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Cheap flights from Ontario to Belfast from £152

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 — BHD
15 Jun — 22 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 16 May 2026.

Tue 9/622:15
YYZ
-
BFS
1 stop16h 35m
Multiple Airlines
Tue 16/607:35
BFS
-
YYZ
2 stops34h 45m
Multiple Airlines
Deal found 14/5£325
Tue 2/622:15
YYZ
-
BFS
1 stop19h 30m
Multiple Airlines
Tue 16/616:40
BFS
-
YYZ
2 stops25h 40m
Multiple Airlines
Deal found 13/5£346
Mon 1/622:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Mon 15/621:55
BFS
-
YYZ
2 stops44h 25m
Multiple Airlines
Deal found 14/5£351
Wed 10/622:15
YYZ
-
BFS
2 stops17h 45m
Multiple Airlines
Wed 17/615:40
BFS
-
YYZ
3 stops35h 05m
Multiple Airlines
Deal found 12/5£383
Thu 11/622:15
YYZ
-
BFS
1 stop29h 50m
Multiple Airlines
Thu 18/622:45
BFS
-
YYZ
2 stops45h 10m
Multiple Airlines
Deal found 14/5£393
Tue 9/606:55
YOW
-
BFS
2 stops28h 25m
Multiple Airlines
Tue 16/616:40
BFS
-
YOW
3 stops29h 55m
Multiple Airlines
Deal found 16/5£420
Wed 10/622:15
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Wed 17/618:20
BHD
-
YYZ
3 stops44h 40m
Multiple Airlines
Deal found 12/5£420
Sat 6/623:50
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Sat 13/617:10
BHD
-
YYZ
1 stop27h 50m
Multiple Airlines
Deal found 12/5£460
Fri 5/622:15
YYZ
-
BHD
1 stop17h 35m
Multiple Airlines
Thu 18/606:55
BHD
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 13/5£462
Mon 8/622:15
YYZ
-
BHD
1 stop13h 15m
Multiple Airlines
Sun 21/610:10
BHD
-
YYZ
2 stops29h 50m
Multiple Airlines
Deal found 16/5£471
Tue 2/619:40
YOW
-
BFS
1 stop31h 00m
Multiple Airlines
Tue 16/606:15
BFS
-
YOW
1 stop11h 25m
Multiple Airlines
Deal found 16/5£482
Fri 12/606:45
YUL
-
BFS
2 stops28h 45m
Multiple Airlines
Thu 18/612:45
BFS
-
YUL
3 stops40h 40m
Multiple Airlines
Deal found 16/5£482

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 16 May 2026.

Round-trip from

£325

One-way from

£152
9/6-16/6
  • 9/6-16/6
  • 3 total stops
  • 51h 20m total
  • Ontario to Belfast
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 11h 45m total
  • Ontario to Belfast
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 16 May 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

Tue 9/6

22:15-19:50

1 stop16h 35m

Belfast Intl

Tue 16/6

07:35-13:20

2 stops34h 45m

£325

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/6

19:15-16:20

1 stop16h 05m

Belfast Intl

Tue 16/6

16:45-11:00

1 stop23h 15m

£395

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 1/6

07:35-20:40

2 stops32h 05m

Belfast Intl

Mon 15/6

21:25-15:00

2 stops22h 35m

£412

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 10/6

22:15-15:00

1 stop11h 45m

Belfast City

Wed 17/6

18:20-10:00

3 stops44h 40m

£420

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 10/6

22:15-15:00

1 stop11h 45m

Belfast Intl

Wed 17/6

06:05-15:50

2 stops14h 45m

£435

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 29/9

19:15-19:40

1 stop19h 25m

Belfast Intl

Wed 14/10

14:20-11:00

1 stop25h 40m

£435

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 5/6

22:15-20:50

1 stop17h 35m

Belfast City

Thu 18/6

06:55-15:50

2 stops13h 55m

£462

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 2/6

19:40-07:40

1 stop31h 00m

Belfast Intl

Tue 16/6

06:15-12:40

1 stop11h 25m

£482

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 9/6

19:40-07:40

1 stop31h 00m

Belfast Intl

Tue 16/6

06:15-12:40

1 stop11h 25m

£482

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

06:45-16:30

2 stops28h 45m

Belfast Intl

Thu 18/6

12:45-00:25

3 stops40h 40m

£482

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 42 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 45m. Fly via British Airways or KLM to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi. This flight may include one or multiple stops.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Toronto Pearson Intl - Belfast City, 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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