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Cheap flights from Belfast Intl Airport to Ontario from £286

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Belfast Intl to Ontario

Keep the following information in mind while searching for Belfast Intl to Ontario flight deals. Data was last updated 17 September 2025.

Round-trip from

£420

One-way from

£286

Popular in

August

Cheapest in

May

Average price

£500
3/11-9/11
  • 3/11-9/11
  • 4 total stops
  • 62h 05m total
  • Belfast to Ontario
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31/10
  • 31/10
  • 2 total stops
  • 46h 00m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Belfast Intl to Ontario

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Mon 3/1106:00BFS - YYZ
2 stops41h 15mMultiple Airlines
Sun 9/1119:40YYZ - BFS
2 stops20h 50mMultiple Airlines
Deal found 16/9£420
Thu 30/1020:05BFS - YYZ
1 stop23h 55mMultiple Airlines
Thu 6/1121:35YYZ - BFS
1 stop29h 05mMultiple Airlines
Deal found 15/9£447
Wed 29/1006:30BFS - YYZ
1 stop13h 30mMultiple Airlines
Wed 19/1121:35YYZ - BFS
1 stop29h 55mMultiple Airlines
Deal found 15/9£469
Sun 26/1023:05BFS - YYZ
3 stops21h 35mMultiple Airlines
Tue 4/1116:00YYZ - BFS
3 stops18h 15mMultiple Airlines
Deal found 16/9£588
Thu 30/1017:15BFS - YTZ
3 stops28h 10mMultiple Airlines
Thu 6/1108:40YTZ - BFS
3 stops30h 45mMultiple Airlines
Deal found 15/9£636
Sat 1/1106:30BFS - YTZ
3 stops31h 34mMultiple Airlines
Sat 8/1108:00YTZ - BFS
3 stops25h 40mMultiple Airlines
Deal found 17/9£696
Sun 26/1007:10BFS - YTZ
3 stops29h 54mMultiple Airlines
Tue 4/1111:05YTZ - BFS
3 stops23h 10mMultiple Airlines
Deal found 16/9£1,346

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 September 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

Fly from

Belfast Intl

Fly to

Ontario

Route

Depart

Return

Price

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 3/11

06:00-18:15

2 stops41h 15m

Toronto Pearson Intl

Sun 9/11

19:40-21:30

2 stops20h 50m

£420

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 30/10

20:05-16:00

1 stop23h 55m

Toronto Pearson Intl

Thu 6/11

21:35-07:40

1 stop29h 05m

£447

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 29/10

06:30-16:00

1 stop13h 30m

Toronto Pearson Intl

Wed 19/11

21:35-08:30

1 stop29h 55m

£469

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 26/10

23:05-16:40

3 stops21h 35m

Toronto Pearson Intl

Tue 4/11

16:00-15:15

3 stops18h 15m

£588

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 30/10

17:15-17:25

3 stops28h 10m

Toronto Island

Thu 6/11

08:40-20:25

3 stops30h 45m

£636

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Sat 1/11

06:30-10:04

3 stops31h 34m

Toronto Island

Sat 8/11

08:00-14:40

3 stops25h 40m

£696

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Sun 26/10

07:10-09:04

3 stops29h 54m

Toronto Island

Tue 4/11

11:05-15:15

3 stops23h 10m

£1,346

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 31/10

21:20-15:20

2 stops46h 00m

£286

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 31/10

06:00-20:54

3 stops42h 54m

£335

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 11/10

08:35-00:10

2 stops20h 35m

£381

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from Belfast Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast Intl 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 Intl Airport to Ontario

What is the cheapest time of day to fly from BFS to ON?

Find hourly flight availability from Belfast Intl 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 September 2025.

When flying from Belfast Intl Airport 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.

How much does it cost for a return flight from Belfast Intl Airport to Region of Ontario?

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 September 2025.
Check out reviews from past customers who have flown with British Airways from Belfast Intl Airport to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,363 reviews
Check prices

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.3

Crew

7.6

Boarding

6.9

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
7,363 reviews
British Airways
6.7
Okay
7,363 reviews
Check prices

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.3

Crew

7.6

Boarding

6.9

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 Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Belfast Intl Airport to Region of Ontario?

    The most popular route from Belfast Intl Airport to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Hamilton.

  • Can I find deals for flights from Belfast Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ontario.

  • Can I find deals for business class flights from Belfast Intl to Ontario?

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Region of Ontario (average of £490). Flying from Belfast Intl Airport 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

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Top airline flying from Belfast Intl to Ontario

Discover the top airline that operate flights from Belfast Intl 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£414Average£571FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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Can Cheapflights find flights from Belfast Intl to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Ontario flexibly with Cheapflights today.

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