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Cheap flights from Northern Ireland to Ontario from £302

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
14 Mar — 21 Mar1
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 12 February 2026.

Wed 11/307:25
BHD
-
YYZ
2 stops15h 50m
Multiple Airlines
Wed 18/320:40
YYZ
-
BHD
2 stops18h 40m
Multiple Airlines
Deal found 11/2£332
Wed 11/306:30
BFS
-
YYZ
2 stops16h 45m
Multiple Airlines
Wed 18/320:40
YYZ
-
BFS
2 stops17h 40m
Multiple Airlines
Deal found 11/2£333
Tue 21/408:20
BFS
-
YYZ
2 stops39h 50m
Multiple Airlines
Sat 25/423:10
YYZ
-
BFS
2 stops18h 30m
Multiple Airlines
Deal found 11/2£370
Sun 29/318:00
BFS
-
YUL
1 stop23h 50m
Multiple Airlines
Sun 5/420:25
YUL
-
BFS
1 stop13h 35m
Multiple Airlines
Deal found 11/2£554
Thu 2/707:00
BHD
-
YUL
1 stop12h 15m
Multiple Airlines
Wed 15/715:10
YUL
-
BHD
2 stops24h 20m
Multiple Airlines
Deal found 9/2£567
Thu 2/714:20
BHD
-
YUL
1 stop10h 55m
British Airways
Wed 15/722:00
YUL
-
BHD
1 stop12h 40m
British Airways
Deal found 9/2£570
Sat 10/1019:05
BHD
-
YUL
1 stop30h 10m
British Airways
Wed 14/1022:00
YUL
-
BHD
1 stop10h 35m
British Airways
Deal found 8/2£572
Fri 24/406:30
BHD
-
YUL
1 stop18h 45m
British Airways
Tue 28/422:00
YUL
-
BHD
1 stop12h 20m
British Airways
Deal found 8/2£578
Fri 27/206:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Sat 28/221:35
YYZ
-
BFS
1 stop13h 35m
Multiple Airlines
Deal found 11/2£578
Wed 11/309:15
BHD
-
YYZ
2 stops16h 14m
British Airways
Wed 18/318:40
YYZ
-
BHD
1 stop10h 30m
British Airways
Deal found 11/2£586
Tue 21/413:45
BHD
-
YYZ
1 stop11h 45m
Multiple Airlines
Sat 25/418:30
YYZ
-
BHD
1 stop12h 55m
Multiple Airlines
Deal found 11/2£588
Fri 10/706:05
BFS
-
YUL
1 stop13h 10m
Multiple Airlines
Sun 12/706:45
YUL
-
BFS
2 stops32h 30m
Multiple Airlines
Deal found 10/2£589

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 12 February 2026.

Round-trip from

£332

One-way from

£302
11/3-18/3
  • 11/3-18/3
  • 4 total stops
  • 34h 30m total
  • Northern Ireland to Ontario
Search Deals
13/7
  • 13/7
  • 3 total stops
  • 38h 45m 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 12 February 2026.
Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Northern Ireland

Fly to

Ontario

Route

Depart

Return

Price

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 11/3

07:25-19:15

2 stops15h 50m

Toronto Pearson Intl

Wed 18/3

20:40-19:20

2 stops18h 40m

£332

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 11/3

06:30-19:15

2 stops16h 45m

Toronto Pearson Intl

Wed 18/3

20:40-18:20

2 stops17h 40m

£333

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 21/4

08:20-19:10

2 stops39h 50m

Toronto Pearson Intl

Sat 25/4

23:10-22:40

2 stops18h 30m

£370

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 29/3

18:00-12:50

1 stop23h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

20:25-15:00

1 stop13h 35m

£554

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 2/7

07:00-14:15

1 stop12h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

15:10-20:30

2 stops24h 20m

£567

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Fri 24/4

06:30-20:15

1 stop18h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

22:00-15:20

1 stop12h 20m

£578

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 11/3

09:15-21:29

2 stops16h 14m

Toronto Pearson Intl

Wed 18/3

18:40-09:10

1 stop10h 30m

£586

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Tue 21/4

13:45-20:30

1 stop11h 45m

Toronto Pearson Intl

Sat 25/4

18:30-12:25

1 stop12h 55m

£588

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Fri 10/7

06:05-14:15

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

06:45-20:15

2 stops32h 30m

£589

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 2/7

14:20-20:15

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

22:00-15:20

1 stop12h 20m

£599

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 40 results
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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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 February 2026.
Get a feel of what it's like to fly with British Airways from Northern Ireland to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,736 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Food

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,736 reviews
British Airways
6.7
Okay
7,736 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Food

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

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 18h 45m. The distance between Northern Ireland and Region of Ontario is about 2953 mi.

  • 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

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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.
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Top airline flying from Northern Ireland to Ontario

Discover the top airline that operate flights from Northern Ireland to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£406Average£563FlexibilityNo cancel feeOn-time70%
Search British Airways 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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