Cheap flights from Ontario to Northern Ireland from £149
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 28 August 2025.
Round-trip from | £446 |
---|---|
One-way from | £149 |
Popular in | July |
Cheapest in | October |
Average price | £794 |
Find flight deals from Ontario to Northern Ireland
Cheapest flights from Ontario to Northern IrelandExplore 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 28 August 2025.
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 28 August 2025.
Cheapflights Fare Finder
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
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Mon 6/10
22:15-16:10
1 stop12h 55m
Belfast Intl
Fri 10/10
21:05-17:10
2 stops25h 05m
TorontoBelfast
YTZ - BFS
YTZBFS
Toronto Island
Mon 6/10
14:45-15:50
2 stops20h 05m
Belfast Intl
Fri 10/10
06:05-18:10
2 stops17h 05m
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Sun 26/10
23:55-21:30
1 stop17h 35m
Belfast Intl
Fri 31/10
06:00-22:10
1 stop20h 10m
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Mon 13/10
22:15-22:30
1 stop19h 15m
Belfast Intl
Wed 29/10
10:40-15:45
2 stops33h 05m
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Sat 11/10
22:15-22:30
1 stop19h 15m
Belfast Intl
Sat 18/10
19:35-09:59
3 stops43h 24m
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Thu 25/9
22:15-23:30
1 stop20h 15m
Belfast Intl
Thu 2/10
08:20-14:10
1 stop10h 50m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 13/10
18:00-13:45
2 stops14h 45m
Belfast City
Wed 29/10
07:25-16:00
1 stop12h 35m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 13/10
18:05-08:50
1 stop9h 45m
Belfast City
Wed 29/10
06:35-15:50
1 stop13h 15m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 6/10
18:05-08:50
1 stop9h 45m
Belfast City
Mon 13/10
19:30-20:10
1 stop29h 40m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Tue 18/11
20:40-14:50
1 stop13h 10m
Belfast City
Sun 30/11
20:25-18:45
1 stop27h 20m
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Northern Ireland
What is the cheapest month to book a flight from Region of Ontario to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £67). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost for a return flight from Region of Ontario to Northern Ireland?
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.
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Alternative routes for Ontario to Northern Ireland
See prices for flight routes from nearby airports that may be better suited for you.
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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.