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Cheap flights from Ontario to Belfast Intl Airport from £154

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 — BFS
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast Intl
Explore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 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£325
Mon 31/822:15
YYZ
-
BFS
1 stop17h 25m
Multiple Airlines
Thu 3/912:45
BFS
-
YYZ
2 stops29h 35m
Multiple Airlines
Deal found 4/6£353
Mon 31/822:15
YYZ
-
BFS
1 stop17h 25m
Multiple Airlines
Wed 2/914:20
BFS
-
YYZ
2 stops28h 00m
Multiple Airlines
Deal found 4/6£365
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£380
Wed 22/721:55
YYZ
-
BFS
1 stop18h 50m
Multiple Airlines
Wed 29/707:35
BFS
-
YYZ
1 stop11h 05m
Multiple Airlines
Deal found 6/6£386
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£402
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£404
Thu 16/718:15
YYZ
-
BFS
2 stops19h 40m
Multiple Airlines
Thu 23/706:40
BFS
-
YYZ
1 stop12h 30m
Multiple Airlines
Deal found 5/6£406
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£470
Thu 23/722:05
YUL
-
BFS
1 stop20h 25m
Multiple Airlines
Thu 6/820:55
BFS
-
YUL
1 stop22h 20m
Multiple Airlines
Deal found 6/6£510
Wed 29/710:50
YTZ
-
BFS
2 stops27h 25m
Multiple Airlines
Mon 3/820:35
BFS
-
YTZ
2 stops28h 16m
Multiple Airlines
Deal found 7/6£527
Mon 20/717:45
YUL
-
BFS
2 stops24h 20m
Multiple Airlines
Mon 27/710:30
BFS
-
YUL
1 stop29h 10m
Multiple Airlines
Deal found 5/6£537

Find flight deals from Ontario to Belfast Intl

Keep the following information in mind while searching for Ontario to Belfast Intl flight deals. Data was last updated 9 June 2026.

Round-trip from

£325

One-way from

£154
17/8-29/8
  • 17/8-29/8
  • 3 total stops
  • 64h 30m 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 Intl 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 9 June 2026.
Use the filters below to find and compare flights from Ontario to Belfast Intl Airport 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

£325

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 31/8

22:15-20:40

1 stop17h 25m

Belfast Intl

Thu 3/9

12:45-13:20

2 stops29h 35m

£353

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 31/8

21:35-23:05

2 stops20h 30m

Belfast Intl

Wed 2/9

15:40-13:20

2 stops26h 40m

£373

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

£380

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 22/7

21:55-21:45

1 stop18h 50m

Belfast Intl

Wed 29/7

07:35-13:40

1 stop11h 05m

£386
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 5/7

19:15-15:55

1 stop15h 40m

Belfast Intl

Sun 12/7

06:00-11:00

1 stop10h 00m

£417

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 22/7

22:15-19:15

1 stop16h 00m

Belfast Intl

Thu 30/7

06:40-14:10

1 stop12h 30m

£420

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

£527

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

17:45-22:15

2 stops23h 30m

Belfast Intl

Tue 14/7

07:35-10:40

2 stops32h 05m

£545

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

22:05-22:35

1 stop19h 30m

Belfast Intl

Mon 27/7

20:55-14:15

1 stop22h 20m

£569

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl Airport
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 Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most travelers choose Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Toronto Island - Belfast Intl when deciding on the best route from Region of Ontario to Belfast Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Dungannon

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How does Cheapflights help users find flights from Ontario to Belfast Intl?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Belfast Intl?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Belfast Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Belfast Intl with no change fees?

Need flexible booking options for your flight to Belfast Intl from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Ontario today and book when prices fit your budget.

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