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Cheap flights from Ontario to Belfast 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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast
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 18 July 2026.

Wed 26/822:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Wed 2/915:40
BFS
-
YYZ
3 stops35h 05m
Multiple Airlines
Deal found 14/7£385
Sun 30/819:15
YYZ
-
BFS
1 stop20h 45m
Multiple Airlines
Sun 6/921:25
BFS
-
YYZ
1 stop18h 35m
Multiple Airlines
Deal found 16/7£410
Thu 6/823:55
YYZ
-
BFS
2 stops14h 35m
Multiple Airlines
Tue 25/823:30
BFS
-
YYZ
3 stops39h 30m
Multiple Airlines
Deal found 14/7£413
Wed 26/822:15
YYZ
-
BHD
1 stop17h 35m
Multiple Airlines
Wed 2/916:45
BHD
-
YYZ
3 stops27h 15m
Multiple Airlines
Deal found 14/7£417
Fri 28/821:55
YYZ
-
BFS
1 stop18h 55m
Multiple Airlines
Fri 4/917:05
BFS
-
YYZ
3 stops45h 55m
Multiple Airlines
Deal found 14/7£419
Fri 16/1019:15
YYZ
-
BFS
1 stop21h 35m
Multiple Airlines
Fri 23/1021:05
BFS
-
YYZ
1 stop18h 55m
Multiple Airlines
Deal found 15/7£422
Sat 12/922:05
YUL
-
BFS
1 stop19h 35m
Multiple Airlines
Wed 23/908:15
BFS
-
YUL
1 stop11h 00m
Multiple Airlines
Deal found 14/7£450
Fri 16/1022:45
YYZ
-
BHD
1 stop16h 45m
Multiple Airlines
Fri 23/1007:00
BHD
-
YYZ
2 stops20h 00m
Multiple Airlines
Deal found 15/7£453
Thu 20/823:05
YYZ
-
BFS
2 stops15h 25m
Multiple Airlines
Mon 24/818:50
BFS
-
YYZ
2 stops25h 05m
Multiple Airlines
Deal found 13/7£455
Fri 25/919:10
YYZ
-
BHD
2 stops13h 30m
Multiple Airlines
Mon 28/907:00
BHD
-
YYZ
2 stops15h 40m
Multiple Airlines
Deal found 14/7£459
Wed 5/821:35
YYZ
-
BFS
2 stops19h 45m
Multiple Airlines
Wed 12/822:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 16/7£465
Sun 16/819:15
YYZ
-
BFS
1 stop21h 05m
Multiple Airlines
Sat 22/822:25
BFS
-
YYZ
1 stop17h 35m
Multiple Airlines
Deal found 15/7£469

Find flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 18 July 2026.

Round-trip from

£385

One-way from

£152
26/8-2/9
  • 26/8-2/9
  • 4 total stops
  • 51h 05m total
  • Ontario to Belfast
Search Deals
31/8
  • 31/8
  • 2 total stops
  • 22h 40m total
  • Ontario to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Belfast 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 18 July 2026.
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

Cheapest return flight

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 25/9

19:15-21:50

1 stop21h 35m

Belfast Intl

Mon 28/9

21:35-11:00

1 stop18h 25m

£447

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

22:05-22:40

1 stop19h 35m

Belfast Intl

Wed 23/9

08:15-14:15

1 stop11h 00m

£450

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 28/8

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 4/9

21:05-11:00

1 stop18h 55m

£452

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 16/8

19:15-21:20

1 stop21h 05m

Belfast Intl

Sat 22/8

22:25-11:00

1 stop17h 35m

£469

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 26/8

22:15-19:15

1 stop16h 00m

Belfast Intl

Wed 2/9

21:50-15:50

2 stops23h 00m

£477

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 16/10

22:15-20:45

1 stop17h 30m

Belfast Intl

Fri 23/10

22:15-15:40

3 stops46h 25m

£488

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 1/12

21:35-10:05

1 stop31h 30m

Belfast Intl

Tue 8/12

08:30-15:00

1 stop11h 30m

£492

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

21:30-10:40

1 stop32h 10m

Belfast Intl

Tue 1/9

14:45-11:35

1 stop25h 50m

£493

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

17:45-17:05

2 stops18h 20m

Belfast Intl

Sat 26/9

10:10-21:00

1 stop15h 50m

£510

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

22:05-18:35

1 stop15h 30m

Belfast Intl

Fri 25/9

06:05-14:15

1 stop13h 10m

£518

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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 Belfast

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 Belfast. 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 Belfast?

    There are many flights that can get you from Region of Ontario to Belfast in 12h 10m. Fly via Aer Lingus or British Airways to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Belfast?

    While some choose either Toronto Pearson Intl - Belfast City or Montreal Pierre Elliott Trudeau Intl - Belfast Intl, Toronto Pearson Intl - Belfast Intl is the most popular route from Region of Ontario to Belfast.

  • Can I find deals for flights from Ontario to Belfast that include hotel bookings?

    Yes. In addition to deals on Ontario to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Belfast.

  • Can I find deals for business class flights from Ontario to Belfast?

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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 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!

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