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Cheap flights from Belfast to Ontario from £574

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — YYZ
6 Dec — 13 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 6 November 2025.

Thu 20/1106:35BHD - YUL
2 stops36h 14mAmerican Airlines
Mon 24/1120:40YUL - BHD
1 stop12h 35mAmerican Airlines
Deal found 5/11£574
Thu 27/1109:05BHD - YYZ
2 stops37h 18mAmerican Airlines
Mon 1/1218:20YYZ - BHD
2 stops14h 55mAmerican Airlines
Deal found 5/11£585
Thu 13/1109:05BHD - YUL
1 stop14h 40mAmerican Airlines
Mon 17/1115:59YUL - BHD
2 stops13h 41mAmerican Airlines
Deal found 5/11£603
Thu 20/1117:20BHD - YUL
1 stop29h 00mVirgin Atlantic
Mon 24/1119:10YUL - BHD
1 stop20h 50mVirgin Atlantic
Deal found 5/11£618
Thu 27/1106:30BHD - YYZ
1 stop17h 45mVirgin Atlantic
Mon 1/1215:38YYZ - BHD
2 stops24h 22mVirgin Atlantic
Deal found 3/11£651
Sat 20/1209:40BFS - YUL
1 stop32h 00mMultiple Airlines
Sat 27/1220:10YUL - BFS
1 stop18h 45mMultiple Airlines
Deal found 5/11£766
Fri 19/1205:45BFS - YUL
3 stops43h 00mMultiple Airlines
Fri 26/1221:40YUL - BFS
2 stops21h 10mMultiple Airlines
Deal found 4/11£823
Sat 20/1220:00BFS - YYZ
3 stops28h 50mMultiple Airlines
Sat 27/1221:35YYZ - BFS
2 stops19h 20mMultiple Airlines
Deal found 5/11£864
Tue 4/1118:50BHD - YYZ
2 stops50h 05mAer Lingus
Sun 30/1117:25YYZ - BHD
2 stops18h 55mAer Lingus
Deal found 4/11£870
Thu 27/1117:20BHD - YYZ
1 stop27h 20mDelta
Mon 1/1217:50YYZ - BHD
1 stop18h 00mDelta
Deal found 5/11£891
Tue 4/1119:25BHD - YYZ
1 stop24h 25mMultiple Airlines
Sun 30/1117:25YYZ - BHD
2 stops15h 40mMultiple Airlines
Deal found 4/11£931
Tue 4/1117:20BHD - YYZ
1 stop27h 20mKLM
Sun 30/1117:50YYZ - BHD
1 stop22h 10mKLM
Deal found 4/11£931

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 6 November 2025.

Round-trip from

£482

Popular in

August

Cheapest in

May

Average price

£632
1/12-8/12
  • 1/12-8/12
  • 3 total stops
  • 51h 30m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 6 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

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 20/11

06:35-13:49

2 stops36h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

20:40-14:15

1 stop12h 35m

£574

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 27/11

09:05-17:23

2 stops37h 18m

Toronto Pearson Intl

Mon 1/12

18:20-14:15

2 stops14h 55m

£585

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 20/11

17:20-17:20

1 stop29h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

19:10-21:00

1 stop20h 50m

£618

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 27/11

06:30-19:15

1 stop17h 45m

Toronto Pearson Intl

Mon 1/12

15:38-21:00

2 stops24h 22m

£651

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 20/11

17:20-17:20

1 stop29h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

19:10-16:50

1 stop16h 40m

£670

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sat 20/12

09:40-12:40

1 stop32h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 27/12

20:10-19:55

1 stop18h 45m

£766

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Fri 19/12

05:45-19:45

3 stops43h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 26/12

21:40-23:50

2 stops21h 10m

£823

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 20/12

20:00-19:50

3 stops28h 50m

Toronto Pearson Intl

Sat 27/12

21:35-21:55

2 stops19h 20m

£864

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 27/11

17:20-15:40

1 stop27h 20m

Toronto Pearson Intl

Mon 1/12

17:50-16:50

1 stop18h 00m

£891

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Mon 17/11

06:55-15:55

2 stops14h 00m

Toronto Pearson Intl

Thu 27/11

17:25-12:55

2 stops14h 30m

£3,576

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 11 results
1
2

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 month to book a flight from Belfast to Region of Ontario?

Currently, September is the cheapest month in which you can book a flight from Belfast to Region of Ontario (average of £425). Flying from Belfast to Region of Ontario in December is currently the most expensive (average of £741). 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.

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 6 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 6 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
7,496 reviews
Check prices

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

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
7,496 reviews
British Airways
6.7
Okay
7,496 reviews
Check prices

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

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 American Airlines and Virgin Atlantic fly from Belfast to Region of Ontario in about 17h 45m. The time it takes to get you to your destination can typically vary by up to 18h 29m. 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, September is the cheapest month in which you can book a flight from Belfast to Region of Ontario (average of £425). Flying from Belfast to Region of Ontario in December is currently the most expensive (average of £741). 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

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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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£433Average£570FlexibilityNo 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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