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Cheap flights from Belfast Intl Airport to Ontario from £294

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
21 Nov — 28 Nov1
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 22 October 2025.

Round-trip from

£430

One-way from

£294

Popular in

August

Cheapest in

May

Average price

£590
4/12-11/12
  • 4/12-11/12
  • 4 total stops
  • 51h 40m total
  • Belfast to Ontario
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5/12
  • 5/12
  • 1 total stop
  • 22h 40m 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).
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Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

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 22 October 2025.

Thu 4/1206:30BFS - YUL
2 stops20h 55mMultiple Airlines
Thu 11/1210:35YUL - BFS
2 stops30h 45mMultiple Airlines
Deal found 20/10£430
Fri 5/1221:20BFS - YYZ
1 stop22h 40mMultiple Airlines
Fri 12/1221:35YYZ - BFS
1 stop30h 20mMultiple Airlines
Deal found 21/10£480
Fri 31/1006:30BFS - YYZ
1 stop13h 30mMultiple Airlines
Sun 2/1121:35YYZ - BFS
1 stop18h 55mMultiple Airlines
Deal found 21/10£706
Thu 4/1206:30BFS - YTZ
3 stops30h 50mMultiple Airlines
Thu 11/1207:00YTZ - BFS
3 stops34h 20mMultiple Airlines
Deal found 20/10£707
Wed 22/1007:15BFS - YYZ
2 stops16h 15mMultiple Airlines
Wed 29/1017:40YYZ - BFS
2 stops18h 30mMultiple Airlines
Deal found 21/10£792
Fri 5/1208:05BFS - YTZ
3 stops19h 05mMultiple Airlines
Fri 12/1208:40YTZ - BFS
3 stops25h 30mMultiple Airlines
Deal found 21/10£886

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 22 October 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

Thu 4/12

06:30-22:25

2 stops20h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

10:35-22:20

2 stops30h 45m

£430

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 5/12

21:20-15:00

1 stop22h 40m

Toronto Pearson Intl

Fri 12/12

21:35-08:55

1 stop30h 20m

£480

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 7/3

21:05-11:40

1 stop19h 35m

Toronto Pearson Intl

Sat 21/3

20:15-16:35

1 stop16h 20m

£501

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 4/12

06:30-08:20

3 stops30h 50m

Toronto Island

Thu 11/12

07:00-22:20

3 stops34h 20m

£707

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 5/12

08:05-22:10

3 stops19h 05m

Toronto Island

Fri 12/12

08:40-15:10

3 stops25h 30m

£886

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 5/12

21:20-15:00

1 stop22h 40m

£294

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 7/11

06:30-14:40

3 stops37h 10m

£395

Flights are sorted by cheapest return flights first.

Deals found on 21/10

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 22 October 2025.

It’s optimal to fly from Belfast Intl Airport to Region of Ontario in the evening. By choosing this option you can save up to 35% 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 22 October 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
7,466 reviews
Check prices

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

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
7,466 reviews
British Airways
6.7
Okay
7,466 reviews
Check prices

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

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 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.

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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£422Average£593FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Ontario.

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.

Can Cheapflights notify me if prices for flights from Belfast Intl to Ontario become cheaper?

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