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Cheap flights from Ontario to Belfast from £124

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
25 Jun — 2 Jul1
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 26 May 2026.

Mon 6/718:15
YYZ
-
BFS
2 stops12h 00m
Multiple Airlines
Mon 13/708:00
BFS
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 24/5£381
Mon 8/619:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Tue 23/622:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 23/5£388
Fri 17/722:15
YYZ
-
BFS
1 stop17h 30m
Multiple Airlines
Fri 31/707:20
BFS
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 24/5£393
Thu 13/822:15
YYZ
-
BFS
1 stop18h 30m
Multiple Airlines
Thu 27/808:20
BFS
-
YYZ
1 stop10h 50m
Multiple Airlines
Deal found 23/5£406
Sun 7/619:15
YYZ
-
BHD
1 stop11h 40m
Multiple Airlines
Fri 12/615:00
BHD
-
YYZ
1 stop25h 00m
Multiple Airlines
Deal found 20/5£414
Mon 6/719:15
YYZ
-
BFS
1 stop22h 00m
Multiple Airlines
Tue 21/722:45
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 25/5£418
Thu 2/718:15
YYZ
-
BFS
2 stops19h 40m
Multiple Airlines
Tue 14/705:55
BFS
-
YYZ
2 stops16h 20m
Multiple Airlines
Deal found 24/5£424
Mon 1/621:35
YYZ
-
BFS
2 stops20h 30m
Multiple Airlines
Mon 8/621:55
BFS
-
YYZ
2 stops22h 55m
Multiple Airlines
Deal found 24/5£431
Mon 8/622:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Tue 23/617:20
BHD
-
YYZ
2 stops26h 05m
Multiple Airlines
Deal found 23/5£434
Mon 22/622:10
YYZ
-
BFS
2 stops31h 55m
Multiple Airlines
Mon 29/606:30
BFS
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 23/5£441
Mon 6/722:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Tue 21/718:35
BHD
-
YYZ
1 stop24h 35m
Multiple Airlines
Deal found 25/5£450
Wed 15/722:10
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Sun 19/710:15
BHD
-
YYZ
1 stop33h 30m
Multiple Airlines
Deal found 22/5£452

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 26 May 2026.

Round-trip from

£381

One-way from

£124
6/7-13/7
  • 6/7-13/7
  • 3 total stops
  • 23h 10m total
  • Ontario to Belfast
Search Deals
9/6
  • 9/6
  • 1 total stop
  • 14h 55m 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 26 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

Mon 6/7

19:15-13:20

1 stop13h 05m

Belfast Intl

Mon 13/7

13:55-11:00

1 stop26h 05m

£401

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 6/7

19:15-22:15

1 stop22h 00m

Belfast Intl

Tue 21/7

22:45-11:00

1 stop17h 15m

£418

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 15/7

19:15-12:05

1 stop11h 50m

Belfast Intl

Sun 19/7

08:35-11:00

1 stop31h 25m

£451

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 17/7

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 31/7

13:50-11:00

1 stop26h 10m

£460

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

06:45-20:40

2 stops32h 55m

Belfast Intl

Sun 21/6

07:10-11:35

2 stops33h 25m

£471

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 28/6

21:35-21:30

2 stops18h 55m

Belfast Intl

Sat 4/7

06:55-14:10

1 stop12h 15m

£482

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 20/10

23:50-07:40

1 stop26h 50m

Belfast Intl

Tue 3/11

20:55-11:50

1 stop19h 55m

£499

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 23/9

19:15-17:05

1 stop16h 50m

Belfast Intl

Sun 27/9

19:35-21:45

3 stops31h 10m

£507

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 28/6

21:35-21:30

2 stops18h 55m

Belfast Intl

Sun 12/7

19:35-13:40

2 stops23h 05m

£519

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 22/6

22:10-01:50

2 stops22h 40m

Belfast Intl

Mon 29/6

10:30-13:05

2 stops31h 35m

£523

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 60 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 12h 40m. Fly via British Airways or Aer Lingus 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 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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