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Cheap flights from Belfast to Ontario from £254

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
13 Dec — 20 Dec1
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 13 November 2025.

Thu 27/1109:05BHD - YUL
1 stop14h 40mAmerican Airlines
Mon 1/1214:29YUL - BHD
2 stops18h 46mAmerican Airlines
Deal found 11/11£575
Wed 26/1112:25BHD - YUL
1 stop11h 20mBritish Airways
Sun 30/1120:40YUL - BHD
1 stop31h 25mBritish Airways
Deal found 12/11£590
Mon 1/1206:30BFS - YYZ
1 stop13h 30mMultiple Airlines
Wed 3/1221:35YYZ - BFS
1 stop11h 10mMultiple Airlines
Deal found 12/11£595
Thu 27/1106:35BHD - YUL
1 stop17h 10mBritish Airways
Mon 1/1220:40YUL - BHD
1 stop12h 35mBritish Airways
Deal found 10/11£599
Thu 20/1111:05BHD - YUL
2 stops40h 35mAmerican Airlines
Mon 24/1120:40YUL - BHD
1 stop12h 35mAmerican Airlines
Deal found 12/11£602
Mon 22/1220:55BFS - YYZ
1 stop23h 05mMultiple Airlines
Tue 30/1221:35YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 11/11£673
Thu 27/1106:35BHD - YYZ
2 stops15h 40mAmerican Airlines
Mon 1/1210:30YYZ - BHD
2 stops19h 10mAmerican Airlines
Deal found 10/11£684
Thu 27/1106:30BHD - YYZ
1 stop14h 10mDelta
Mon 1/1215:38YYZ - BHD
2 stops20h 12mDelta
Deal found 11/11£685
Thu 20/1117:20BHD - YUL
1 stop29h 00mVirgin Atlantic
Mon 24/1119:10YUL - BHD
1 stop20h 50mVirgin Atlantic
Deal found 12/11£707
Wed 26/1106:35BHD - YUL
2 stops21h 05mAmerican Airlines
Sun 30/1114:29YUL - BHD
2 stops14h 51mAmerican Airlines
Deal found 12/11£714
Thu 20/1117:20BHD - YUL
1 stop29h 00mDelta
Mon 24/1119:10YUL - BHD
1 stop20h 50mDelta
Deal found 11/11£720
Mon 1/1219:20BFS - YTZ
3 stops29h 30mMultiple Airlines
Wed 3/1211:45YTZ - BFS
3 stops30h 05mMultiple Airlines
Deal found 12/11£734

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 13 November 2025.

Round-trip from

£457

One-way from

£254

Popular in

August

Cheapest in

May
4/3-18/3
  • 4/3-18/3
  • 4 total stops
  • 33h 35m total
  • Belfast to Ontario
Search Deals
17/1
  • 17/1
  • 2 total stops
  • 18h 36m 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 13 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

Wed 4/3

06:30-18:15

2 stops16h 45m

Toronto Pearson Intl

Wed 18/3

20:40-19:35

2 stops18h 55m

£434

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 4/3

07:25-18:15

2 stops15h 50m

Toronto Pearson Intl

Wed 18/3

20:40-20:30

2 stops19h 50m

£461

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 10/5

07:00-13:55

2 stops35h 55m

Toronto Pearson Intl

Wed 20/5

22:15-19:15

1 stop16h 00m

£522

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 4/3

12:25-21:59

2 stops14h 34m

Toronto Pearson Intl

Wed 18/3

23:05-14:15

1 stop11h 10m

£559

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 27/11

09:05-18:45

1 stop14h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

15:49-14:15

2 stops17h 26m

£575

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 26/11

12:25-18:45

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

20:40-09:05

1 stop31h 25m

£590

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 1/12

06:30-15:00

1 stop13h 30m

Toronto Pearson Intl

Wed 3/12

21:35-13:45

1 stop11h 10m

£595

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 27/11

06:35-18:45

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

20:40-14:15

1 stop12h 35m

£599

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 4/3

06:35-20:15

1 stop18h 40m

Toronto Pearson Intl

Wed 18/3

18:40-09:10

1 stop10h 30m

£615

BelfastToronto

BHD - YTZ

BHDYTZ

Belfast City

Wed 4/3

10:15-20:50

3 stops39h 35m

Toronto Island

Wed 18/3

17:30-14:50

3 stops17h 20m

£656

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 29 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 13 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 13 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
7,515 reviews
Check prices

Boarding

6.9

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,515 reviews
British Airways
6.7
Okay
7,515 reviews
Check prices

Boarding

6.9

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 14h 34m. The time it takes to get you to your destination can typically vary by up to 06m. 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 Intl - Montreal Pierre Elliott Trudeau 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£430Average£566FlexibilityNo 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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