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Cheap flights from Belfast to Ontario from £279

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Ontario

Enter your travel dates to find the best prices.

Best flights from Belfast to Ontario
Discover carefully curated flight deals from Belfast to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Fri 23/106:30BFS - YYZ
1 stop13h 30mMultiple Airlines
Fri 30/121:35YYZ - BFS
1 stop30h 20mMultiple Airlines
Deal found 11/12£441
Thu 12/206:35BHD - YYZ
1 stop13h 15mBritish Airways
Mon 16/218:05YYZ - BHD
1 stop10h 00mBritish Airways
Deal found 9/12£551
Sat 24/110:35BFS - YYZ
1 stop33h 25mMultiple Airlines
Sat 31/121:35YYZ - BFS
1 stop17h 40mMultiple Airlines
Deal found 10/12£445
Wed 14/107:25BHD - YUL
2 stops18h 30mMultiple Airlines
Sat 24/117:25YUL - BHD
2 stops15h 10mMultiple Airlines
Deal found 10/12£451
Wed 21/112:25BHD - YUL
1 stop11h 20mBritish Airways
Sun 25/120:40YUL - BHD
1 stop12h 15mBritish Airways
Deal found 9/12£565
Wed 28/109:15BHD - YUL
1 stop14h 30mBritish Airways
Sun 1/220:40YUL - BHD
1 stop12h 15mBritish Airways
Deal found 9/12£565
Sun 11/107:25BHD - YUL
2 stops22h 10mMultiple Airlines
Fri 16/110:15YUL - BHD
2 stops29h 15mMultiple Airlines
Deal found 11/12£518
Wed 14/106:00BFS - YUL
1 stop15h 10mMultiple Airlines
Sat 24/113:10YUL - BFS
2 stops19h 55mMultiple Airlines
Deal found 10/12£541
Thu 21/506:35BHD - YYZ
2 stops21h 45mBritish Airways
Mon 25/518:05YYZ - BHD
1 stop9h 45mBritish Airways
Deal found 10/12£600
Sun 25/106:30BFS - YYZ
2 stops18h 15mMultiple Airlines
Sun 1/214:00YYZ - BFS
2 stops19h 00mMultiple Airlines
Deal found 11/12£543
Wed 14/119:25BHD - YUL
1 stop28h 20mBritish Airways
Sat 24/120:30YUL - BHD
1 stop9h 40mBritish Airways
Deal found 10/12£608
Sat 24/122:25BFS - YUL
3 stops26h 50mMultiple Airlines
Sat 31/120:10YUL - BFS
2 stops20h 30mMultiple Airlines
Deal found 10/12£544
Fri 23/107:05BFS - YTZ
3 stops39h 20mMultiple Airlines
Fri 30/114:10YTZ - BFS
3 stops26h 50mMultiple Airlines
Deal found 11/12£558
Sun 25/106:30BFS - YTZ
2 stops20h 05mMultiple Airlines
Sun 1/218:30YTZ - BFS
2 stops14h 30mMultiple Airlines
Deal found 11/12£566
Sat 24/122:25BFS - YTZ
3 stops28h 55mMultiple Airlines
Sat 31/115:15YTZ - BFS
3 stops18h 25mMultiple Airlines
Deal found 10/12£661

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 12 December 2025.

Round-trip from

£441

One-way from

£279

Popular in

August

Cheapest in

January
23/1-30/1
  • 23/1-30/1
  • 2 total stops
  • 43h 50m total
  • Belfast to Ontario
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 37h 15m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
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 12 December 2025.
Use the filters below to find and compare flights from Belfast to Ontario that are best for you.

Fly from

Belfast

Fly to

Ontario

Route

Depart

Return

Price

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 23/1

06:30-15:00

1 stop13h 30m

Toronto Pearson Intl

Fri 30/1

21:35-08:55

1 stop30h 20m

£441

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 24/1

10:35-15:00

1 stop33h 25m

Toronto Pearson Intl

Sat 31/1

21:35-20:15

1 stop17h 40m

£445

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 14/1

07:25-20:55

2 stops18h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

17:25-13:35

2 stops15h 10m

£451

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Sun 11/1

07:25-00:35

2 stops22h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

10:15-20:30

2 stops29h 15m

£518

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Wed 14/1

06:00-16:10

1 stop15h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

13:10-14:05

2 stops19h 55m

£541

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 25/1

06:30-19:45

2 stops18h 15m

Toronto Pearson Intl

Sun 1/2

14:00-14:00

2 stops19h 00m

£543

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sat 24/1

22:25-20:15

3 stops26h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

20:10-21:40

2 stops20h 30m

£544

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 12/2

06:35-14:50

1 stop13h 15m

Toronto Pearson Intl

Mon 16/2

18:05-09:05

1 stop10h 00m

£551

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 23/1

07:05-17:25

3 stops39h 20m

Toronto Island

Fri 30/1

14:10-22:00

3 stops26h 50m

£558

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 21/1

12:25-18:45

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

20:40-13:55

1 stop12h 15m

£565

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 24 results
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2
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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

What is the cheapest time of day to fly from BFS to ON?

Find hourly flight availability from Belfast to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s optimal to fly from Belfast to Region of Ontario in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

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 12 December 2025.
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
7,571 reviews
Check prices

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews
Check prices

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.

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 fly from Belfast to Region of Ontario in about 13h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3254 mi.

  • 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 - Toronto Pearson Intl. You may also consider Belfast City - Toronto Pearson Intl or Belfast Intl - Toronto Island.

  • 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£422Average£553FlexibilityNo 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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