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Cheap flights from Ontario to Northern Ireland from £176

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
8 Jun — 15 Jun1
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 9 May 2026.

Sun 7/622:15
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Mon 15/608:40
BFS
-
YYZ
2 stops33h 40m
Multiple Airlines
Deal found 9/5£395
Tue 9/621:55
YYZ
-
BFS
1 stop13h 25m
Multiple Airlines
Wed 17/615:40
BFS
-
YYZ
3 stops47h 20m
Multiple Airlines
Deal found 4/5£397
Tue 9/621:55
YYZ
-
BHD
1 stop14h 55m
Multiple Airlines
Wed 17/618:20
BHD
-
YYZ
3 stops32h 25m
Multiple Airlines
Deal found 4/5£401
Tue 2/606:45
YUL
-
BFS
2 stops28h 35m
Multiple Airlines
Mon 15/621:55
BFS
-
YUL
3 stops31h 30m
Multiple Airlines
Deal found 7/5£420
Mon 8/622:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Sun 21/607:10
BFS
-
YYZ
2 stops37h 40m
Multiple Airlines
Deal found 5/5£423
Thu 4/607:35
YYZ
-
BFS
2 stops30h 20m
Multiple Airlines
Thu 11/622:45
BFS
-
YYZ
2 stops22h 05m
Multiple Airlines
Deal found 7/5£437
Fri 5/622:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Tue 16/607:00
BFS
-
YYZ
2 stops13h 50m
Multiple Airlines
Deal found 7/5£439
Fri 5/622:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Thu 18/606:55
BFS
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 7/5£442
Tue 2/619:15
YYZ
-
BFS
1 stop16h 05m
Multiple Airlines
Mon 15/621:35
BFS
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 7/5£443
Sat 6/622:15
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Fri 12/617:05
BFS
-
YYZ
2 stops27h 45m
Multiple Airlines
Deal found 6/5£444
Sat 6/623:50
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Fri 12/616:55
BHD
-
YYZ
1 stop28h 05m
Multiple Airlines
Deal found 8/5£459
Sat 6/623:50
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Sat 13/617:10
BHD
-
YYZ
1 stop27h 50m
Multiple Airlines
Deal found 8/5£463

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 9 May 2026.

Round-trip from

£397

One-way from

£176
9/6-17/6
  • 9/6-17/6
  • 4 total stops
  • 60h 45m total
  • Ontario to Northern Ireland
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 13h 00m total
  • Ontario to Northern Ireland
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 9 May 2026.
Use the filters below to find and compare flights from Ontario to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 7/6

22:15-18:25

1 stop15h 10m

Belfast Intl

Mon 15/6

08:40-13:20

2 stops33h 40m

£395

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 9/6

07:35-15:15

3 stops26h 40m

Belfast Intl

Wed 17/6

15:40-10:00

3 stops47h 20m

£409

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

06:45-16:20

2 stops28h 35m

Belfast Intl

Mon 15/6

21:55-00:25

3 stops31h 30m

£420

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/6

19:15-16:20

1 stop16h 05m

Belfast Intl

Mon 15/6

21:35-11:00

1 stop18h 25m

£443

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 6/6

07:05-18:55

2 stops30h 50m

Belfast Intl

Fri 12/6

19:55-15:50

2 stops24h 55m

£443

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 7/9

19:15-20:40

1 stop20h 25m

Belfast Intl

Mon 14/9

21:35-11:00

1 stop18h 25m

£444

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

19:15-16:15

1 stop16h 00m

Belfast Intl

Sun 21/6

21:25-11:00

1 stop18h 35m

£463

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 2/6

19:40-07:40

1 stop31h 00m

Belfast Intl

Mon 15/6

08:15-12:40

1 stop33h 25m

£464

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 4/6

22:15-21:45

1 stop18h 30m

Belfast Intl

Thu 11/6

22:45-15:50

2 stops22h 05m

£465

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

06:45-16:20

2 stops28h 35m

Belfast Intl

Mon 25/5

05:50-11:35

2 stops34h 45m

£517

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £789, British Airways can have you in Northern Ireland from Region of Ontario in 31h 05m. 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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How does Cheapflights help users find flights from Ontario to Northern Ireland?

Cheapflights makes it easy to find Ontario to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Northern Ireland for you. Better yet — we are completely free to use.

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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