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Cheap flights from Belfast Intl Airport to Ontario from £347

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 February 2026.

Wed 18/320:50
BFS
-
YYZ
1 stop23h 10m
Multiple Airlines
Wed 25/322:35
YYZ
-
BFS
1 stop11h 10m
Multiple Airlines
Deal found 1/2£418
Thu 19/306:30
BFS
-
YYZ
1 stop13h 30m
Multiple Airlines
Thu 26/322:35
YYZ
-
BFS
1 stop29h 05m
Multiple Airlines
Deal found 2/2£424
Sat 21/208:10
BFS
-
YYZ
1 stop11h 50m
Multiple Airlines
Tue 24/221:35
YYZ
-
BFS
1 stop17h 35m
Multiple Airlines
Deal found 1/2£495
Sat 21/208:10
BFS
-
YYZ
1 stop11h 50m
Multiple Airlines
Wed 25/221:35
YYZ
-
BFS
1 stop11h 10m
Multiple Airlines
Deal found 1/2£509
Tue 24/210:20
BFS
-
YYZ
2 stops30h 50m
Multiple Airlines
Tue 10/314:15
YYZ
-
BFS
3 stops19h 10m
Multiple Airlines
Deal found 2/2£531
Wed 25/315:45
BFS
-
YYZ
2 stops26h 30m
Multiple Airlines
Sat 4/422:35
YYZ
-
BFS
1 stop19h 05m
Multiple Airlines
Deal found 1/2£532
Thu 19/316:30
BFS
-
YTZ
3 stops28h 45m
Multiple Airlines
Thu 26/312:00
YTZ
-
BFS
3 stops28h 40m
Multiple Airlines
Deal found 2/2£686

Find 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 3 February 2026.

Round-trip from

£418

One-way from

£347

Popular in

August

Cheapest in

January

Average price

£488
18/3-25/3
  • 18/3-25/3
  • 2 total stops
  • 34h 20m total
  • Belfast to Ontario
Search Deals
18/3
  • 18/3
  • 3 total stops
  • 37h 55m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 3 February 2026.
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

Wed 18/3

20:50-16:00

1 stop23h 10m

Toronto Pearson Intl

Wed 25/3

22:35-13:45

1 stop11h 10m

£418

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 19/3

06:30-16:00

1 stop13h 30m

Toronto Pearson Intl

Thu 26/3

22:35-07:40

1 stop29h 05m

£424

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 21/2

08:10-15:00

1 stop11h 50m

Toronto Pearson Intl

Tue 24/2

21:35-20:10

1 stop17h 35m

£495

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 24/2

10:20-12:10

2 stops30h 50m

Toronto Pearson Intl

Tue 10/3

14:15-13:25

3 stops19h 10m

£531

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 25/3

15:45-14:15

2 stops26h 30m

Toronto Pearson Intl

Sat 4/4

22:35-22:40

1 stop19h 05m

£532

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 19/3

16:30-17:15

3 stops28h 45m

Toronto Island

Thu 26/3

12:00-20:40

3 stops28h 40m

£686

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Wed 18/3

07:55-17:50

3 stops37h 55m

£347

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 18/3

17:30-20:52

2 stops31h 22m

£350

BelfastHamilton

BFS - YHM

BFSYHM

Belfast Intl

Wed 18/3

10:10-01:11

2 stops19h 01m

£431

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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
No data available for this route at this time. Please check back soon.

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 3 February 2026.
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
7,712 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Overall

6.7

Crew

7.6

Food

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,712 reviews
British Airways
6.7
Okay
7,712 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Overall

6.7

Crew

7.6

Food

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£405Average£601FlexibilityNo 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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