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Cheap flights from Northern Ireland to Ontario from £196

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
29 Mar — 5 Apr1
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 27 February 2026.

Thu 14/520:05
BFS
-
YUL
1 stop22h 55m
Multiple Airlines
Tue 19/519:20
YUL
-
BFS
2 stops19h 20m
Multiple Airlines
Deal found 26/2£478
Thu 14/507:00
BHD
-
YUL
2 stops17h 20m
Multiple Airlines
Tue 19/522:05
YUL
-
BHD
1 stop15h 05m
Multiple Airlines
Deal found 26/2£486
Fri 12/606:05
BFS
-
YYZ
2 stops21h 00m
Multiple Airlines
Sat 20/620:45
YYZ
-
BFS
2 stops21h 40m
Multiple Airlines
Deal found 25/2£505
Fri 4/921:10
BFS
-
YYZ
1 stop20h 35m
Multiple Airlines
Fri 18/922:45
YYZ
-
BFS
1 stop29h 40m
Multiple Airlines
Deal found 24/2£523
Wed 22/418:20
BHD
-
YYZ
1 stop30h 50m
British Airways
Sun 26/422:15
YYZ
-
BHD
1 stop11h 20m
British Airways
Deal found 24/2£554
Fri 4/906:30
BHD
-
YYZ
1 stop16h 00m
Multiple Airlines
Fri 18/916:30
YYZ
-
BHD
2 stops20h 40m
Multiple Airlines
Deal found 24/2£557
Fri 9/1011:00
BHD
-
YUL
1 stop14h 15m
British Airways
Mon 12/1022:00
YUL
-
BHD
1 stop9h 55m
British Airways
Deal found 25/2£560
Tue 18/822:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Wed 26/819:15
YYZ
-
BFS
1 stop14h 15m
Multiple Airlines
Deal found 25/2£574
Mon 30/315:20
BHD
-
YYZ
2 stops29h 10m
American Airlines
Sat 18/422:00
YYZ
-
BHD
1 stop12h 05m
American Airlines
Deal found 23/2£574
Wed 1/411:35
BHD
-
YYZ
2 stops27h 14m
British Airways
Wed 15/422:00
YYZ
-
BHD
1 stop12h 40m
British Airways
Deal found 23/2£578
Fri 12/616:25
BHD
-
YYZ
2 stops22h 51m
British Airways
Sat 20/622:00
YYZ
-
BHD
1 stop12h 05m
British Airways
Deal found 25/2£579
Mon 30/315:20
BHD
-
YYZ
2 stops29h 10m
American Airlines
Tue 14/422:00
YYZ
-
BHD
1 stop14h 35m
American Airlines
Deal found 23/2£583

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 27 February 2026.

Round-trip from

£478

One-way from

£196
14/5-19/5
  • 14/5-19/5
  • 3 total stops
  • 42h 15m total
  • Northern Ireland to Ontario
Search Deals
12/4
  • 12/4
  • 3 total stops
  • 46h 38m 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 27 February 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

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Thu 14/5

20:05-14:00

1 stop22h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

19:20-19:40

2 stops19h 20m

£478

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

07:00-19:20

2 stops17h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

22:05-18:10

1 stop15h 05m

£486

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 12/6

06:05-22:05

2 stops21h 00m

Toronto Pearson Intl

Sat 20/6

20:45-23:25

2 stops21h 40m

£505

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 22/4

18:20-20:10

1 stop30h 50m

Toronto Pearson Intl

Sun 26/4

22:15-14:35

1 stop11h 20m

£554

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 6/5

20:35-21:34

2 stops29h 59m

Toronto Pearson Intl

Sun 10/5

22:15-14:35

1 stop11h 20m

£574

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 18/8

22:45-11:00

1 stop17h 15m

Toronto Pearson Intl

Wed 26/8

19:15-14:30

1 stop14h 15m

£574

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 12/6

16:25-10:16

2 stops22h 51m

Toronto Pearson Intl

Sat 20/6

22:00-15:05

1 stop12h 05m

£579

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 12/6

15:00-11:00

1 stop25h 00m

Toronto Pearson Intl

Sat 20/6

19:15-14:35

1 stop14h 20m

£587

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 12/4

21:05-16:00

1 stop23h 55m

Toronto Pearson Intl

Sun 19/4

22:35-07:40

1 stop28h 05m

£611

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 1/4

15:40-14:15

2 stops27h 35m

Toronto Pearson Intl

Fri 17/4

20:25-19:50

1 stop18h 25m

£622

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 27 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
7,772 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Overall

6.7

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
7,772 reviews
British Airways
6.7
Okay
7,772 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Overall

6.7

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 30h 50m. The distance between Northern Ireland and Region of Ontario is about 3254 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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£410Average£509FlexibilityNo 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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