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Cheap flights from Ontario to Belfast from £188

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
24 Aug — 31 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 25 July 2026.

Tue 15/921:55
YYZ
-
BFS
1 stop13h 25m
Multiple Airlines
Tue 22/911:55
BFS
-
YYZ
3 stops38h 50m
Multiple Airlines
Deal found 24/7£371
Thu 27/822:15
YYZ
-
BFS
1 stop15h 40m
Multiple Airlines
Tue 8/908:50
BFS
-
YYZ
3 stops41h 55m
Multiple Airlines
Deal found 23/7£405
Mon 10/807:35
YYZ
-
BFS
2 stops22h 40m
Multiple Airlines
Mon 24/818:50
BFS
-
YYZ
3 stops27h 20m
Multiple Airlines
Deal found 21/7£415
Fri 2/1022:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Tue 6/1016:40
BFS
-
YYZ
2 stops28h 10m
Multiple Airlines
Deal found 21/7£426
Sun 13/906:45
YUL
-
BFS
2 stops31h 05m
Multiple Airlines
Sun 27/920:20
BFS
-
YUL
2 stops29h 40m
Multiple Airlines
Deal found 20/7£433
Mon 14/907:35
YYZ
-
BFS
2 stops22h 40m
Multiple Airlines
Thu 1/1008:20
BFS
-
YYZ
1 stop10h 50m
Multiple Airlines
Deal found 21/7£446
Sun 13/921:55
YYZ
-
BFS
1 stop15h 55m
Multiple Airlines
Sat 3/1021:15
BFS
-
YYZ
2 stops22h 45m
Multiple Airlines
Deal found 21/7£448
Tue 8/919:15
YYZ
-
BFS
1 stop19h 25m
Multiple Airlines
Tue 15/921:15
BFS
-
YYZ
1 stop18h 45m
Multiple Airlines
Deal found 24/7£456
Mon 7/919:15
YYZ
-
BFS
1 stop20h 25m
Multiple Airlines
Mon 14/916:50
BFS
-
YYZ
1 stop23h 10m
Multiple Airlines
Deal found 24/7£456
Thu 8/1022:05
YUL
-
BHD
1 stop15h 35m
Multiple Airlines
Sun 18/1007:00
BHD
-
YUL
1 stop12h 15m
Multiple Airlines
Deal found 22/7£457
Tue 15/906:45
YUL
-
BFS
2 stops28h 35m
Multiple Airlines
Sat 26/918:10
BFS
-
YUL
1 stop22h 15m
Multiple Airlines
Deal found 25/7£457
Wed 9/919:15
YYZ
-
BFS
1 stop20h 55m
Multiple Airlines
Wed 30/917:40
BFS
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 22/7£460

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 25 July 2026.

Round-trip from

£371

One-way from

£188
15/9-22/9
  • 15/9-22/9
  • 4 total stops
  • 52h 15m total
  • Ontario to Belfast
Search Deals
16/9
  • 16/9
  • 1 total stop
  • 14h 10m 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 25 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

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

17:45-18:50

2 stops20h 05m

Belfast Intl

Sun 27/9

06:45-11:35

2 stops33h 50m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 19/9

22:45-22:40

1 stop18h 55m

Belfast Intl

Fri 2/10

06:05-22:00

2 stops20h 55m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 8/9

19:15-19:40

1 stop19h 25m

Belfast Intl

Tue 15/9

21:15-11:00

1 stop18h 45m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 7/9

19:15-20:40

1 stop20h 25m

Belfast Intl

Mon 14/9

16:50-11:00

1 stop23h 10m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 16/9

19:15-17:05

1 stop16h 50m

Belfast Intl

Wed 23/9

14:20-11:00

1 stop25h 40m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 9/9

19:15-21:10

1 stop20h 55m

Belfast Intl

Wed 30/9

17:40-11:00

1 stop22h 20m

£460

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 1/10

22:45-09:00

1 stop29h 15m

Belfast Intl

Mon 5/10

15:50-15:40

1 stop28h 50m

£466

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 27/8

22:15-23:25

2 stops20h 10m

Belfast Intl

Tue 8/9

16:40-21:45

3 stops34h 05m

£467

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 14/9

19:15-20:40

1 stop20h 25m

Belfast Intl

Wed 30/9

17:40-11:00

1 stop22h 20m

£467

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 15/9

19:15-19:40

1 stop19h 25m

Belfast Intl

Tue 22/9

21:15-11:00

1 stop18h 45m

£472

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 50 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 British Airways to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - Belfast City or Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau 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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