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Cheap flights from Ontario to Belfast Intl Airport from £176

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
6 Jun — 13 Jun1
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 7 May 2026.

Tue 9/621:55
YYZ
-
BFS
1 stop13h 25m
Multiple Airlines
Wed 17/615:40
BFS
-
YYZ
3 stops47h 20m
Multiple Airlines
Deal found 4/5£397
Tue 2/606:45
YUL
-
BFS
2 stops28h 35m
Multiple Airlines
Mon 15/621:55
BFS
-
YUL
3 stops31h 30m
Multiple Airlines
Deal found 7/5£420
Mon 8/622:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Sun 21/607:10
BFS
-
YYZ
2 stops37h 40m
Multiple Airlines
Deal found 5/5£424
Thu 4/607:35
YYZ
-
BFS
2 stops30h 20m
Multiple Airlines
Thu 11/622:45
BFS
-
YYZ
2 stops22h 05m
Multiple Airlines
Deal found 7/5£437
Fri 5/622:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Tue 16/607:00
BFS
-
YYZ
2 stops13h 50m
Multiple Airlines
Deal found 7/5£439
Fri 5/622:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Thu 18/606:55
BFS
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 7/5£442
Tue 2/619:15
YYZ
-
BFS
1 stop16h 05m
Multiple Airlines
Mon 15/621:35
BFS
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 7/5£443
Fri 5/622:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Fri 12/617:05
BFS
-
YYZ
2 stops27h 45m
Multiple Airlines
Deal found 6/5£444
Sat 6/607:05
YYZ
-
BFS
2 stops30h 50m
Multiple Airlines
Fri 12/619:55
BFS
-
YYZ
2 stops24h 55m
Multiple Airlines
Deal found 6/5£454
Tue 2/619:40
YOW
-
BFS
1 stop31h 00m
Multiple Airlines
Mon 15/608:15
BFS
-
YOW
1 stop33h 25m
Multiple Airlines
Deal found 7/5£464
Tue 19/506:45
YUL
-
BFS
2 stops28h 35m
Multiple Airlines
Mon 25/515:35
BFS
-
YUL
1 stop25h 00m
Multiple Airlines
Deal found 4/5£511
Wed 9/906:55
YOW
-
BFS
2 stops29h 10m
Multiple Airlines
Thu 24/912:45
BFS
-
YOW
3 stops33h 50m
Multiple Airlines
Deal found 6/5£521

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 7 May 2026.

Round-trip from

£397

One-way from

£176

Popular in

July

Cheapest in

February

Average price

£538
9/6-17/6
  • 9/6-17/6
  • 4 total stops
  • 60h 45m total
  • Ontario to Belfast
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 13h 00m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£242 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 7 May 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

Tue 9/6

07:35-15:15

3 stops26h 40m

Belfast Intl

Wed 17/6

15:40-10:00

3 stops47h 20m

£409

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

06:45-16:20

2 stops28h 35m

Belfast Intl

Mon 15/6

21:55-00:25

3 stops31h 30m

£420

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/6

19:15-16:20

1 stop16h 05m

Belfast Intl

Mon 15/6

21:35-11:00

1 stop18h 25m

£443

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

19:15-16:15

1 stop16h 00m

Belfast Intl

Sun 21/6

21:25-11:00

1 stop18h 35m

£463

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 2/6

19:40-07:40

1 stop31h 00m

Belfast Intl

Mon 15/6

08:15-12:40

1 stop33h 25m

£464

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 4/6

22:15-21:45

1 stop18h 30m

Belfast Intl

Thu 11/6

22:45-15:50

2 stops22h 05m

£465
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 5/6

22:15-16:30

1 stop13h 15m

Belfast Intl

Sat 13/6

06:55-14:10

1 stop12h 15m

£466

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 1/6

19:15-12:30

1 stop12h 15m

Belfast Intl

Mon 8/6

09:15-13:20

2 stops33h 05m

£476

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 31/5

23:50-21:30

1 stop16h 40m

Belfast Intl

Sat 13/6

09:30-16:00

1 stop11h 30m

£496

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 28/9

19:15-20:40

1 stop20h 25m

Belfast Intl

Sat 10/10

22:25-11:00

1 stop17h 35m

£510

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 37 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 Ottawa - 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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