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Cheap flights from Ontario to Australia from C$ 803

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Australia
Explore the most affordable flight options available from Ontario to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Wed 12/1112:25 p.m.YYZ - BNE
2 stops28h 55mDelta
Wed 3/1211:05 a.m.BNE - YYZ
2 stops25h 53mDelta
Deal found 30/10C$ 1,356
Fri 28/1112:45 p.m.YYZ - SYD
2 stops31h 50mMultiple Airlines
Fri 5/122:00 p.m.SYD - YYZ
2 stops26h 05mMultiple Airlines
Deal found 29/10C$ 1,589
Sun 14/127:15 a.m.YYZ - SYD
3 stops34h 20mMultiple Airlines
Sun 21/1211:20 a.m.SYD - YYZ
2 stops26h 52mMultiple Airlines
Deal found 30/10C$ 1,641
Sat 6/124:55 p.m.YYZ - SYD
2 stops35h 20mMultiple Airlines
Tue 27/12:00 p.m.SYD - YYZ
3 stops32h 58mMultiple Airlines
Deal found 28/10C$ 1,653
Wed 12/114:55 p.m.YYZ - SYD
2 stops27h 40mMultiple Airlines
Tue 18/112:00 p.m.SYD - YYZ
2 stops26h 05mMultiple Airlines
Deal found 29/10C$ 1,670
Wed 26/1110:00 a.m.YYZ - SYD
1 stop29h 25mMultiple Airlines
Tue 9/1211:20 a.m.SYD - YYZ
1 stop26h 03mMultiple Airlines
Deal found 29/10C$ 1,680
Thu 27/1110:00 a.m.YYZ - BNE
2 stops31h 45mMultiple Airlines
Tue 2/1210:45 a.m.BNE - YYZ
2 stops25h 38mMultiple Airlines
Deal found 28/10C$ 1,694
Sun 9/1112:35 a.m.YYZ - BNE
1 stop42h 55mCathay Pacific
Sun 23/1112:10 p.m.BNE - YYZ
1 stop39h 05mCathay Pacific
Deal found 30/10C$ 1,699
Fri 5/1210:30 a.m.YYZ - SYD
2 stops30h 30mMultiple Airlines
Sun 14/1211:20 a.m.SYD - YYZ
2 stops27h 51mMultiple Airlines
Deal found 28/10C$ 1,713
Mon 3/111:55 p.m.YYZ - BNE
1 stop40h 15mCathay Pacific
Sun 16/1112:10 p.m.BNE - YYZ
1 stop39h 05mCathay Pacific
Deal found 28/10C$ 1,720
Wed 12/1112:35 a.m.YYZ - BNE
1 stop31h 25mCathay Pacific
Wed 26/1112:30 a.m.BNE - YYZ
1 stop26h 45mCathay Pacific
Deal found 28/10C$ 1,727
Sun 7/1210:00 a.m.YYZ - SYD
1 stop31h 00mMultiple Airlines
Mon 15/1211:20 a.m.SYD - YYZ
1 stop26h 03mMultiple Airlines
Deal found 28/10C$ 1,734

Cheap flight deals from Ontario to Australia

Keep the following information in mind while searching for Ontario to Australia flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 1,356

One-way from

C$ 803

Popular in

December

Cheapest in

April

Average price

C$ 2,166

Good round-trip deal

C$ 1,727 or less
Delta
  • Delta
  • 12/11-3/12
  • 4 total stops
  • 54h 48m total
  • Ontario to Australia
Search Deals
3/12
  • 3/12
  • 3 total stops
  • 59h 05m total
  • Ontario to Australia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 362 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Australia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Australia 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 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Ontario to Australia that are best for you.

Fly from

Ontario

Fly to

Australia

Route

Depart

Return

Price

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Mon 17/11

12:25 p.m.-8:20 a.m.

2 stops28h 55m

Brisbane

Wed 3/12

11:05 a.m.-9:58 p.m.

