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Cheap flights from Ontario to Belfast from £208

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
6 Mar — 13 Mar1
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 4 February 2026.

Thu 19/321:10
YUL
-
BFS
1 stop12h 30m
Multiple Airlines
Thu 26/318:25
BFS
-
YUL
1 stop23h 10m
Multiple Airlines
Deal found 2/2£432
Fri 6/321:35
YYZ
-
BFS
1 stop30h 20m
Multiple Airlines
Sun 15/320:45
BFS
-
YYZ
1 stop23h 15m
Multiple Airlines
Deal found 3/2£452
Wed 18/322:35
YYZ
-
BFS
1 stop15h 20m
Multiple Airlines
Wed 25/318:25
BFS
-
YYZ
1 stop25h 35m
Multiple Airlines
Deal found 1/2£468
Fri 6/321:35
YYZ
-
BHD
1 stop11h 00m
Multiple Airlines
Sun 15/307:25
BHD
-
YYZ
1 stop12h 35m
Multiple Airlines
Deal found 3/2£480
Mon 25/522:45
YUL
-
BFS
2 stops19h 35m
Multiple Airlines
Sat 30/521:40
BFS
-
YUL
3 stops32h 00m
Multiple Airlines
Deal found 3/2£513
Fri 17/420:25
YYZ
-
BFS
1 stop18h 25m
Multiple Airlines
Fri 24/419:20
BFS
-
YYZ
1 stop23h 10m
Multiple Airlines
Deal found 2/2£520
Tue 24/219:15
YYZ
-
BFS
1 stop10h 05m
Multiple Airlines
Wed 25/315:45
BFS
-
YYZ
2 stops26h 30m
Multiple Airlines
Deal found 2/2£541
Fri 17/420:45
YYZ
-
BHD
2 stops18h 45m
Multiple Airlines
Fri 24/407:00
BHD
-
YYZ
2 stops20h 05m
Multiple Airlines
Deal found 2/2£541
Mon 23/221:35
YYZ
-
BFS
1 stop15h 20m
Multiple Airlines
Thu 26/306:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Deal found 2/2£549
Mon 23/221:35
YYZ
-
BHD
1 stop17h 55m
Multiple Airlines
Thu 26/307:25
BHD
-
YYZ
1 stop12h 35m
Multiple Airlines
Deal found 2/2£550
Wed 15/422:35
YYZ
-
BHD
1 stop15h 55m
Multiple Airlines
Sun 26/407:00
BHD
-
YYZ
1 stop14h 00m
Multiple Airlines
Deal found 2/2£552
Sun 22/221:35
YYZ
-
BFS
1 stop17h 35m
Multiple Airlines
Thu 26/306:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Deal found 2/2£553

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 4 February 2026.

Round-trip from

£432

One-way from

£208

Popular in

July

Cheapest in

October

Average price

£625
19/3-26/3
  • 19/3-26/3
  • 2 total stops
  • 35h 40m total
  • Ontario to Belfast
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 55h 40m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£249 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 4 February 2026.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

Fly from

Ontario

Fly to

Belfast

Route

Depart

Return

Price

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

21:10-13:40

1 stop12h 30m

Belfast Intl

Thu 26/3

18:25-13:35

1 stop23h 10m

£432

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 6/3

21:35-08:55

1 stop30h 20m

Belfast Intl

Sun 15/3

20:45-16:00

1 stop23h 15m

£452

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 18/3

22:35-17:55

1 stop15h 20m

Belfast Intl

Wed 25/3

18:25-16:00

1 stop25h 35m

£468

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 6/3

21:35-13:35

1 stop11h 00m

Belfast City

Sun 15/3

07:25-16:00

1 stop12h 35m

£480

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

22:45-23:20

2 stops19h 35m

Belfast Intl

Sat 30/5

21:40-00:40

3 stops32h 00m

£513

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 17/4

20:25-19:50

1 stop18h 25m

Belfast Intl

Fri 24/4

19:20-13:30

1 stop23h 10m

£520

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 24/2

19:15-10:20

1 stop10h 05m

Belfast Intl

Wed 25/3

15:45-14:15

2 stops26h 30m

£541

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 23/2

21:35-17:55

1 stop15h 20m

Belfast Intl

Thu 26/3

06:30-16:00

1 stop13h 30m

£549

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 24/2

21:35-13:35

1 stop11h 00m

Belfast City

Thu 26/3

07:25-16:00

1 stop12h 35m

£550

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 25/2

21:35-13:45

1 stop11h 10m

Belfast Intl

Thu 26/3

06:30-16:00

1 stop13h 30m

£553

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 45 results
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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 17h 30m. 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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