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Cheap flights from Ontario to Northern Ireland from £256

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 December 2025.

Thu 4/1216:44YYZ - BHD
2 stops16h 16mAmerican Airlines
Thu 11/1210:40BHD - YYZ
2 stops15h 49mAmerican Airlines
Deal found 3/12£585
Thu 4/1213:10YYZ - BHD
2 stops19h 50mMultiple Airlines
Thu 11/1206:35BHD - YYZ
1 stop13h 15mMultiple Airlines
Deal found 3/12£686
Thu 4/1216:44YYZ - BHD
2 stops16h 16mBritish Airways
Thu 11/1206:35BHD - YYZ
1 stop13h 15mBritish Airways
Deal found 3/12£709
Wed 3/1221:35YYZ - BHD
1 stop11h 00mMultiple Airlines
Fri 5/1207:20BHD - YYZ
1 stop12h 40mMultiple Airlines
Deal found 2/12£784
Thu 4/1214:10YYZ - BFS
2 stops26h 55mMultiple Airlines
Thu 11/1214:50BFS - YYZ
2 stops26h 45mMultiple Airlines
Deal found 3/12£797
Fri 5/1215:00YOW - BHD
2 stops18h 15mMultiple Airlines
Thu 11/1206:35BHD - YOW
2 stops16h 50mMultiple Airlines
Deal found 3/12£857
Thu 18/1213:30YUL - BFS
2 stops26h 10mMultiple Airlines
Fri 30/108:05BFS - YUL
2 stops33h 10mMultiple Airlines
Deal found 4/12£1,002
Thu 4/1221:15YYZ - BHD
1 stop18h 45mKLM
Thu 11/1217:20BHD - YYZ
1 stop27h 20mKLM
Deal found 3/12£1,053
Thu 18/1208:55YUL - BHD
2 stops30h 35mMultiple Airlines
Fri 30/107:20BHD - YUL
2 stops22h 23mMultiple Airlines
Deal found 4/12£1,150
Fri 26/1219:10YUL - BHD
1 stop16h 40mKLM
Fri 2/106:30BHD - YUL
2 stops19h 20mKLM
Deal found 3/12£1,283
Fri 26/1219:20YUL - BFS
2 stops21h 40mMultiple Airlines
Fri 2/107:05BFS - YUL
3 stops34h 10mMultiple Airlines
Deal found 3/12£1,318
Mon 29/1221:35YYZ - BFS
1 stop17h 35mMultiple Airlines
Sat 3/122:25BFS - YYZ
3 stops45h 25mMultiple Airlines
Deal found 4/12£1,369

Find 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 5 December 2025.

Round-trip from

£417

One-way from

£256

Popular in

July

Cheapest in

October

Average price

£963
22/1-29/1
  • 22/1-29/1
  • 4 total stops
  • 38h 25m total
  • Ontario to Northern Ireland
Search Deals
17/1
  • 17/1
  • 3 total stops
  • 44h 25m total
  • Ontario to Northern Ireland
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£254 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£103 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 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 5 December 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

Thu 22/1

19:40-22:20

2 stops21h 40m

Belfast Intl

Thu 29/1

06:30-18:15

2 stops16h 45m

£417

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 19/1

19:40-20:10

2 stops19h 30m

Belfast Intl

Mon 26/1

06:30-18:15

2 stops16h 45m

£436

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 6/3

21:35-08:55

1 stop30h 20m

Belfast Intl

Fri 13/3

06:30-16:00

1 stop13h 30m

£440

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 6/3

21:35-20:30

1 stop17h 55m

Belfast City

Fri 13/3

07:20-16:00

1 stop12h 40m

£440

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 4/3

17:40-09:10

1 stop10h 30m

Belfast City

Sun 8/3

20:25-21:59

2 stops29h 34m

£511

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 25/2

17:40-09:10

1 stop10h 30m

Belfast City

Sun 1/3

17:35-20:15

1 stop31h 40m

£516

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

12:59-10:40

2 stops16h 41m

Belfast City

Mon 2/2

11:30-18:45

1 stop12h 15m

£521

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 1/4

18:05-11:55

1 stop12h 50m

Belfast City

Tue 21/4

09:35-16:05

1 stop11h 30m

£527

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 16/1

22:05-09:10

1 stop30h 05m

Belfast City

Mon 19/1

14:40-20:15

1 stop10h 35m

£528

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

15:10-20:10

2 stops24h 00m

Belfast Intl

Mon 2/2

06:00-16:05

1 stop15h 05m

£531

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 33 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 £445). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £750). 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 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 £511, British Airways can have you in Northern Ireland from Region of Ontario in 10h 30m. The distance between Region of Ontario and Northern Ireland is about 3254 mi.

  • 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 £445). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £750). 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

Browse thousands of different options on Cheapflights for your next trip

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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

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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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