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Cheap flights from Ontario to Northern Ireland from £152

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
21 Jun — 28 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 22 May 2026.

Sun 7/622:15
YYZ
-
BFS
1 stop14h 10m
Multiple Airlines
Tue 16/616:40
BFS
-
YYZ
3 stops46h 20m
Multiple Airlines
Deal found 19/5£354
Mon 8/622:15
YYZ
-
BFS
2 stops20h 05m
Multiple Airlines
Mon 15/618:50
BFS
-
YYZ
3 stops27h 20m
Multiple Airlines
Deal found 18/5£375
Tue 9/619:15
YYZ
-
BFS
1 stop19h 25m
Multiple Airlines
Tue 16/621:15
BFS
-
YYZ
1 stop18h 45m
Multiple Airlines
Deal found 17/5£390
Sun 7/619:15
YYZ
-
BHD
1 stop11h 40m
Multiple Airlines
Fri 12/615:00
BHD
-
YYZ
1 stop25h 00m
Multiple Airlines
Deal found 20/5£416
Tue 16/622:15
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Sun 21/607:00
BHD
-
YYZ
1 stop12h 10m
Multiple Airlines
Deal found 20/5£462
Mon 8/606:45
YUL
-
BFS
2 stops32h 55m
Multiple Airlines
Sun 21/607:10
BFS
-
YUL
2 stops33h 25m
Multiple Airlines
Deal found 21/5£474
Mon 13/722:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Sun 19/710:15
BHD
-
YYZ
1 stop33h 30m
Multiple Airlines
Deal found 21/5£474
Fri 12/606:45
YUL
-
BFS
2 stops28h 45m
Multiple Airlines
Thu 18/612:45
BFS
-
YUL
3 stops33h 00m
Multiple Airlines
Deal found 17/5£480
Thu 18/606:45
YUL
-
BFS
3 stops31h 10m
Multiple Airlines
Wed 24/606:15
BFS
-
YUL
2 stops23h 22m
Multiple Airlines
Deal found 19/5£500
Fri 26/622:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Mon 6/715:25
BHD
-
YYZ
1 stop27h 45m
Multiple Airlines
Deal found 19/5£512
Thu 18/622:15
YYZ
-
BHD
1 stop13h 45m
Multiple Airlines
Thu 25/618:30
BHD
-
YYZ
1 stop24h 40m
Multiple Airlines
Deal found 19/5£518
Sat 4/706:55
YOW
-
BFS
2 stops33h 35m
Multiple Airlines
Sat 11/706:55
BFS
-
YOW
2 stops22h 25m
Multiple Airlines
Deal found 20/5£524

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 22 May 2026.

Round-trip from

£354

One-way from

£152
7/6-16/6
  • 7/6-16/6
  • 4 total stops
  • 60h 30m total
  • Ontario to Northern Ireland
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 20h 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 22 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

Mon 8/6

22:15-20:40

1 stop17h 25m

Belfast Intl

Mon 15/6

10:50-17:10

3 stops35h 20m

£384

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 7/6

19:15-21:00

1 stop20h 45m

Belfast Intl

Tue 16/6

21:15-11:00

1 stop18h 45m

£389

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 9/6

19:15-19:40

1 stop19h 25m

Belfast Intl

Tue 16/6

21:15-11:00

1 stop18h 45m

£390

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 16/6

22:15-22:45

1 stop19h 30m

Belfast Intl

Sun 21/6

08:25-14:10

1 stop10h 45m

£415

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 17/7

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 31/7

17:15-11:00

1 stop22h 45m

£459

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

06:45-20:40

2 stops32h 55m

Belfast Intl

Sun 21/6

07:10-11:35

2 stops33h 25m

£474

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

06:45-16:30

2 stops28h 45m

Belfast Intl

Thu 18/6

12:45-16:45

3 stops33h 00m

£480

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

06:45-18:55

3 stops31h 10m

Belfast Intl

Wed 24/6

06:15-00:37

2 stops23h 22m

£500

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 3/7

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 10/7

13:50-11:00

1 stop26h 10m

£505

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 24/7

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 31/7

17:15-11:00

1 stop22h 45m

£506

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 49 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 £754, British Airways can have you in Northern Ireland from Region of Ontario in 12h 30m. The distance between Region of Ontario and Northern Ireland 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 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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