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Cheap flights from Belfast to Ontario from £283

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
22 May — 29 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Ontario
Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2026.

Mon 1/621:55
BFS
-
YUL
3 stops25h 25m
Multiple Airlines
Mon 8/606:45
YUL
-
BFS
3 stops36h 20m
Multiple Airlines
Deal found 17/4£437
Sat 16/506:30
BFS
-
YYZ
2 stops13h 25m
Multiple Airlines
Sat 23/522:15
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Deal found 18/4£497
Thu 4/620:10
BFS
-
YUL
1 stop23h 05m
Multiple Airlines
Thu 11/622:05
YUL
-
BFS
1 stop29h 55m
Multiple Airlines
Deal found 20/4£524
Sat 6/609:30
BFS
-
YYZ
2 stops32h 50m
Multiple Airlines
Sat 13/622:15
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Deal found 22/4£526
Fri 5/620:15
BFS
-
YYZ
3 stops30h 30m
Multiple Airlines
Fri 12/616:15
YYZ
-
BFS
3 stops24h 00m
Multiple Airlines
Deal found 21/4£537
Fri 31/707:20
BFS
-
YYZ
2 stops35h 40m
Multiple Airlines
Thu 27/822:15
YYZ
-
BFS
1 stop15h 40m
Multiple Airlines
Deal found 19/4£583
Mon 11/508:45
BHD
-
YUL
2 stops20h 52m
Multiple Airlines
Tue 19/522:05
YUL
-
BHD
1 stop10h 35m
Multiple Airlines
Deal found 20/4£588
Sat 16/518:55
BHD
-
YYZ
1 stop21h 05m
Multiple Airlines
Sat 23/519:15
YYZ
-
BHD
1 stop14h 40m
Multiple Airlines
Deal found 18/4£604
Wed 6/511:40
BHD
-
YYZ
2 stops30h 40m
Multiple Airlines
Wed 13/519:15
YYZ
-
BHD
1 stop14h 15m
Multiple Airlines
Deal found 19/4£622
Mon 25/507:00
BHD
-
YUL
2 stops32h 02m
Multiple Airlines
Mon 1/606:45
YUL
-
BHD
2 stops25h 35m
Multiple Airlines
Deal found 20/4£625
Mon 11/508:45
BHD
-
YUL
2 stops20h 52m
Multiple Airlines
Mon 18/520:35
YUL
-
BHD
2 stops18h 55m
Multiple Airlines
Deal found 20/4£628
Sat 16/506:20
BFS
-
YTZ
2 stops34h 40m
Multiple Airlines
Sat 23/508:25
YTZ
-
BFS
2 stops33h 15m
Multiple Airlines
Deal found 18/4£633

Find flight deals from Belfast to Ontario

Keep the following information in mind while searching for Belfast to Ontario flight deals. Data was last updated 22 April 2026.

Round-trip from

£437

One-way from

£283
1/6-8/6
  • 1/6-8/6
  • 6 total stops
  • 61h 45m total
  • Belfast to Ontario
Search Deals
30/5
  • 30/5
  • 3 total stops
  • 46h 20m total
  • Belfast to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Ontario 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 22 April 2026.
Use the filters below to find and compare flights from Belfast to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 16/5

06:30-14:55

2 stops13h 25m

Toronto Pearson Intl

Sat 23/5

22:15-08:50

1 stop29h 35m

£497

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Thu 4/6

20:10-14:15

1 stop23h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

22:05-09:00

1 stop29h 55m

£524

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 1/6

06:40-18:20

2 stops16h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

06:45-00:05

3 stops36h 20m

£526

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 6/6

09:30-13:20

2 stops32h 50m

Toronto Pearson Intl

Sat 13/6

22:15-08:50

1 stop29h 35m

£526

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 5/6

20:15-21:45

3 stops30h 30m

Toronto Pearson Intl

Fri 12/6

16:15-21:15

3 stops24h 00m

£537

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Mon 11/5

08:45-00:37

2 stops20h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

20:35-20:30

2 stops18h 55m

£628

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Sat 16/5

06:20-12:00

2 stops34h 40m

Toronto Island

Sat 23/5

08:25-22:40

2 stops33h 15m

£633

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 31/7

17:05-10:00

3 stops45h 55m

Toronto Pearson Intl

Thu 27/8

22:15-18:55

1 stop15h 40m

£643

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 11/6

06:30-20:15

1 stop18h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

22:00-12:55

1 stop9h 55m

£650

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

20:35-20:15

1 stop28h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

22:00-19:40

1 stop16h 40m

£659

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast 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 Belfast to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 22 April 2026.
See what other customers who have flown with British Airways from Belfast to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,905 reviews
Check prices

Comfort

6.8

Overall

6.7

Crew

7.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,905 reviews
British Airways
6.7
Okay
7,905 reviews
Check prices

Comfort

6.8

Overall

6.7

Crew

7.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Ontario. 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 Belfast to Region of Ontario?

    Airlines like British Airways, Delta, and KLM fly from Belfast to Region of Ontario in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 3h 40m. Airlines will cover a distance of 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular route from Belfast to Region of Ontario is Belfast Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Belfast Intl - Toronto Pearson Intl or Belfast City - Montreal Pierre Elliott Trudeau Intl.

  • Can I find deals for flights from Belfast to Ontario that include hotel bookings?

    Yes. In addition to deals on Belfast to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Ontario.

  • Can I find deals for business class flights from Belfast to Ontario?

    Yes. Cheapflights offers flight deals from Belfast to Ontario 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast to Ontario

Discover the top airline that operate flights from Belfast to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£410Average£513FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Belfast today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Belfast 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 Belfast to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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