Cheap flights from Ontario to Belfast 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 Belfast
Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 29 August 2025.
Round-trip from | £444 |
---|---|
One-way from | £149 |
Popular in | July |
Cheapest in | October |
Average price | £791 |
Find flight deals from Ontario to Belfast
Cheapest flights from Ontario to BelfastExplore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ontario to Belfast 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
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Sat 27/9
22:15-07:50
1 stop28h 35m
Belfast Intl
Sat 4/10
16:30-16:50
2 stops29h 20m
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
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
Wed 24/9
22:15-22:55
1 stop19h 40m
Belfast Intl
Fri 3/10
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
MontrealBelfast
YUL - BFS
YULBFS
Montreal Pierre Elliott Trudeau Intl
Wed 10/9
21:30-19:05
1 stop16h 35m
Belfast Intl
Fri 12/9
06:05-14:15
1 stop13h 10m
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
Best time to book a flight from Ontario to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Belfast
What is the cheapest month to book a flight from Region of Ontario to Belfast?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £67). Flying from Region of Ontario to Belfast 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 Belfast?
Related info for your journey
Find useful and relevant information for your journey from Ontario to Belfast. 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 Belfast
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 Belfast?
Cheapflights makes it easy to find Ontario to Belfast 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 Belfast?
Cheapflights helps you find that perfect flight to Belfast from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario to Belfast with no change fees?
Certainly. Search results for flights to Belfast from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ontario to Belfast 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!