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Cheap flights from Belfast to Ontario from £273

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Thu 4/1206:00BFS - YYZ
2 stops41h 15mMultiple Airlines
Mon 8/1219:40YYZ - BFS
2 stops20h 50mMultiple Airlines
Deal found 15/10£389
Thu 4/1206:35BHD - YYZ
2 stops16h 40mMultiple Airlines
Mon 8/1219:40YYZ - BHD
2 stops19h 35mMultiple Airlines
Deal found 15/10£456
Mon 1/1220:55BFS - YYZ
1 stop23h 05mMultiple Airlines
Mon 8/1221:35YYZ - BFS
1 stop29h 20mMultiple Airlines
Deal found 17/10£459
Mon 1/1208:40BFS - YTZ
2 stops16h 15mMultiple Airlines
Mon 8/1218:30YTZ - BFS
2 stops22h 10mMultiple Airlines
Deal found 17/10£497
Sun 16/1109:10BHD - YYZ
2 stops38h 05mMultiple Airlines
Sun 23/1119:40YYZ - BHD
2 stops18h 00mMultiple Airlines
Deal found 16/10£526
Thu 4/1209:05BHD - YYZ
1 stop10h 45mAmerican Airlines
Mon 8/1222:05YYZ - BHD
1 stop11h 10mAmerican Airlines
Deal found 15/10£541
Sat 29/1108:10BFS - YYZ
1 stop11h 50mMultiple Airlines
Sat 6/1221:35YYZ - BFS
1 stop12h 50mMultiple Airlines
Deal found 15/10£544
Thu 27/1109:05BHD - YUL
1 stop14h 40mAmerican Airlines
Mon 1/1220:40YUL - BHD
1 stop12h 35mAmerican Airlines
Deal found 14/10£546
Thu 27/1120:00BHD - YUL
1 stop27h 45mBritish Airways
Mon 1/1220:40YUL - BHD
1 stop12h 35mBritish Airways
Deal found 16/10£559
Thu 20/1115:05BHD - YUL
2 stops36h 35mAmerican Airlines
Mon 24/1120:40YUL - BHD
1 stop12h 35mAmerican Airlines
Deal found 14/10£567
Sun 16/1110:40BHD - YYZ
2 stops16h 18mBritish Airways
Sun 23/1118:05YYZ - BHD
1 stop14h 10mBritish Airways
Deal found 16/10£578
Thu 27/1106:35BHD - YYZ
2 stops15h 40mAmerican Airlines
Mon 1/1213:14YYZ - BHD
2 stops16h 26mAmerican Airlines
Deal found 14/10£586

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 17 October 2025.

Round-trip from

£389

One-way from

£273

Popular in

August

Cheapest in

May

Average price

£587
4/12-8/12
  • 4/12-8/12
  • 4 total stops
  • 62h 05m total
  • Belfast to Ontario
Search Deals
1/12
  • 1/12
  • 2 total stops
  • 33h 30m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 17 October 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

Thu 4/12

06:00-18:15

2 stops41h 15m

Toronto Pearson Intl

Mon 8/12

19:40-21:30

2 stops20h 50m

£389

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 4/12

06:35-18:15

2 stops16h 40m

Toronto Pearson Intl

Mon 8/12

19:40-20:15

2 stops19h 35m

£456

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 1/12

20:55-15:00

1 stop23h 05m

Toronto Pearson Intl

Mon 8/12

21:35-07:55

1 stop29h 20m

£459

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 1/12

08:40-19:55

2 stops16h 15m

Toronto Island

Mon 8/12

18:30-21:40

2 stops22h 10m

£497

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Sun 16/11

09:10-18:15

2 stops38h 05m

Toronto Pearson Intl

Sun 23/11

19:40-18:40

2 stops18h 00m

£526

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 4/12

09:05-14:50

1 stop10h 45m

Toronto Pearson Intl

Mon 8/12

22:05-14:15

1 stop11h 10m

£541

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 29/11

08:10-15:00

1 stop11h 50m

Toronto Pearson Intl

Sat 6/12

21:35-15:25

1 stop12h 50m

£544

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 27/11

20:00-18:45

1 stop27h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

20:40-14:15

1 stop12h 35m

£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

£567

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 20/11

15:05-22:40

2 stops36h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

20:40-14:15

1 stop12h 35m

£567

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 22 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 17 October 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 17 October 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
7,459 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Overall

6.7

Crew

7.6

Comfort

6.7

Food

6.3

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
7,459 reviews
British Airways
6.7
Okay
7,459 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Overall

6.7

Crew

7.6

Comfort

6.7

Food

6.3

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 American Airlines and British Airways fly from Belfast to Region of Ontario in about 10h 45m. The time it takes to get you to your destination can typically vary by up to 17h. 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£420Average£554FlexibilityNo 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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