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Cheap flights from Ontario to Belfast Intl Airport from £147

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
30 Jul — 6 Aug1
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 30 June 2026.

Mon 17/822:15
YYZ
-
BFS
1 stop18h 20m
Multiple Airlines
Sun 30/809:35
BFS
-
YYZ
3 stops41h 10m
Multiple Airlines
Deal found 26/6£337
Tue 22/919:15
YYZ
-
BFS
1 stop16h 05m
Multiple Airlines
Tue 29/921:15
BFS
-
YYZ
1 stop18h 45m
Multiple Airlines
Deal found 28/6£410
Sun 13/921:55
YYZ
-
BFS
1 stop11h 40m
Multiple Airlines
Mon 14/920:15
BFS
-
YYZ
3 stops30h 30m
Multiple Airlines
Deal found 25/6£413
Fri 28/822:15
YYZ
-
BFS
1 stop17h 30m
Multiple Airlines
Sun 13/920:20
BFS
-
YYZ
3 stops47h 40m
Multiple Airlines
Deal found 28/6£413
Mon 17/806:55
YOW
-
BFS
3 stops23h 20m
Multiple Airlines
Sun 23/806:45
BFS
-
YOW
3 stops15h 50m
Multiple Airlines
Deal found 26/6£586
Fri 7/818:50
YUL
-
BFS
1 stop14h 35m
Multiple Airlines
Sun 16/818:00
BFS
-
YUL
1 stop22h 35m
Multiple Airlines
Deal found 29/6£608
Wed 12/818:55
YTZ
-
BFS
2 stops20h 45m
Multiple Airlines
Wed 19/806:10
BFS
-
YTZ
2 stops19h 05m
Multiple Airlines
Deal found 27/6£669
Sun 19/706:45
YUL
-
BFS
2 stops30h 40m
Multiple Airlines
Fri 31/707:20
BFS
-
YUL
2 stops17h 10m
Multiple Airlines
Deal found 28/6£704
Wed 1/710:50
YTZ
-
BFS
2 stops24h 25m
Multiple Airlines
Sun 5/722:05
BFS
-
YTZ
2 stops26h 46m
Multiple Airlines
Deal found 29/6£722
Wed 1/706:45
YUL
-
BFS
2 stops28h 30m
Multiple Airlines
Fri 17/707:20
BFS
-
YUL
2 stops22h 05m
Multiple Airlines
Deal found 28/6£752

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 30 June 2026.

Round-trip from

£337

One-way from

£147
17/8-30/8
  • 17/8-30/8
  • 4 total stops
  • 59h 30m total
  • Ontario to Belfast
Search Deals
26/7
  • 26/7
  • 1 total stop
  • 29h 00m 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 30 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

22:15-21:35

1 stop18h 20m

Belfast Intl

Sun 30/8

06:45-14:10

1 stop12h 25m

£373

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

£410
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 21/11

19:55-10:25

1 stop9h 30m

Belfast Intl

Sat 28/11

19:55-11:50

1 stop20h 55m

£468

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 11/8

07:35-15:15

3 stops26h 40m

Belfast Intl

Thu 13/8

06:40-14:10

1 stop12h 30m

£477

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 13/10

22:45-21:05

1 stop17h 20m

Belfast Intl

Thu 29/10

06:30-16:00

1 stop13h 30m

£479

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 13/9

19:15-12:20

2 stops12h 05m

Belfast Intl

Mon 14/9

20:15-15:00

3 stops47h 45m

£488

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Mon 17/8

06:55-11:15

3 stops23h 20m

Belfast Intl

Sun 23/8

06:45-17:35

3 stops15h 50m

£586

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

18:50-14:25

1 stop14h 35m

Belfast Intl

Sun 16/8

18:00-11:35

1 stop22h 35m

£608

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Wed 12/8

18:55-20:40

2 stops20h 45m

Belfast Intl

Wed 19/8

06:10-20:15

2 stops19h 05m

£669

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 22/12

19:35-14:10

1 stop13h 35m

Belfast Intl

Tue 5/1

07:05-12:10

1 stop34h 05m

£693

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 29 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

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

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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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