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Cheap flights from Ontario to Belfast from £179

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
25 May — 1 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2026.

Fri 5/622:05
YYZ
-
BFS
1 stop18h 45m
Multiple Airlines
Fri 12/617:05
BFS
-
YYZ
3 stops33h 40m
Multiple Airlines
Deal found 22/4£388
Mon 25/521:35
YYZ
-
BFS
2 stops20h 45m
Multiple Airlines
Tue 9/620:15
BFS
-
YYZ
2 stops24h 35m
Multiple Airlines
Deal found 24/4£432
Wed 20/519:15
YYZ
-
BHD
1 stop14h 15m
Multiple Airlines
Wed 27/518:20
BHD
-
YYZ
1 stop21h 40m
Multiple Airlines
Deal found 20/4£453
Mon 8/619:15
YYZ
-
BFS
1 stop12h 15m
Multiple Airlines
Mon 15/621:35
BFS
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 24/4£456
Tue 16/619:15
YYZ
-
BFS
1 stop19h 25m
Multiple Airlines
Tue 23/622:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 20/4£458
Fri 5/619:40
YOW
-
BFS
1 stop32h 45m
Multiple Airlines
Mon 15/620:55
BFS
-
YOW
1 stop20h 45m
Multiple Airlines
Deal found 23/4£476
Mon 8/608:40
YOW
-
BFS
2 stops30h 35m
Multiple Airlines
Mon 15/606:10
BFS
-
YOW
2 stops18h 55m
Multiple Airlines
Deal found 23/4£505
Wed 9/919:15
YYZ
-
BHD
1 stop14h 15m
Multiple Airlines
Wed 23/918:20
BHD
-
YYZ
1 stop21h 40m
Multiple Airlines
Deal found 22/4£518
Tue 9/613:50
YTZ
-
BFS
2 stops19h 10m
Multiple Airlines
Tue 16/607:35
BFS
-
YTZ
3 stops43h 45m
Multiple Airlines
Deal found 25/4£520
Sat 6/606:45
YUL
-
BFS
3 stops31h 10m
Multiple Airlines
Sat 13/606:30
BFS
-
YUL
3 stops22h 55m
Multiple Airlines
Deal found 22/4£526
Fri 5/619:40
YOW
-
BHD
1 stop13h 00m
Multiple Airlines
Mon 15/608:45
BHD
-
YOW
1 stop32h 55m
Multiple Airlines
Deal found 23/4£536
Wed 9/917:45
YUL
-
BFS
2 stops17h 10m
Multiple Airlines
Wed 23/914:20
BFS
-
YUL
3 stops39h 05m
Multiple Airlines
Deal found 22/4£539

Find flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 25 April 2026.

Round-trip from

£388

One-way from

£179

Popular in

July

Cheapest in

February

Average price

£897
5/6-12/6
  • 5/6-12/6
  • 4 total stops
  • 52h 25m total
  • Ontario to Belfast
Search Deals
5/6
  • 5/6
  • 1 total stop
  • 18h 45m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£246 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£108 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 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 25 April 2026.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 5/6

22:05-21:50

1 stop18h 45m

Belfast Intl

Fri 12/6

17:05-14:00

2 stops25h 55m

£421

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 20/5

19:15-14:30

1 stop14h 15m

Belfast City

Wed 27/5

18:20-11:00

1 stop21h 40m

£453
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

19:15-12:30

1 stop12h 15m

Belfast Intl

Mon 15/6

21:35-11:00

1 stop18h 25m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 16/6

19:15-19:40

1 stop19h 25m

Belfast Intl

Tue 23/6

22:45-11:00

1 stop17h 15m

£458

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 6/6

22:15-08:50

1 stop29h 35m

Belfast Intl

Sat 13/6

07:40-15:50

2 stops37h 10m

£471

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Fri 5/6

19:40-09:25

1 stop32h 45m

Belfast Intl

Mon 15/6

20:55-12:40

1 stop20h 45m

£476

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 25/5

22:55-23:05

2 stops19h 10m

Belfast Intl

Tue 9/6

16:40-21:45

3 stops34h 05m

£476

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Mon 8/6

08:40-20:15

2 stops30h 35m

Belfast Intl

Mon 15/6

06:10-20:05

2 stops18h 55m

£505

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 9/9

19:15-15:55

1 stop15h 40m

Belfast Intl

Wed 23/9

17:40-11:00

1 stop22h 20m

£512

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 9/9

19:15-14:30

1 stop14h 15m

Belfast City

Wed 23/9

18:20-11:00

1 stop21h 40m

£518

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 50 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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
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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Belfast?

    There are many flights that can get you from Region of Ontario to Belfast in 15h 10m. Fly via British Airways to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi.

  • What are the most popular routes from Region of Ontario to Belfast?

    While some choose either Toronto Pearson Intl - Belfast City or Montreal Pierre Elliott Trudeau Intl - Belfast Intl, Toronto Pearson Intl - Belfast Intl is the most popular route from Region of Ontario to Belfast.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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

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

Cheapflights makes it easy to find Ontario to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Belfast from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Belfast with no change fees?

Certainly. Search results for flights to Belfast from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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