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Cheap flights from Belfast to Ontario from £274

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 27 November 2025.

Wed 26/1120:50BFS - YYZ
1 stop23h 10mMultiple Airlines
Wed 3/1221:35YYZ - BFS
1 stop11h 10mMultiple Airlines
Deal found 25/11£696
Wed 26/1107:25BHD - YYZ
1 stop12h 35mMultiple Airlines
Wed 3/1221:35YYZ - BHD
1 stop16h 25mMultiple Airlines
Deal found 25/11£700
Wed 26/1112:25BHD - YYZ
1 stop12h 50mBritish Airways
Wed 3/1216:44YYZ - BHD
2 stops16h 31mBritish Airways
Deal found 25/11£779
Wed 26/1106:30BHD - YYZ
2 stops21h 20mDelta
Wed 3/1218:00YYZ - BHD
2 stops17h 50mDelta
Deal found 25/11£850

Cheap flight deals from Belfast to Ontario

Keep the following information in mind while searching for Belfast to Ontario flight deals. Data was last updated 27 November 2025.

Round-trip from

£442

One-way from

£274

Popular in

August

Cheapest in

May
9/1-16/1
  • 9/1-16/1
  • 2 total stops
  • 53h 00m total
  • Belfast to Ontario
Search Deals
7/12
  • 7/12
  • 3 total stops
  • 43h 00m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 11% 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 27 November 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 9/1

21:20-15:00

1 stop22h 40m

Toronto Pearson Intl

Fri 16/1

21:35-08:55

1 stop30h 20m

£442

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 21/1

11:25-20:15

1 stop13h 50m

Toronto Pearson Intl

Sun 25/1

18:05-10:20

1 stop11h 15m

£489

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 21/1

11:25-18:45

1 stop12h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

20:40-13:55

1 stop12h 15m

£506

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 21/1

06:35-15:55

2 stops14h 20m

Toronto Pearson Intl

Sun 25/1

18:05-10:20

1 stop11h 15m

£516

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 21/1

10:10-18:45

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

20:40-13:55

1 stop12h 15m

£526

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 22/1

17:20-17:20

1 stop29h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

19:10-16:50

1 stop16h 40m

£543

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 22/1

15:05-18:45

1 stop32h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

14:25-18:35

2 stops23h 10m

£551

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Sun 1/2

15:10-14:50

1 stop28h 40m

Toronto Pearson Intl

Thu 5/2

17:40-10:20

1 stop11h 40m

£861

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 9/1

07:30-19:55

2 stops17h 25m

Toronto Island

Fri 16/1

17:30-17:20

2 stops18h 50m

£1,095

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 7/12

05:45-19:45

3 stops43h 00m

£274

Flights are sorted by cheapest return flights first.

Deals found on 24/11

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 27 November 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 27 November 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
7,539 reviews
Check prices

Food

6.3

Crew

7.6

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

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
7,539 reviews
British Airways
6.7
Okay
7,539 reviews
Check prices

Food

6.3

Crew

7.6

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

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 American Airlines and British Airways fly from Belfast to Region of Ontario in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 30m. 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 - Toronto Pearson Intl. You may also consider Belfast City - Toronto Pearson Intl or Belfast Intl - 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£428Average£561FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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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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