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Cheap flights from Ontario to Belfast from £172

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
10 Aug — 17 Aug1
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 11 July 2026.

Mon 31/819:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Sun 13/908:35
BFS
-
YYZ
1 stop31h 25m
Multiple Airlines
Deal found 7/7£369
Tue 8/919:15
YYZ
-
BFS
1 stop19h 25m
Multiple Airlines
Tue 15/921:15
BFS
-
YYZ
1 stop18h 45m
Multiple Airlines
Deal found 7/7£380
Thu 6/823:55
YYZ
-
BFS
2 stops14h 35m
Multiple Airlines
Tue 25/823:30
BFS
-
YYZ
3 stops39h 30m
Multiple Airlines
Deal found 11/7£395
Mon 24/822:15
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Mon 31/814:40
BFS
-
YYZ
2 stops27h 40m
Multiple Airlines
Deal found 7/7£405
Mon 12/1019:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Mon 19/1016:50
BFS
-
YYZ
1 stop23h 10m
Multiple Airlines
Deal found 7/7£417
Sun 6/922:05
YUL
-
BFS
1 stop17h 10m
Multiple Airlines
Mon 14/906:10
BFS
-
YUL
2 stops18h 20m
Multiple Airlines
Deal found 8/7£428
Sun 6/919:40
YOW
-
BFS
1 stop19h 35m
Multiple Airlines
Sat 12/909:40
BFS
-
YOW
1 stop32h 00m
Multiple Airlines
Deal found 10/7£436
Mon 24/819:15
YYZ
-
BHD
1 stop12h 00m
Multiple Airlines
Mon 31/812:25
BHD
-
YYZ
1 stop27h 35m
Multiple Airlines
Deal found 7/7£437
Tue 21/721:55
YYZ
-
BFS
1 stop19h 20m
Multiple Airlines
Tue 4/805:55
BFS
-
YYZ
2 stops33h 05m
Multiple Airlines
Deal found 9/7£441
Mon 20/718:15
YYZ
-
BFS
2 stops23h 50m
Multiple Airlines
Mon 10/806:30
BFS
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 8/7£445
Sun 6/919:40
YOW
-
BHD
1 stop19h 50m
Multiple Airlines
Sat 12/914:20
BHD
-
YOW
1 stop27h 20m
Multiple Airlines
Deal found 10/7£445
Sun 6/922:05
YUL
-
BHD
1 stop17h 25m
Multiple Airlines
Mon 14/907:00
BHD
-
YUL
1 stop12h 15m
Multiple Airlines
Deal found 8/7£454

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 11 July 2026.

Round-trip from

£369

One-way from

£172
31/8-13/9
  • 31/8-13/9
  • 2 total stops
  • 47h 25m total
  • Ontario to Belfast
Search Deals
9/8
  • 9/8
  • 3 total stops
  • 32h 50m 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 11 July 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 8/9

19:15-19:40

1 stop19h 25m

Belfast Intl

Tue 15/9

21:15-11:00

1 stop18h 45m

£380

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 12/10

19:15-16:15

1 stop16h 00m

Belfast Intl

Mon 19/10

16:50-11:00

1 stop23h 10m

£417

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

22:05-20:15

1 stop17h 10m

Belfast Intl

Mon 14/9

06:10-19:30

2 stops18h 20m

£428

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Sun 6/9

19:40-20:15

1 stop19h 35m

Belfast Intl

Sat 12/9

09:40-12:40

1 stop32h 00m

£436

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Sun 6/9

19:40-20:30

1 stop19h 50m

Belfast City

Sat 12/9

14:20-12:40

1 stop27h 20m

£445

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 4/9

19:15-21:50

1 stop21h 35m

Belfast Intl

Mon 7/9

21:35-11:00

1 stop18h 25m

£465

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 6/8

07:35-13:35

2 stops25h 00m

Belfast Intl

Tue 25/8

23:30-10:00

3 stops39h 30m

£468

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 14/10

22:15-17:30

1 stop14h 15m

Belfast Intl

Thu 15/10

20:40-21:05

3 stops29h 25m

£475

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 21/7

07:35-19:50

3 stops31h 15m

Belfast Intl

Tue 4/8

22:45-13:40

1 stop19h 55m

£493

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 10/8

19:15-07:05

1 stop30h 50m

Belfast Intl

Mon 17/8

20:35-15:00

2 stops23h 25m

£501

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 53 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 16h 25m. Fly via Aer Lingus or British Airways to get the fastest option. Region of Ontario and Belfast are separated by a distance of 3254 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 Ottawa - 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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