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Cheap flights from Belfast Intl Airport to Ontario from £241

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£385

One-way from

£241

Popular in

August

Cheapest in

May

Average price

£811
13/10-20/10
  • 13/10-20/10
  • 2 total stops
  • 44h 20m total
  • Belfast to Ontario
Search Deals
13/10
  • 13/10
  • 2 total stops
  • 36h 30m 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 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 29 August 2025.

Mon 13/1015:30BFS - YUL
1 stop25h 05mMultiple Airlines
Mon 20/1018:50YUL - BFS
1 stop19h 15mMultiple Airlines
Deal found 29/8£385
Mon 15/912:35BFS - YYZ
2 stops30h 35mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£395
Tue 16/915:45BFS - YYZ
3 stops47h 14mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£397
Tue 16/905:55BFS - YYZ
2 stops13h 15mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£399
Mon 15/912:35BFS - YYZ
2 stops30h 35mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£401
Wed 17/920:30BFS - YYZ
2 stops24h 20mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£434
Sun 14/922:55BFS - YYZ
2 stops21h 55mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£436
Wed 17/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£439
Thu 18/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£440
Sun 14/922:55BFS - YYZ
2 stops21h 55mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£442
Thu 18/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£445
Sat 11/1019:35BFS - YYZ
2 stops23h 35mMultiple Airlines
Sat 18/1022:10YYZ - BFS
2 stops19h 20mMultiple Airlines
Deal found 27/8£450

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 29 August 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

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

£385

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Sun 14/9

21:00-17:55

2 stops25h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

06:45-22:30

2 stops34h 45m

£514

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 12/10

20:10-15:40

1 stop24h 30m

Toronto Pearson Intl

Sun 19/10

22:45-07:40

1 stop27h 55m

£532

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Fri 19/12

17:30-19:48

2 stops31h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 4/1

14:09-14:00

2 stops18h 51m

£727

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 13/10

06:40-14:10

2 stops36h 30m

£241

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 23/11

15:45-13:10

2 stops50h 25m

£262

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 13/10

15:30-15:55

2 stops29h 25m

£279

Flights are sorted by cheapest return flights first.

Deals found on 29/8

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 29 August 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.

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 29 August 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
7,320 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Overall

6.7

Crew

7.6

Food

6.3

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
7,320 reviews
British Airways
6.7
Okay
7,320 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Overall

6.7

Crew

7.6

Food

6.3

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 - Toronto Island.

  • 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£418Average£583FlexibilityNo 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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