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Cheap flights from Northern Ireland to Ontario from £178

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
25 Jul — 1 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Ontario
Explore the most affordable flight options available from Northern Ireland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 June 2026.

Mon 24/808:40
BFS
-
YYZ
2 stops33h 40m
Multiple Airlines
Sun 30/822:15
YYZ
-
BFS
1 stop28h 50m
Multiple Airlines
Deal found 25/6£327
Mon 24/821:55
BFS
-
YYZ
2 stops20h 25m
Multiple Airlines
Mon 31/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 21/6£334
Wed 16/917:40
BFS
-
YYZ
1 stop22h 20m
Multiple Airlines
Wed 30/919:15
YYZ
-
BFS
1 stop16h 50m
Multiple Airlines
Deal found 24/6£432
Fri 10/719:20
BFS
-
YYZ
1 stop23h 50m
Multiple Airlines
Mon 13/722:15
YYZ
-
BFS
1 stop28h 50m
Multiple Airlines
Deal found 21/6£433
Fri 10/716:20
BHD
-
YYZ
1 stop26h 50m
Multiple Airlines
Mon 13/722:15
YYZ
-
BHD
1 stop13h 45m
Multiple Airlines
Deal found 21/6£473
Wed 16/907:00
BHD
-
YYZ
2 stops20h 05m
Multiple Airlines
Wed 30/920:45
YYZ
-
BHD
2 stops17h 55m
Multiple Airlines
Deal found 24/6£479
Wed 7/1007:00
BHD
-
YYZ
1 stop13h 40m
Multiple Airlines
Sun 11/1022:45
YYZ
-
BHD
1 stop16h 45m
Multiple Airlines
Deal found 23/6£488
Mon 24/808:00
BFS
-
YTZ
2 stops15h 46m
Multiple Airlines
Sun 30/817:30
YTZ
-
BFS
2 stops22h 25m
Multiple Airlines
Deal found 25/6£490
Mon 24/808:00
BFS
-
YTZ
2 stops15h 46m
Multiple Airlines
Mon 31/817:30
YTZ
-
BFS
2 stops12h 45m
Multiple Airlines
Deal found 25/6£503
Fri 7/822:15
BFS
-
YTZ
2 stops22h 36m
Multiple Airlines
Fri 14/812:30
YTZ
-
BFS
2 stops23h 00m
Multiple Airlines
Deal found 23/6£511
Mon 2/1107:20
BHD
-
YYZ
1 stop12h 40m
Multiple Airlines
Tue 17/1121:35
YYZ
-
BHD
1 stop17h 55m
Multiple Airlines
Deal found 23/6£511
Wed 5/821:10
BFS
-
YTZ
2 stops23h 41m
Multiple Airlines
Mon 10/817:30
YTZ
-
BFS
2 stops12h 45m
Multiple Airlines
Deal found 22/6£522

Find flight deals from Northern Ireland to Ontario

Keep the following information in mind while searching for Northern Ireland to Ontario flight deals. Data was last updated 25 June 2026.

Round-trip from

£327

One-way from

£178
24/8-30/8
  • 24/8-30/8
  • 3 total stops
  • 62h 30m total
  • Northern Ireland to Ontario
Search Deals
23/8
  • 23/8
  • 2 total stops
  • 44h 20m total
  • Northern Ireland to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Ontario 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 25 June 2026.
Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 24/8

21:55-13:20

2 stops20h 25m

Toronto Pearson Intl

Mon 31/8

22:15-23:20

2 stops20h 05m

£382

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 16/9

17:40-11:00

1 stop22h 20m

Toronto Pearson Intl

Wed 30/9

19:15-17:05

1 stop16h 50m

£432

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 24/8

08:00-18:46

2 stops15h 46m

Toronto Island

Sun 30/8

17:30-20:55

2 stops22h 25m

£490

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 5/8

22:45-11:00

1 stop17h 15m

Toronto Pearson Intl

Sun 9/8

19:15-21:20

1 stop21h 05m

£491

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 5/8

21:10-11:00

1 stop18h 50m

Toronto Pearson Intl

Wed 12/8

19:50-19:15

1 stop18h 25m

£500

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 24/8

08:00-18:46

2 stops15h 46m

Toronto Island

Mon 31/8

17:30-11:15

2 stops12h 45m

£503

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 16/9

07:00-18:28

2 stops16h 28m

Toronto Pearson Intl

Wed 30/9

22:45-19:40

1 stop15h 55m

£508

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 7/8

22:15-15:51

2 stops22h 36m

Toronto Island

Fri 14/8

12:30-16:30

2 stops23h 00m

£511

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Wed 5/8

21:10-15:51

2 stops23h 41m

Toronto Island

Mon 10/8

17:30-11:15

2 stops12h 45m

£522

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 24/9

20:35-15:50

2 stops24h 15m

Toronto Pearson Intl

Mon 28/9

22:00-17:30

1 stop14h 30m

£569

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 29 resultsSorted by cheapest first
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Best time to book a flight from Northern Ireland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Northern Ireland 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 Northern Ireland to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    Departing from Northern Ireland to Region of Ontario will take you 15h. The distance between Northern Ireland and Region of Ontario is about 2953 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 Northern Ireland to Ontario that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Vancouver Intl flights
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Gatwick to Vancouver Intl flights
Heathrow to Toronto Island flights
Stansted to Pearson Intl flights
London City to Pearson Intl flights
London City to Vancouver Intl flights
Gatwick to Toronto Island flights
Stansted to Vancouver Intl flights
Heathrow to Calgary flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Manchester to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
Gatwick to Calgary flights
Luton to Vancouver Intl flights
London City to Calgary flights
Southend to Pearson Intl flights
Manchester to Vancouver Intl flights
Heathrow to Halifax flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Edinburgh to Pearson Intl flights
Manchester to Toronto Island flights
Stansted to Calgary flights
Heathrow to Ottawa flights
Luton to Calgary flights
Luton to Pierre Elliott Trudeau Intl flights
Gatwick to Ottawa flights
Edinburgh to Vancouver Intl flights
Gatwick to Halifax flights
Birmingham to Pearson Intl flights
Birmingham to Vancouver Intl flights
Glasgow Intl to Pearson Intl flights
Heathrow to Winnipeg flights
London City to Ottawa flights
Manchester to Calgary flights
Gatwick to Abbotsford flights
Edinburgh to Toronto Island flights
Stansted to Halifax flights
Stansted to Ottawa flights
Edinburgh to Calgary flights
Manchester to Abbotsford flights
Luton to Halifax flights
London City to Halifax flights
Manchester to Pierre Elliott Trudeau Intl flights
Heathrow to Edmonton flights

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 Northern Ireland to Ontario?

Deals for Northern Ireland to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Ontario from Northern Ireland? 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 Northern Ireland to Ontario 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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