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Cheap flights from Ontario to Belfast from £163

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
4 Jul — 11 Jul1
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 4 June 2026.

Mon 17/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Sat 29/821:40
BFS
-
YYZ
2 stops44h 40m
Multiple Airlines
Deal found 3/6£322
Sun 13/922:15
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Mon 21/921:55
BFS
-
YYZ
2 stops20h 25m
Multiple Airlines
Deal found 3/6£345
Sun 13/922:15
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Thu 24/920:40
BFS
-
YYZ
2 stops21h 40m
Multiple Airlines
Deal found 3/6£347
Mon 24/822:15
YYZ
-
BFS
1 stop18h 20m
Multiple Airlines
Fri 28/819:20
BFS
-
YYZ
2 stops23h 40m
Multiple Airlines
Deal found 30/5£369
Mon 17/822:15
YYZ
-
BHD
1 stop14h 50m
Multiple Airlines
Sat 29/817:10
BHD
-
YYZ
2 stops25h 10m
Multiple Airlines
Deal found 3/6£371
Thu 16/711:00
YYZ
-
BFS
2 stops29h 45m
Multiple Airlines
Thu 23/708:20
BFS
-
YYZ
1 stop10h 50m
Multiple Airlines
Deal found 1/6£391
Fri 21/821:55
YYZ
-
BFS
1 stop18h 55m
Multiple Airlines
Fri 28/819:20
BFS
-
YYZ
2 stops24h 35m
Multiple Airlines
Deal found 31/5£394
Mon 24/822:15
YYZ
-
BHD
1 stop17h 35m
Multiple Airlines
Fri 28/816:55
BHD
-
YYZ
2 stops26h 05m
Multiple Airlines
Deal found 30/5£397
Mon 15/619:15
YYZ
-
BFS
1 stop12h 15m
Multiple Airlines
Wed 1/722:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 31/5£401
Sun 13/922:15
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Wed 23/905:55
BFS
-
YYZ
1 stop13h 15m
Multiple Airlines
Deal found 3/6£404
Fri 5/619:15
YYZ
-
BFS
1 stop21h 35m
Multiple Airlines
Tue 16/616:45
BFS
-
YYZ
1 stop23h 15m
Multiple Airlines
Deal found 3/6£405
Mon 15/622:55
YYZ
-
BHD
2 stops17h 00m
Multiple Airlines
Wed 1/716:45
BHD
-
YYZ
2 stops25h 35m
Multiple Airlines
Deal found 31/5£414

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 4 June 2026.

Round-trip from

£322

One-way from

£163
17/8-29/8
  • 17/8-29/8
  • 3 total stops
  • 64h 30m total
  • Ontario to Belfast
Search Deals
12/9
  • 12/9
  • 1 total stop
  • 17h 05m 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 4 June 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

Mon 17/8

22:15-23:05

1 stop19h 50m

Belfast Intl

Sat 29/8

21:40-13:20

2 stops44h 40m

£322

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 16/7

11:00-21:45

2 stops29h 45m

Belfast Intl

Thu 23/7

08:20-14:10

1 stop10h 50m

£391

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 24/8

22:15-23:20

2 stops20h 05m

Belfast Intl

Fri 28/8

19:20-14:00

2 stops23h 40m

£396

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 24/8

22:15-20:50

1 stop17h 35m

Belfast City

Fri 28/8

16:55-14:00

2 stops26h 05m

£397

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 15/6

19:15-12:30

1 stop12h 15m

Belfast Intl

Wed 1/7

22:45-11:00

1 stop17h 15m

£401

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 12/9

19:15-12:50

1 stop12h 35m

Belfast Intl

Sun 27/9

21:25-11:00

1 stop18h 35m

£415

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 21/8

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 28/8

15:20-11:00

1 stop24h 40m

£429

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 21/9

19:15-20:40

1 stop20h 25m

Belfast Intl

Tue 29/9

21:15-11:00

1 stop18h 45m

£429

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 22/9

19:15-16:20

1 stop16h 05m

Belfast Intl

Tue 29/9

21:15-11:00

1 stop18h 45m

£432

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 21/8

11:00-14:30

3 stops22h 30m

Belfast City

Fri 28/8

16:55-14:00

2 stops26h 05m

£448

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 58 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 15m. 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 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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