - YUL
2 stops21h 24mAmerican Airlines
Deal found 17/10£579
Thu 23/1015:10YYZ - BHD
2 stops15h 00mAmerican Airlines
Thu 6/1110:40BHD - YYZ
2 stops15h 49mAmerican Airlines
Deal found 15/10£581
Sat 29/1119:35YUL - BFS
1 stop23h 15mMultiple Airlines
Sat 6/1222:25BFS - YUL
2 stops26h 50mMultiple Airlines
Deal found 15/10£584
Thu 16/1016:15YYZ - BHD
2 stops13h 55mAmerican Airlines
Thu 30/1006:35BHD - YYZ
1 stop13h 15mAmerican Airlines
Deal found 15/10£586

Cheap flight deals from Ontario to Northern Ireland

Keep the following information in mind while searching for Ontario to Northern Ireland flight deals. Data was last updated 17 October 2025.

Round-trip from

£432

One-way from

£246

Popular in

July

Cheapest in

October

Average price

£528
1/12-8/12
  • 1/12-8/12
  • 4 total stops
  • 37h 15m total
  • Ontario to Northern Ireland
Search Deals
30/11
  • 30/11
  • 2 total stops
  • 16h 25m total
  • Ontario to Northern Ireland
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£283 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Northern Ireland 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 17 October 2025.
Use the filters below to find and compare flights from Ontario to Northern Ireland that are best for you.

Fly from

Ontario

Fly to

Northern Ireland

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 1/12

19:40-21:10

2 stops20h 30m

Belfast Intl

Mon 8/12

06:30-18:15

2 stops16h 45m

£432

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 10/11

19:40-20:10

2 stops19h 30m

Belfast Intl

Wed 26/11

06:30-18:15

2 stops16h 45m

£457

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 18/2

22:05-14:15

1 stop11h 10m

Belfast City

Wed 25/2

06:35-14:50

1 stop13h 15m

£481

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 24/2

22:05-14:50

1 stop11h 45m

Belfast City

Mon 2/3

06:35-14:50

1 stop13h 15m

£481

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 23/2

22:05-16:05

1 stop13h 00m

Belfast City

Sun 1/3

10:40-14:50

1 stop33h 10m

£481

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 24/2

22:05-14:50

1 stop11h 45m

Belfast City

Sun 1/3

10:40-14:50

1 stop33h 10m

£481

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 23/2

18:05-10:40

1 stop11h 35m

Belfast City

Mon 2/3

11:30-20:15

1 stop13h 45m

£481

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 21/2

19:40-20:15

2 stops19h 35m

Belfast Intl

Sat 28/2

08:10-18:15

2 stops15h 05m

£484

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 23/2

18:05-09:05

1 stop10h 00m

Belfast City

Tue 3/3

19:25-20:15

1 stop29h 50m

£486

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 24/2

18:05-10:30

1 stop11h 25m

Belfast City

Tue 3/3

19:25-20:15

1 stop29h 50m

£486

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 46 results
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Best time to book a flight from Ontario to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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 Northern Ireland

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £442). Flying from Region of Ontario to Northern Ireland in December is currently the most expensive (average of £779). 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 Northern Ireland?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Northern Ireland. 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 Northern Ireland?

    For as low as £481, American Airlines can have you in Northern Ireland from Region of Ontario in 11h 10m. The distance between Region of Ontario and Northern Ireland is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Ontario to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Northern Ireland 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 Northern Ireland?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £442). Flying from Region of Ontario to Northern Ireland in December is currently the most expensive (average of £779). 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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Alternative routes for Ontario to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Northern Ireland?

Cheapflights makes it easy to find Ontario to Northern Ireland 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 Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Northern Ireland for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Northern Ireland from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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