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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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
3 May — 10 May1
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 3 April 2026.

Mon 18/521:35
YYZ
-
BFS
2 stops20h 45m
Multiple Airlines
Wed 3/615:40
BFS
-
YYZ
3 stops30h 35m
Multiple Airlines
Deal found 31/3£401
Mon 25/521:35
YYZ
-
BFS
2 stops13h 40m
Multiple Airlines
Wed 10/615:40
BFS
-
YYZ
3 stops35h 05m
Multiple Airlines
Deal found 2/4£410
Sun 31/516:15
YYZ
-
BFS
3 stops24h 15m
Multiple Airlines
Wed 10/620:15
BFS
-
YYZ
2 stops24h 35m
Multiple Airlines
Deal found 2/4£438
Mon 1/621:35
YYZ
-
BFS
2 stops20h 45m
Multiple Airlines
Wed 10/620:15
BFS
-
YYZ
2 stops24h 35m
Multiple Airlines
Deal found 2/4£438
Fri 29/522:15
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Fri 12/617:05
BFS
-
YYZ
2 stops25h 55m
Multiple Airlines
Deal found 2/4£444
Wed 13/519:15
YYZ
-
BFS
1 stop16h 50m
Multiple Airlines
Wed 27/517:40
BFS
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 2/4£444
Mon 15/621:35
YYZ
-
BFS
2 stops20h 45m
Multiple Airlines
Sun 21/622:10
BFS
-
YYZ
2 stops22h 40m
Multiple Airlines
Deal found 31/3£451
Mon 1/623:50
YYZ
-
BFS
1 stop26h 40m
Multiple Airlines
Thu 11/621:35
BFS
-
YYZ
1 stop23h 25m
Multiple Airlines
Deal found 2/4£457
Mon 11/520:35
YUL
-
BFS
2 stops18h 40m
Multiple Airlines
Mon 25/506:10
BFS
-
YUL
2 stops16h 10m
Multiple Airlines
Deal found 31/3£468
Sun 10/523:00
YUL
-
BFS
1 stop14h 25m
Multiple Airlines
Thu 28/512:45
BFS
-
YUL
2 stops37h 15m
Multiple Airlines
Deal found 31/3£490
Sun 10/523:00
YUL
-
BFS
1 stop14h 25m
Multiple Airlines
Mon 25/514:40
BFS
-
YUL
1 stop25h 55m
Multiple Airlines
Deal found 31/3£494
Sun 10/523:00
YUL
-
BFS
1 stop14h 25m
Multiple Airlines
Fri 22/511:25
BFS
-
YUL
1 stop29h 10m
Multiple Airlines
Deal found 31/3£513

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 3 April 2026.

Round-trip from

£401

One-way from

£202

Popular in

July

Cheapest in

February

Average price

£724
18/5-3/6
  • 18/5-3/6
  • 5 total stops
  • 51h 20m total
  • Ontario to Belfast
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 12h 50m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£256 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£114 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 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 18/5

19:15-12:30

1 stop12h 15m

Belfast Intl

Wed 3/6

15:40-17:15

3 stops30h 35m

£413

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 15/6

19:15-16:15

1 stop16h 00m

Belfast Intl

Sun 21/6

21:25-11:00

1 stop18h 35m

£443

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 13/5

19:15-17:05

1 stop16h 50m

Belfast Intl

Wed 27/5

17:40-11:00

1 stop22h 20m

£444

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 31/5

23:50-21:50

1 stop17h 00m

Belfast Intl

Thu 11/6

21:35-16:00

1 stop23h 25m

£459

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 25/5

22:15-08:05

1 stop28h 50m

Belfast Intl

Wed 10/6

15:40-15:50

2 stops29h 10m

£473

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 17/5

19:15-17:35

1 stop17h 20m

Belfast Intl

Sun 24/5

21:25-11:00

1 stop18h 35m

£485

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 4/5

19:15-16:15

1 stop16h 00m

Belfast Intl

Mon 11/5

10:05-17:10

1 stop12h 05m

£492
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 23/6

23:50-15:15

1 stop10h 25m

Belfast Intl

Mon 6/7

08:40-16:00

1 stop12h 20m

£492

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 4/9

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 18/9

21:05-11:00

1 stop18h 55m

£513

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

07:00-23:20

3 stops35h 20m

Belfast Intl

Tue 5/5

08:50-18:20

3 stops38h 30m

£586

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 41 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, 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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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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