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Cheap flights from Ontario to Belfast from £153

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
12 Jul — 19 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 12 June 2026.

Wed 15/721:55
YYZ
-
BFS
1 stop18h 50m
Multiple Airlines
Mon 20/718:50
BFS
-
YYZ
2 stops25h 05m
Multiple Airlines
Deal found 7/6£379
Mon 24/822:15
YYZ
-
BFS
1 stop18h 20m
Multiple Airlines
Tue 1/905:55
BFS
-
YYZ
2 stops14h 00m
Multiple Airlines
Deal found 8/6£401
Wed 22/722:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Tue 11/822:45
BFS
-
YYZ
2 stops43h 35m
Multiple Airlines
Deal found 11/6£401
Sun 16/822:15
YYZ
-
BFS
1 stop19h 35m
Multiple Airlines
Sun 30/806:45
BFS
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 8/6£403
Tue 7/722:15
YYZ
-
BFS
1 stop16h 35m
Multiple Airlines
Tue 14/705:55
BFS
-
YYZ
1 stop13h 15m
Multiple Airlines
Deal found 7/6£416
Wed 10/619:15
YYZ
-
BHD
1 stop14h 15m
Multiple Airlines
Wed 17/618:20
BHD
-
YYZ
1 stop21h 40m
Multiple Airlines
Deal found 9/6£419
Thu 9/718:15
YYZ
-
BFS
2 stops12h 35m
Multiple Airlines
Thu 16/706:40
BFS
-
YYZ
1 stop12h 30m
Multiple Airlines
Deal found 10/6£423
Sun 16/822:15
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Sun 30/816:45
BHD
-
YYZ
2 stops25h 35m
Multiple Airlines
Deal found 9/6£434
Mon 24/822:15
YYZ
-
BHD
1 stop14h 45m
Multiple Airlines
Tue 1/907:00
BHD
-
YYZ
2 stops12h 55m
Multiple Airlines
Deal found 8/6£440
Wed 22/722:15
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Tue 11/807:00
BHD
-
YYZ
1 stop12h 10m
Multiple Airlines
Deal found 11/6£441
Tue 9/606:55
YOW
-
BFS
2 stops31h 55m
Multiple Airlines
Tue 16/607:00
BFS
-
YOW
3 stops22h 20m
Multiple Airlines
Deal found 7/6£469
Wed 14/1020:35
YUL
-
BFS
2 stops18h 05m
Multiple Airlines
Wed 21/1006:10
BFS
-
YUL
1 stop13h 05m
Multiple Airlines
Deal found 9/6£479

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 12 June 2026.

Round-trip from

£379

One-way from

£153
15/7-20/7
  • 15/7-20/7
  • 3 total stops
  • 43h 55m total
  • Ontario to Belfast
Search Deals
7/7
  • 7/7
  • 1 total stop
  • 19h 20m 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 12 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

Wed 15/7

21:55-21:45

1 stop18h 50m

Belfast Intl

Mon 20/7

18:50-14:55

2 stops25h 05m

£379

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 9/9

19:15-14:30

1 stop14h 15m

Belfast City

Wed 30/9

18:20-11:00

1 stop21h 40m

£419

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 22/7

22:15-23:15

1 stop20h 00m

Belfast Intl

Tue 11/8

08:20-14:10

1 stop10h 50m

£431

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 29/7

21:55-12:05

1 stop9h 10m

Belfast Intl

Mon 3/8

10:30-21:45

3 stops40h 15m

£452

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 19/8

19:15-14:30

1 stop14h 15m

Belfast Intl

Wed 26/8

22:45-11:00

1 stop17h 15m

£469

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

20:35-19:40

2 stops18h 05m

Belfast Intl

Wed 21/10

06:10-14:15

1 stop13h 05m

£479

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 13/7

19:15-22:15

1 stop22h 00m

Belfast Intl

Mon 20/7

13:55-11:00

1 stop26h 05m

£500

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Wed 29/7

10:50-19:15

2 stops27h 25m

Belfast Intl

Mon 3/8

20:35-19:51

2 stops28h 16m

£525

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 26/11

21:35-07:40

1 stop29h 05m

Belfast Intl

Mon 30/11

06:30-15:00

1 stop13h 30m

£528

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

21:30-10:40

1 stop32h 10m

Belfast Intl

Mon 19/10

15:35-11:35

1 stop25h 00m

£533

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 57 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 9h 55m. Fly via British Airways to get the fastest option. Region of Ontario and Belfast are separated by a distance of 3254 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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