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Cheap flights from Ontario to Australia from C$ 719

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
2 Mar — 9 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 January 2026.

Mon 23/210:35 p.m.
YYZ
-
SYD
1 stop43h 00m
Air Canada
Wed 11/310:20 a.m.
SYD
-
YYZ
1 stop28h 17m
Air Canada
Deal found 29/1C$ 1,378
Mon 2/310:35 p.m.
YYZ
-
SYD
1 stop43h 00m
Air Canada
Wed 15/49:20 a.m.
SYD
-
YYZ
2 stops22h 22m
Air Canada
Deal found 29/1C$ 1,388
Sat 19/910:25 p.m.
YYZ
-
SYD
1 stop42h 55m
Air Canada
Mon 12/1010:20 a.m.
SYD
-
YYZ
1 stop27h 40m
Air Canada
Deal found 29/1C$ 1,402
Wed 25/27:20 p.m.
YYZ
-
SYD
1 stop22h 15m
Air Canada
Wed 4/311:20 a.m.
SYD
-
YYZ
2 stops28h 53m
Air Canada
Deal found 28/1C$ 1,405
Sat 31/110:35 p.m.
YYZ
-
SYD
1 stop43h 00m
Air Canada
Mon 16/211:20 a.m.
SYD
-
YYZ
2 stops27h 36m
Air Canada
Deal found 28/1C$ 1,420
Mon 9/117:00 p.m.
YYZ
-
SYD
1 stop22h 35m
Air Canada
Wed 25/1111:20 a.m.
SYD
-
YYZ
2 stops37h 31m
Air Canada
Deal found 29/1C$ 1,421
Sat 7/210:35 p.m.
YYZ
-
MEL
2 stops47h 40m
Air Canada
Mon 16/27:45 a.m.
MEL
-
YYZ
2 stops45h 20m
Air Canada
Deal found 30/1C$ 1,425
Sat 7/210:35 p.m.
YYZ
-
MEL
2 stops48h 40m
Air Canada
Sat 14/27:50 p.m.
MEL
-
YYZ
2 stops38h 05m
Air Canada
Deal found 30/1C$ 1,426
Sat 19/910:25 p.m.
YYZ
-
SYD
1 stop42h 55m
Air Canada
Wed 30/99:20 a.m.
SYD
-
YYZ
1 stop22h 15m
Air Canada
Deal found 30/1C$ 1,426
Mon 2/28:20 p.m.
YYZ
-
SYD
2 stops26h 20m
Air Canada
Wed 18/211:20 a.m.
SYD
-
YYZ
1 stop29h 57m
Air Canada
Deal found 28/1C$ 1,440
Mon 20/410:00 a.m.
YYZ
-
SYD
2 stops31h 20m
Air Canada
Wed 29/46:30 a.m.
SYD
-
YYZ
2 stops32h 38m
Air Canada
Deal found 29/1C$ 1,441
Mon 23/25:50 p.m.
YOW
-
MEL
2 stops29h 40m
Multiple Airlines
Wed 11/36:00 a.m.
MEL
-
YOW
2 stops24h 45m
Multiple Airlines
Deal found 29/1C$ 1,443

Find flight deals from Ontario to Australia

Keep the following information in mind while searching for Ontario to Australia flight deals. Data was last updated 31 January 2026.

Round-trip from

C$ 1,378

One-way from

C$ 719

Popular in

December

Cheapest in

April

Average price

C$ 2,352

Good round-trip deal

C$ 2,090 or less
Air Canada
  • Air Canada
  • 23/2-11/3
  • 2 total stops
  • 71h 17m total
  • Ontario to Australia
Search Deals
7/3
  • 7/3
  • 3 total stops
  • 48h 15m total
  • Ontario to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 31 January 2026.
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

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Mon 23/2

5:50 p.m.-3:30 p.m.

2 stops29h 40m

Melbourne

Wed 11/3

6:00 a.m.-3:45 p.m.

2 stops24h 45m

C$ 1,443

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

8:10 p.m.-12:35 p.m.

3 stops49h 25m

Melbourne

Wed 13/5

6:00 a.m.-5:51 p.m.

3 stops49h 51m

C$ 1,470

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Thu 5/3

5:50 p.m.-6:15 p.m.

2 stops32h 25m

Melbourne

Sat 14/3

6:25 p.m.-4:01 p.m.

2 stops36h 36m

C$ 1,479

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Mon 9/3

2:00 p.m.-5:00 a.m.

1 stop24h 00m

Melbourne

Wed 25/3

4:05 p.m.-10:39 p.m.

1 stop21h 34m

C$ 1,505

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Tue 17/2

2:00 p.m.-10:20 a.m.

2 stops28h 20m

Melbourne

Wed 4/3

4:05 p.m.-10:39 p.m.

1 stop22h 34m

C$ 1,535

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Sat 11/4

6:00 a.m.-6:45 a.m.

2 stops34h 45m

Melbourne

Mon 13/4

9:45 a.m.-12:40 a.m.

2 stops28h 55m

C$ 1,539

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Wed 25/3

2:00 p.m.-5:00 a.m.

1 stop24h 00m

Melbourne

Sun 10/5

9:00 a.m.-10:55 p.m.

2 stops27h 55m

C$ 1,548

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Thu 21/5

7:30 a.m.-6:45 a.m.

2 stops33h 15m

Melbourne

Sun 31/5

9:45 a.m.-5:40 a.m.

2 stops33h 55m

C$ 1,552

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Sun 15/3

6:00 a.m.-9:30 a.m.

2 stops36h 30m

Melbourne

Sun 22/3

12:00 p.m.-4:53 p.m.

2 stops43h 53m

C$ 1,556

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sat 21/3

6:20 p.m.-3:30 p.m.

2 stops30h 10m

Melbourne

Tue 21/4

6:00 a.m.-7:12 p.m.

2 stops27h 12m

C$ 1,558

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 60 results
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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$ 294). Flying from Region of Ontario to Australia in November is currently the most expensive (average of C$ 750). 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 31 January 2026.

When flying from Region of Ontario to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to Australia

Explore weekly flight availability from Ontario to Australia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 31 January 2026.

The most flights from CAON to AU0 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 24h. Fly via Air Canada, Qantas Airways, or Cathay Pacific to get the fastest option. There are 16241 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$ 602. However, be on the lookout for offers from Air Canada and China Eastern, 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$ 294). Flying from Region of Ontario to Australia in November is currently the most expensive (average of C$ 750). 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

Browse thousands of different options on Cheapflights for your next trip

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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 31 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 206AverageC$ 320FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 242AverageC$ 369FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 341AverageC$ 2,252FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 367AverageC$ 1,288FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 430AverageC$ 1,459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Fiji AirwaysCheapestC$ 920AverageC$ 1,152FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Cathay PacificCheapestC$ 1,059AverageC$ 2,135FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Alaska AirlinesCheapestC$ 1,151AverageC$ 1,460FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
China EasternCheapestC$ 1,156AverageC$ 2,373FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qantas AirwaysCheapestC$ 1,249AverageC$ 2,337FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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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