2 stops25h 53m

C$ 1,356

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Wed 12/11

12:35 a.m.-11:00 p.m.

1 stop31h 25m

Brisbane

Wed 26/11

12:30 a.m.-12:15 p.m.

1 stop26h 45m

C$ 1,765

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Tue 11/11

12:35 a.m.-11:00 p.m.

1 stop31h 25m

Brisbane

Wed 26/11

12:30 a.m.-12:15 p.m.

1 stop26h 45m

C$ 1,765

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Tue 18/11

1:55 p.m.-11:00 p.m.

1 stop42h 05m

Brisbane

Thu 27/11

12:30 a.m.-9:00 p.m.

1 stop35h 30m

C$ 1,800

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Wed 12/11

12:35 a.m.-11:00 p.m.

1 stop31h 25m

Brisbane

Thu 27/11

12:30 a.m.-9:00 p.m.

1 stop35h 30m

C$ 1,800

TorontoPerth

YYZ - PER

YYZPER

Toronto Pearson Intl

Sun 1/3

12:35 a.m.-10:55 p.m.

1 stop33h 20m

Perth

Fri 6/3

8:30 a.m.-12:15 p.m.

1 stop40h 45m

C$ 1,839

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Tue 18/11

1:55 p.m.-11:00 p.m.

1 stop41h 05m

Melbourne

Sun 30/11

3:35 p.m.-12:15 p.m.

1 stop36h 40m

C$ 1,863

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sun 23/11

4:45 p.m.-7:45 p.m.

2 stops35h 00m

Sydney Kingsford Smith

Sat 6/12

9:40 p.m.-3:35 p.m.

2 stops33h 55m

C$ 1,954

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 26/2

1:55 p.m.-4:25 p.m.

2 stops34h 30m

Sydney Kingsford Smith

Sun 8/3

6:40 a.m.-9:00 p.m.

2 stops30h 20m

C$ 1,980

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Fri 14/11

12:25 p.m.-8:20 a.m.

2 stops28h 55m

Brisbane

Fri 28/11

10:40 a.m.-9:59 p.m.

2 stops26h 19m

C$ 2,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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Best time to book a flight from Ontario to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Ontario with our price prediction graph.
Estimated round-trip 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 Ontario to Australia

What is the cheapest month to book a flight from Region of Ontario to Australia?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 309). Flying from Region of Ontario to Australia in November is currently the most expensive (average of C$ 1,320). 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 ON to AU?

Find hourly flight availability from Ontario to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 8% on flights from Region of Ontario to Australia by exploring options for tickets in the evening.

What is the cheapest day to fly from Region of Ontario to Australia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Australia. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to Australia flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Australia. 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 Region of Ontario to Australia?

    There are many flights that can get you from Region of Ontario to Australia in 28h 55m. Fly via Delta, Cathay Pacific, or Alaska Airlines to get the fastest option. There are 14996 km between Region of Ontario and Australia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Australia one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 846. However, be on the lookout for offers from Air New Zealand and Air Canada, as they are both options that can get you from Region of Ontario to Australia for a low price.

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

    Yes. In addition to deals on Ontario to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Australia?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Australia 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 Region of Ontario to Australia?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 309). Flying from Region of Ontario to Australia in November is currently the most expensive (average of C$ 1,320). 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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Alternative routes for Ontario to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to Australia

Discover the top 10 airlines that operate flights from Ontario to Australia. 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 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 214AverageC$ 339FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 245AverageC$ 372FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 354AverageC$ 2,455FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 379AverageC$ 1,178FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 948AverageC$ 1,178FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Cathay PacificCheapestC$ 1,092AverageC$ 2,306FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
American AirlinesCheapestC$ 1,104AverageC$ 1,798FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 1,238AverageC$ 1,597FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 1,240AverageC$ 2,405FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,290AverageC$ 2,034FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Australia?

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 Australia from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Australia?

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 Ontario to Australia.

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

Certainly. Search results for flights to Australia from Ontario 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 Ontario to Australia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from Ontario today and book when prices fit your budget.

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