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Cheap flights from Belfast Intl Airport to Ontario from £256

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Mon 17/808:40
BFS
-
YYZ
2 stops33h 40m
Multiple Airlines
Mon 31/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 6/6£352
Thu 9/706:40
BFS
-
YYZ
1 stop12h 30m
Multiple Airlines
Sun 26/722:15
YYZ
-
BFS
1 stop28h 50m
Multiple Airlines
Deal found 10/6£427
Sun 28/622:10
BFS
-
YYZ
2 stops20h 10m
Multiple Airlines
Wed 8/722:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Deal found 7/6£455
Thu 13/808:20
BFS
-
YYZ
1 stop10h 50m
Multiple Airlines
Thu 27/807:35
YYZ
-
BFS
2 stops33h 10m
Multiple Airlines
Deal found 10/6£461
Fri 4/918:35
BFS
-
YUL
1 stop22h 00m
Multiple Airlines
Sun 13/921:30
YUL
-
BFS
1 stop12h 30m
Multiple Airlines
Deal found 8/6£468
Mon 8/608:40
BFS
-
YYZ
2 stops33h 40m
Multiple Airlines
Mon 15/622:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 6/6£474
Thu 9/708:20
BFS
-
YTZ
2 stops15h 26m
Multiple Airlines
Sun 26/712:30
YTZ
-
BFS
2 stops29h 20m
Multiple Airlines
Deal found 9/6£494
Mon 17/808:00
BFS
-
YTZ
2 stops15h 42m
Multiple Airlines
Mon 31/817:30
YTZ
-
BFS
2 stops12h 45m
Multiple Airlines
Deal found 6/6£513
Sun 28/606:45
BFS
-
YTZ
2 stops16h 57m
Multiple Airlines
Wed 8/716:30
YTZ
-
BFS
2 stops25h 45m
Multiple Airlines
Deal found 7/6£518
Sat 4/706:20
BFS
-
YUL
1 stop14h 55m
Multiple Airlines
Sat 11/722:10
YUL
-
BFS
1 stop20h 15m
Multiple Airlines
Deal found 6/6£554

Find flight deals from Belfast Intl to Ontario

Keep the following information in mind while searching for Belfast Intl to Ontario flight deals. Data was last updated 11 June 2026.

Round-trip from

£352

One-way from

£256
17/8-31/8
  • 17/8-31/8
  • 3 total stops
  • 53h 30m total
  • Belfast to Ontario
Search Deals
8/7
  • 8/7
  • 2 total stops
  • 45h 10m total
  • Belfast to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Ontario 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 11 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 17/8

21:55-13:20

2 stops20h 25m

Toronto Pearson Intl

Mon 31/8

22:15-23:20

2 stops20h 05m

£401

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 9/7

06:40-14:10

1 stop12h 30m

Toronto Pearson Intl

Sun 26/7

22:15-08:05

1 stop28h 50m

£430

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 28/6

22:10-13:20

2 stops20h 10m

Toronto Pearson Intl

Wed 8/7

22:15-19:15

1 stop16h 00m

£455

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Fri 4/9

18:35-11:35

1 stop22h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

21:30-15:00

1 stop12h 30m

£468

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 1/7

05:55-14:10

1 stop13h 15m

Toronto Pearson Intl

Tue 7/7

21:55-22:15

1 stop19h 20m

£486

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 9/7

08:20-18:46

2 stops15h 26m

Toronto Island

Sun 26/7

12:30-22:50

2 stops29h 20m

£494
Fastest return journey

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 17/8

08:00-18:42

2 stops15h 42m

Toronto Island

Mon 31/8

17:30-11:15

2 stops12h 45m

£513

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Sun 28/6

06:45-18:42

2 stops16h 57m

Toronto Island

Wed 8/7

16:30-23:15

2 stops25h 45m

£518

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sat 4/7

06:20-16:15

1 stop14h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

22:10-23:25

1 stop20h 15m

£554
Cheapest one-way

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 8/7

22:45-14:55

2 stops45h 10m

£256

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast Intl 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 Belfast Intl Airport to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 11 June 2026.
Check out reviews from past customers who have flown with British Airways from Belfast Intl Airport to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,035 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

7.7

Comfort

6.8

Overall

6.7

Boarding

6.9

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
8,035 reviews
British Airways
6.7
Okay
8,035 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

7.7

Comfort

6.8

Overall

6.7

Boarding

6.9

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Ontario. 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 Belfast Intl Airport to Region of Ontario?

    The most popular route from Belfast Intl Airport to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Toronto Island.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl to Ontario 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast Intl to Ontario

Discover the top airline that operate flights from Belfast Intl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£507Average£553FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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