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Cheap flights from Ontario to Australia from C$ 710

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
29 Aug — 5 Sep1
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 30 July 2026.

Fri 7/89:45 a.m.
YYZ
-
MEL
2 stops32h 05m
Delta
Fri 21/810:00 a.m.
MEL
-
YYZ
2 stops27h 57m
Delta
Deal found 26/7C$ 1,297
Wed 29/79:45 a.m.
YYZ
-
MEL
2 stops32h 05m
Delta
Fri 21/810:00 a.m.
MEL
-
YYZ
2 stops27h 57m
Delta
Deal found 25/7C$ 1,298
Sun 9/86:51 p.m.
YUL
-
MEL
2 stops46h 59m
Delta
Fri 21/810:00 a.m.
MEL
-
YUL
2 stops44h 20m
Delta
Deal found 26/7C$ 1,298
Tue 11/86:51 p.m.
YUL
-
MEL
2 stops46h 59m
Delta
Sun 23/810:00 a.m.
MEL
-
YUL
2 stops27h 52m
Delta
Deal found 30/7C$ 1,300
Tue 28/72:24 p.m.
YYZ
-
MEL
2 stops51h 26m
Delta
Sun 30/810:00 a.m.
MEL
-
YYZ
2 stops36h 55m
Delta
Deal found 26/7C$ 1,363
Wed 19/87:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Wed 26/89:15 a.m.
SYD
-
YUL
2 stops28h 25m
Delta
Deal found 29/7C$ 1,526
Mon 27/77:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Mon 3/89:15 a.m.
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 26/7C$ 1,528
Sun 9/86:51 p.m.
YUL
-
SYD
2 stops45h 59m
Delta
Tue 18/89:15 a.m.
SYD
-
YUL
2 stops28h 15m
Delta
Deal found 26/7C$ 1,529
Sun 16/86:34 p.m.
YYZ
-
MEL
2 stops47h 16m
Delta
Sun 23/810:00 a.m.
MEL
-
YYZ
2 stops36h 55m
Delta
Deal found 28/7C$ 1,556
Wed 26/86:25 p.m.
YYZ
-
MEL
2 stops71h 25m
Delta
Wed 2/910:00 a.m.
MEL
-
YYZ
2 stops27h 03m
Delta
Deal found 27/7C$ 1,557
Sun 9/87:00 a.m.
YUL
-
MEL
2 stops58h 50m
Delta
Sun 16/810:00 a.m.
MEL
-
YUL
2 stops39h 39m
Delta
Deal found 26/7C$ 1,559
Mon 21/96:35 p.m.
YYZ
-
MEL
2 stops27h 50m
Multiple Airlines
Mon 5/102:20 p.m.
MEL
-
YYZ
2 stops30h 58m
Multiple Airlines
Deal found 27/7C$ 1,583

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 30 July 2026.

Round-trip from

C$ 1,297

One-way from

C$ 710

Popular in

December

Cheapest in

May

Average price

C$ 2,270

Good round-trip deal

C$ 2,489 or less

Good one-way deal

C$ 1,717 or less
Delta
  • Delta
  • 16/8-26/8
  • 4 total stops
  • 75h 15m total
  • Ontario to Australia
Search Deals
Delta
  • Delta
  • 19/8
  • 2 total stops
  • 28h 41m total
  • Ontario to Australia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 352 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 79 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Australia.
Search Deals
Price to beat on a one-way 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 July 2026.
Use the filters below to find and compare flights from Ontario to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Mon 17/8

5:50 p.m.-7:50 a.m.

2 stops24h 00m

Melbourne

Sun 30/8

10:00 a.m.-10:25 a.m.

2 stops38h 25m

C$ 1,297

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

6:51 p.m.-7:50 a.m.

2 stops46h 59m

Melbourne

Fri 21/8

10:00 a.m.-11:52 p.m.

2 stops27h 52m

C$ 1,298

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sat 29/8

9:15 a.m.-11:52 p.m.

2 stops28h 37m

C$ 1,600

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Tue 8/9

9:15 a.m.-11:58 a.m.

2 stops40h 43m

C$ 1,614

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 2/9

6:55 a.m.-9:25 a.m.

2 stops36h 30m

Sydney Kingsford Smith

Tue 15/9

11:45 a.m.-12:53 a.m.

2 stops27h 08m

C$ 1,742

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

8:50 p.m.-5:50 p.m.

1 stop29h 00m

Melbourne

Thu 25/2

4:10 p.m.-2:05 p.m.

1 stop37h 55m

C$ 1,748

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

9:35 p.m.-11:05 p.m.

1 stop34h 30m

Melbourne

Fri 30/10

11:40 p.m.-3:05 p.m.

1 stop30h 25m

C$ 1,749

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

8:50 p.m.-5:50 p.m.

1 stop29h 00m

Melbourne

Sat 27/2

5:10 p.m.-2:05 p.m.

1 stop36h 55m

C$ 1,802

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

5:00 a.m.-7:10 p.m.

2 stops48h 10m

Sydney Kingsford Smith

Mon 31/8

11:45 a.m.-1:09 a.m.

2 stops27h 24m

C$ 1,876

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

8:50 p.m.-6:45 p.m.

1 stop32h 55m

Perth

Tue 17/11

7:45 a.m.-2:05 p.m.

2 stops43h 20m

C$ 1,886

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 1,981). Flying from Region of Ontario to Australia in December is currently the most expensive (average of C$ 2,701). 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 July 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.

How far ahead should I book a flight from Region of Ontario to Australia?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 Delta, Qatar Airways, or Qantas Airways 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 Air Canada, with whom users have recently found tickets for as low as C$ 689. However, be on the lookout for offers from Delta and United Airlines, 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, April is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 1,981). Flying from Region of Ontario to Australia in December is currently the most expensive (average of C$ 2,701). 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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 211AverageC$ 462FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 258AverageC$ 394FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 382AverageC$ 1,362FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 402AverageC$ 1,282FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Fiji AirwaysCheapestC$ 974AverageC$ 1,564FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,200AverageC$ 2,204FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapestC$ 1,315AverageC$ 2,269FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,391AverageC$ 2,187FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapestC$ 1,474AverageC$ 2,288FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapestC$ 1,574AverageC$ 2,199FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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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