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Cheap flights from Ontario to Belfast Intl Airport from £202

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
21 Feb — 28 Feb1
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 22 January 2026.

Tue 17/221:35
YYZ
-
BFS
1 stop19h 15m
Multiple Airlines
Tue 24/208:35
BFS
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 20/1£436
Fri 17/422:35
YYZ
-
BFS
1 stop29h 50m
Multiple Airlines
Sun 26/420:50
BFS
-
YYZ
1 stop24h 10m
Multiple Airlines
Deal found 20/1£456
Sat 7/319:15
YYZ
-
BFS
1 stop9h 55m
Multiple Airlines
Sat 14/321:05
BFS
-
YYZ
1 stop19h 35m
Multiple Airlines
Deal found 21/1£478
Fri 6/321:40
YUL
-
BFS
2 stops21h 10m
Multiple Airlines
Fri 13/318:00
BFS
-
YUL
3 stops34h 38m
Multiple Airlines
Deal found 20/1£482
Sun 12/422:00
YYZ
-
BFS
2 stops18h 30m
Multiple Airlines
Tue 21/405:55
BFS
-
YYZ
2 stops13h 20m
Multiple Airlines
Deal found 20/1£484
Wed 11/221:35
YYZ
-
BFS
1 stop11h 10m
Multiple Airlines
Wed 18/206:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Deal found 21/1£508
Tue 27/121:35
YYZ
-
BFS
1 stop15h 20m
Multiple Airlines
Tue 3/206:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Deal found 21/1£508
Tue 17/218:30
YTZ
-
BFS
2 stops14h 55m
Multiple Airlines
Tue 24/217:30
BFS
-
YTZ
3 stops31h 25m
Multiple Airlines
Deal found 19/1£549
Wed 19/819:25
YUL
-
BFS
2 stops21h 20m
Multiple Airlines
Mon 24/808:40
BFS
-
YUL
2 stops31h 00m
Multiple Airlines
Deal found 20/1£664

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 22 January 2026.

Round-trip from

£436

One-way from

£202

Popular in

July

Cheapest in

October
17/2-24/2
  • 17/2-24/2
  • 2 total stops
  • 30h 40m total
  • Ontario to Belfast
Search Deals
30/3
  • 30/3
  • 2 total stops
  • 35h 10m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£258 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£103 potential savings vs. average return price).
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 22 January 2026.
Use the filters below to find and compare flights from Ontario to Belfast Intl Airport that are best for you.

Fly from

Ontario

Fly to

Belfast Intl

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 1/3

21:35-20:10

1 stop17h 35m

Belfast Intl

Sun 8/3

20:45-16:00

1 stop23h 15m

£436

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 17/2

21:35-21:50

1 stop19h 15m

Belfast Intl

Tue 24/2

08:35-15:00

1 stop11h 25m

£436

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 17/4

22:35-09:25

1 stop29h 50m

Belfast Intl

Sun 26/4

20:50-16:00

1 stop24h 10m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 7/3

19:15-10:10

1 stop9h 55m

Belfast Intl

Sat 14/3

21:05-12:40

1 stop19h 35m

£478

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

21:40-23:50

2 stops21h 10m

Belfast Intl

Fri 13/3

18:00-00:38

3 stops34h 38m

£482

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 12/4

22:00-21:30

2 stops18h 30m

Belfast Intl

Tue 21/4

05:55-14:15

2 stops13h 20m

£484

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 11/2

21:35-13:45

1 stop11h 10m

Belfast Intl

Wed 18/2

06:30-15:00

1 stop13h 30m

£508

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Tue 17/2

18:30-14:25

2 stops14h 55m

Belfast Intl

Tue 24/2

17:30-19:55

3 stops31h 25m

£549

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 30/3

07:10-23:20

2 stops35h 10m

£202

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 31/3

07:10-23:20

2 stops35h 10m

£203

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 20 results
1
2

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, Toronto Island - Belfast Intl or Montreal Pierre Elliott Trudeau Intl - 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
Cookstown
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?

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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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