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Cheap flights from Belfast to Ontario from £289

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
1 Sep — 8 Sep1
1 adult

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 August 2025.

Round-trip from

£377

One-way from

£289

Popular in

August

Cheapest in

May

Average price

£813
13/10-20/10
  • 13/10-20/10
  • 2 total stops
  • 44h 20m total
  • Belfast to Ontario
Search Deals
9/10
  • 9/10
  • 2 total stops
  • 32h 49m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Belfast to Ontario

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 August 2025.

Mon 13/1015:30BFS - YUL
1 stop25h 05mMultiple Airlines
Mon 20/1018:50YUL - BFS
1 stop19h 15mMultiple Airlines
Deal found 26/8£377
Fri 17/1006:05BFS - YYZ
2 stops18h 20mMultiple Airlines
Mon 20/1022:45YYZ - BFS
1 stop16h 40mMultiple Airlines
Deal found 25/8£427
Thu 9/1006:10BFS - YUL
1 stop13h 05mMultiple Airlines
Thu 16/1022:05YUL - BFS
1 stop12h 30mMultiple Airlines
Deal found 25/8£428
Thu 23/1006:10BFS - YYZ
2 stops29h 17mMultiple Airlines
Sun 2/1105:15YYZ - BFS
2 stops21h 05mMultiple Airlines
Deal found 25/8£428
Fri 24/1006:15BFS - YYZ
1 stop17h 40mMultiple Airlines
Sun 2/1105:15YYZ - BFS
2 stops21h 55mMultiple Airlines
Deal found 25/8£445
Tue 16/906:15BFS - YYZ
2 stops14h 35mMultiple Airlines
Sat 20/917:35YYZ - BFS
2 stops12h 25mMultiple Airlines
Deal found 26/8£457
Sun 26/1007:20BHD - YYZ
1 stop12h 40mMultiple Airlines
Tue 4/1121:35YYZ - BHD
1 stop11h 00mMultiple Airlines
Deal found 25/8£462
Mon 15/922:20BFS - YYZ
2 stops22h 30mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 26/8£466
Sun 14/922:55BFS - YYZ
2 stops21h 55mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 26/8£468
Sun 26/1008:55BFS - YYZ
1 stop17h 15mMultiple Airlines
Tue 4/1120:25YYZ - BFS
1 stop15h 35mMultiple Airlines
Deal found 25/8£471
Thu 9/1007:05BHD - YYZ
1 stop13h 35mMultiple Airlines
Thu 16/1022:45YYZ - BHD
1 stop11h 45mMultiple Airlines
Deal found 25/8£476
Mon 15/906:40BFS - YYZ
2 stops14h 10mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 26/8£482

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 August 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

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 13/10

15:30-11:35

1 stop25h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

18:50-19:05

1 stop19h 15m

£377

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 17/10

06:05-19:25

2 stops18h 20m

Toronto Pearson Intl

Mon 20/10

22:45-20:25

1 stop16h 40m

£427

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Thu 9/10

06:10-14:15

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

22:05-15:35

1 stop12h 30m

£428

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 23/10

06:10-06:27

2 stops29h 17m

Toronto Pearson Intl

Sun 2/11

05:15-07:20

2 stops21h 05m

£428

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 24/10

06:15-18:55

1 stop17h 40m

Toronto Pearson Intl

Sun 2/11

05:15-08:10

2 stops21h 55m

£445

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/9

06:15-15:50

2 stops14h 35m

Toronto Pearson Intl

Sat 20/9

17:35-11:00

2 stops12h 25m

£457

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 26/10

08:55-22:10

1 stop17h 15m

Toronto Pearson Intl

Tue 4/11

06:15-08:20

2 stops21h 05m

£462

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Sun 26/10

07:20-16:00

1 stop12h 40m

Toronto Pearson Intl

Tue 4/11

21:35-13:35

1 stop11h 00m

£462

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 15/9

22:20-15:50

2 stops22h 30m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£466

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/9

07:05-15:50

2 stops13h 45m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£466

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 26 results
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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 27 August 2025.

When flying from Belfast to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 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
7,310 reviews
Check prices

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.
British Airways
6.7
Okay
7,310 reviews
British Airways
6.7
Okay
7,310 reviews
Check prices

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

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 and American Airlines fly from Belfast to Region of Ontario in about 11h. The time it takes to get you to your destination can typically vary by up to 7h 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 - 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.

  • What is the cheapest month to book a flight from Belfast to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Region of Ontario (average of £490). Flying from Belfast to Region of Ontario in July is currently the most expensive (average of £708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£419Average£615FlexibilityNo 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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