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Cheap flights from Northern Ireland to Ontario from £202

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
26 May — 2 Jun1
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 26 April 2026.

Mon 3/821:55
BFS
-
YYZ
2 stops44h 25m
Multiple Airlines
Mon 10/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 25/4£505
Mon 10/814:40
BFS
-
YYZ
2 stops27h 40m
Multiple Airlines
Mon 17/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 23/4£519
Sat 6/609:30
BFS
-
YYZ
2 stops32h 50m
Multiple Airlines
Sat 13/622:15
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Deal found 22/4£525
Thu 1/1016:00
BHD
-
YYZ
1 stop29h 00m
Multiple Airlines
Tue 20/1023:50
YYZ
-
BHD
1 stop11h 25m
Multiple Airlines
Deal found 26/4£570
Mon 10/815:25
BHD
-
YYZ
2 stops26h 55m
Multiple Airlines
Mon 17/822:15
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Deal found 23/4£590
Thu 11/612:45
BFS
-
YTZ
3 stops38h 35m
Multiple Airlines
Thu 18/610:55
YTZ
-
BFS
3 stops31h 10m
Multiple Airlines
Deal found 26/4£618
Mon 29/606:10
BFS
-
YUL
1 stop13h 05m
Multiple Airlines
Wed 15/722:05
YUL
-
BFS
1 stop17h 35m
Multiple Airlines
Deal found 25/4£657
Thu 14/520:35
BHD
-
YUL
1 stop28h 40m
British Airways
Tue 19/522:00
YUL
-
BHD
1 stop16h 40m
British Airways
Deal found 22/4£658
Thu 1/1006:30
BHD
-
YYZ
2 stops15h 55m
British Airways
Tue 20/1022:00
YYZ
-
BHD
1 stop12h 20m
British Airways
Deal found 26/4£665
Mon 29/608:45
BHD
-
YUL
2 stops20h 52m
Multiple Airlines
Wed 15/717:10
YUL
-
BHD
2 stops21h 00m
Multiple Airlines
Deal found 25/4£668
Thu 14/506:30
BHD
-
YUL
1 stop18h 45m
American Airlines
Tue 19/522:00
YUL
-
BHD
1 stop16h 40m
American Airlines
Deal found 23/4£684
Mon 3/812:25
BHD
-
YYZ
1 stop27h 35m
Multiple Airlines
Mon 10/822:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Deal found 25/4£691

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 26 April 2026.

Round-trip from

£505

One-way from

£202
3/8-10/8
  • 3/8-10/8
  • 3 total stops
  • 64h 15m total
  • Northern Ireland to Ontario
Search Deals
1/5
  • 1/5
  • 3 total stops
  • 26h 55m 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 26 April 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 3/8

21:55-13:20

2 stops44h 25m

Toronto Pearson Intl

Mon 10/8

22:15-23:05

1 stop19h 50m

£505

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 6/6

09:30-13:20

2 stops32h 50m

Toronto Pearson Intl

Sat 13/6

22:15-08:50

1 stop29h 35m

£525

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 1/10

16:00-16:00

1 stop29h 00m

Toronto Pearson Intl

Tue 20/10

23:50-16:15

1 stop11h 25m

£570

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 10/8

09:30-17:10

3 stops36h 40m

Toronto Pearson Intl

Mon 17/8

22:15-16:25

1 stop13h 10m

£593

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 11/6

12:45-22:20

3 stops38h 35m

Toronto Island

Thu 18/6

10:55-23:05

3 stops31h 10m

£618

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Mon 10/8

10:15-14:45

1 stop33h 30m

Toronto Pearson Intl

Mon 17/8

22:15-18:05

1 stop14h 50m

£655

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 29/6

06:10-14:15

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

22:05-20:40

1 stop17h 35m

£657

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

20:35-20:15

1 stop28h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

22:00-19:40

1 stop16h 40m

£658
Fastest return journey

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 1/10

06:30-17:25

2 stops15h 55m

Toronto Pearson Intl

Tue 20/10

22:00-15:20

1 stop12h 20m

£665

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Mon 29/6

07:00-14:15

1 stop12h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

22:05-19:10

1 stop16h 05m

£672

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 40 resultsSorted by cheapest first
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2
3
4

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 26 April 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
7,917 reviews
Check prices

Boarding

6.9

Food

6.4

Entertainment

6.4

Crew

7.7

Overall

6.7

Comfort

6.8

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
7,917 reviews
British Airways
6.7
Okay
7,917 reviews
Check prices

Boarding

6.9

Food

6.4

Entertainment

6.4

Crew

7.7

Overall

6.7

Comfort

6.8

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. 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

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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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Heathrow to Vancouver Intl flights
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Southend to Pearson Intl flights
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Edinburgh to Vancouver Intl flights
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Stansted to Pierre Elliott Trudeau Intl flights
Luton to Calgary flights
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Heathrow to Edmonton flights
Gatwick to Edmonton flights
Leeds to Vancouver Intl flights
London City to Edmonton flights
Birmingham to Pearson Intl flights
Newcastle upon Tyne to Pearson Intl flights
Gatwick to Ottawa flights
Gatwick to Halifax flights
Manchester to Abbotsford flights
Newcastle upon Tyne to Vancouver Intl flights
Stansted to Halifax flights
Stansted to Edmonton flights
Belfast City to Vancouver Intl flights

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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£409Average£512FlexibilityNo 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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