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Cheap flights from Ontario to Belfast from £182

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
11 May — 18 May1
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 April 2026.

Wed 3/606:55
YOW
-
BFS
2 stops28h 00m
Multiple Airlines
Wed 10/615:40
BFS
-
YOW
3 stops37h 40m
Multiple Airlines
Deal found 10/4£420
Thu 7/522:05
YUL
-
BFS
1 stop20h 20m
Multiple Airlines
Thu 14/513:00
BFS
-
YUL
1 stop30h 15m
Multiple Airlines
Deal found 9/4£436
Mon 4/519:15
YYZ
-
BFS
1 stop12h 15m
Multiple Airlines
Mon 11/518:05
BFS
-
YYZ
1 stop21h 55m
Multiple Airlines
Deal found 6/4£437
Sun 17/519:15
YYZ
-
BFS
1 stop18h 35m
Multiple Airlines
Sun 24/508:35
BFS
-
YYZ
1 stop31h 25m
Multiple Airlines
Deal found 10/4£440
Sun 7/622:05
YYZ
-
BHD
1 stop8h 50m
Multiple Airlines
Sun 21/620:10
BHD
-
YYZ
3 stops42h 50m
Multiple Airlines
Deal found 6/4£441
Mon 4/519:15
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Fri 8/517:05
BFS
-
YYZ
3 stops33h 40m
Multiple Airlines
Deal found 8/4£448
Thu 7/522:05
YUL
-
BHD
1 stop14h 45m
Multiple Airlines
Thu 14/515:25
BHD
-
YUL
1 stop27h 50m
Multiple Airlines
Deal found 9/4£457
Sun 17/519:15
YYZ
-
BHD
1 stop11h 40m
Multiple Airlines
Sun 24/509:50
BHD
-
YYZ
1 stop30h 10m
Multiple Airlines
Deal found 10/4£458
Fri 22/523:50
YYZ
-
BFS
1 stop16h 10m
Multiple Airlines
Fri 29/522:10
BFS
-
YYZ
1 stop22h 50m
Multiple Airlines
Deal found 7/4£467
Sat 23/522:05
YUL
-
BFS
1 stop28h 40m
Multiple Airlines
Sat 30/506:20
BFS
-
YUL
1 stop12h 55m
Multiple Airlines
Deal found 8/4£469
Wed 3/618:25
YOW
-
BHD
2 stops15h 05m
Multiple Airlines
Wed 10/618:10
BHD
-
YOW
3 stops28h 25m
Multiple Airlines
Deal found 10/4£470
Tue 5/523:50
YYZ
-
BFS
1 stop16h 30m
Multiple Airlines
Tue 12/507:00
BFS
-
YYZ
1 stop14h 00m
Multiple Airlines
Deal found 7/4£474

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 April 2026.

Round-trip from

£420

One-way from

£182

Popular in

July

Cheapest in

April

Average price

£491
3/6-10/6
  • 3/6-10/6
  • 5 total stops
  • 65h 40m total
  • Ontario to Belfast
Search Deals
24/5
  • 24/5
  • 1 total stop
  • 17h 55m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£278 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease (£112 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 11 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

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

22:05-23:25

1 stop20h 20m

Belfast Intl

Thu 14/5

13:00-14:15

1 stop30h 15m

£436

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 4/5

19:15-12:30

1 stop12h 15m

Belfast Intl

Mon 11/5

18:05-11:00

1 stop21h 55m

£437

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 17/5

19:15-18:50

1 stop18h 35m

Belfast Intl

Sun 24/5

08:35-11:00

1 stop31h 25m

£442

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 4/5

19:15-16:15

2 stops16h 00m

Belfast Intl

Fri 8/5

19:20-21:45

3 stops31h 25m

£459

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 22/5

23:50-21:00

1 stop16h 10m

Belfast Intl

Fri 29/5

22:10-16:00

1 stop22h 50m

£467

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

22:05-07:45

1 stop28h 40m

Belfast Intl

Sat 30/5

06:20-14:15

1 stop12h 55m

£469

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 5/5

23:50-21:20

1 stop16h 30m

Belfast Intl

Tue 12/5

07:00-16:00

1 stop14h 00m

£474

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

18:00-22:40

2 stops23h 40m

Belfast Intl

Fri 12/6

06:05-14:15

1 stop13h 10m

£480

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 8/5

19:15-21:50

1 stop21h 35m

Belfast Intl

Fri 15/5

12:20-11:00

1 stop27h 40m

£488

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Fri 22/5

06:55-21:50

2 stops33h 55m

Belfast Intl

Fri 29/5

19:20-00:20

3 stops34h 00m

£489

Flights are sorted by cheapest return flights first.

Deals found on 7/4

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 9h 30m. Fly via Delta 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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