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Cheap flights from Ontario to Northern Ireland from £227

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
10 Mar — 17 Mar1
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 8 February 2026.

Mon 30/317:45
YYZ
-
BFS
2 stops24h 35m
Multiple Airlines
Mon 13/421:55
BFS
-
YYZ
2 stops21h 20m
Multiple Airlines
Deal found 7/2£363
Mon 30/307:10
YYZ
-
BHD
2 stops25h 30m
Multiple Airlines
Mon 13/414:25
BHD
-
YYZ
2 stops28h 50m
Multiple Airlines
Deal found 7/2£444
Fri 6/321:35
YYZ
-
BHD
1 stop11h 00m
Multiple Airlines
Fri 13/307:20
BHD
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 6/2£477
Tue 24/320:40
YYZ
-
BFS
2 stops17h 15m
Multiple Airlines
Tue 31/308:20
BFS
-
YYZ
2 stops39h 50m
Multiple Airlines
Deal found 7/2£498
Tue 10/221:35
YYZ
-
BFS
1 stop31h 30m
Multiple Airlines
Tue 17/220:55
BFS
-
YYZ
1 stop23h 05m
Multiple Airlines
Deal found 6/2£521
Sat 18/421:30
YUL
-
BFS
3 stops20h 55m
Multiple Airlines
Wed 22/409:45
BFS
-
YUL
2 stops29h 55m
Multiple Airlines
Deal found 7/2£554
Tue 7/416:55
YOW
-
BFS
3 stops17h 20m
Multiple Airlines
Thu 30/412:45
BFS
-
YOW
3 stops40h 35m
Multiple Airlines
Deal found 7/2£561
Thu 5/319:45
YUL
-
BFS
2 stops20h 20m
Multiple Airlines
Thu 12/320:05
BFS
-
YUL
2 stops28h 35m
Multiple Airlines
Deal found 4/2£575
Tue 7/416:55
YOW
-
BHD
3 stops19h 55m
Multiple Airlines
Thu 30/415:00
BHD
-
YOW
3 stops31h 35m
Multiple Airlines
Deal found 7/2£582
Sun 22/322:35
YYZ
-
BFS
1 stop15h 20m
Multiple Airlines
Sun 29/321:05
BFS
-
YYZ
1 stop23h 55m
Multiple Airlines
Deal found 5/2£589
Sun 24/519:25
YUL
-
BHD
2 stops11h 30m
Multiple Airlines
Sat 30/507:00
BHD
-
YUL
1 stop12h 15m
Multiple Airlines
Deal found 5/2£591
Tue 10/218:05
YYZ
-
BHD
1 stop12h 25m
British Airways
Tue 17/215:05
BHD
-
YYZ
1 stop28h 45m
British Airways
Deal found 6/2£603

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 8 February 2026.

Round-trip from

£363

One-way from

£227

Popular in

July

Cheapest in

October

Average price

£629
30/3-13/4
  • 30/3-13/4
  • 4 total stops
  • 45h 55m total
  • Ontario to Northern Ireland
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 32h 20m total
  • Ontario to Northern Ireland
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£250 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 8 February 2026.
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

Mon 30/3

17:45-23:20

2 stops24h 35m

Belfast Intl

Mon 13/4

21:55-14:15

2 stops21h 20m

£363

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 30/3

07:10-13:40

2 stops25h 30m

Belfast City

Mon 13/4

14:25-14:15

2 stops28h 50m

£444

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 6/3

21:35-13:35

1 stop11h 00m

Belfast City

Fri 13/3

07:20-16:00

1 stop12h 40m

£477

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 24/3

20:40-17:55

2 stops17h 15m

Belfast Intl

Tue 31/3

08:20-19:10

2 stops39h 50m

£498

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

21:30-23:25

3 stops20h 55m

Belfast Intl

Wed 22/4

09:45-10:40

2 stops29h 55m

£554

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 7/4

16:55-15:15

3 stops17h 20m

Belfast Intl

Thu 30/4

12:45-00:20

3 stops40h 35m

£561

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

19:45-21:05

2 stops20h 20m

Belfast Intl

Thu 12/3

20:05-20:40

2 stops28h 35m

£575

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Tue 7/4

16:55-17:50

3 stops19h 55m

Belfast City

Thu 30/4

15:00-17:35

3 stops31h 35m

£582

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 22/3

22:35-17:55

1 stop15h 20m

Belfast Intl

Sun 29/3

21:05-16:00

1 stop23h 55m

£589

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

19:25-11:55

2 stops11h 30m

Belfast City

Sat 30/5

07:00-14:15

1 stop12h 15m

£591

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 48 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
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 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 £670, British Airways can have you in Northern Ireland from Region of Ontario in 9h 25m. The distance between Region of Ontario and Northern Ireland is about 2953 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.

See more FAQs

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

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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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