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Cheap flights from Ontario to Australia from C$ 778

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
28 May — 4 Jun1
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 28 April 2026.

Sun 26/46:27 p.m.
YYZ
-
MEL
2 stops47h 23m
Delta
Wed 13/510:00 a.m.
MEL
-
YYZ
2 stops27h 58m
Delta
Deal found 25/4C$ 1,365
Sun 10/56:51 p.m.
YUL
-
MEL
2 stops46h 59m
Delta
Sun 24/510:00 a.m.
MEL
-
YUL
2 stops39h 30m
Delta
Deal found 24/4C$ 1,366
Mon 1/69:49 a.m.
YYZ
-
MEL
2 stops32h 01m
Delta
Sun 2/810:00 a.m.
MEL
-
YYZ
2 stops26h 01m
Delta
Deal found 23/4C$ 1,367
Wed 29/47:00 a.m.
YUL
-
MEL
2 stops34h 50m
Delta
Fri 15/510:00 a.m.
MEL
-
YUL
2 stops51h 57m
Delta
Deal found 26/4C$ 1,369
Sun 6/97:15 a.m.
YUL
-
SYD
3 stops38h 35m
Multiple Airlines
Sun 20/91:15 p.m.
SYD
-
YUL
3 stops31h 50m
Multiple Airlines
Deal found 26/4C$ 1,542
Sat 3/1010:00 a.m.
YYZ
-
MEL
3 stops36h 00m
Multiple Airlines
Sat 17/102:30 p.m.
MEL
-
YYZ
3 stops31h 25m
Multiple Airlines
Deal found 24/4C$ 1,544
Wed 5/810:50 a.m.
YYZ
-
MEL
3 stops35h 10m
Multiple Airlines
Wed 26/81:25 p.m.
MEL
-
YYZ
3 stops31h 30m
Multiple Airlines
Deal found 24/4C$ 1,554
Fri 7/87:00 a.m.
YUL
-
MEL
2 stops34h 50m
Delta
Sun 6/910:00 a.m.
MEL
-
YUL
2 stops27h 10m
Delta
Deal found 27/4C$ 1,584
Fri 21/86:15 a.m.
YYZ
-
MEL
3 stops39h 45m
Multiple Airlines
Wed 9/91:25 p.m.
MEL
-
YYZ
3 stops30h 20m
Multiple Airlines
Deal found 27/4C$ 1,589
Sun 13/910:00 a.m.
YYZ
-
MEL
3 stops36h 25m
Multiple Airlines
Sun 27/91:30 p.m.
MEL
-
YYZ
3 stops30h 15m
Multiple Airlines
Deal found 24/4C$ 1,591
Thu 15/106:15 a.m.
YYZ
-
MEL
3 stops39h 45m
Multiple Airlines
Thu 12/111:55 p.m.
MEL
-
YYZ
3 stops32h 18m
Multiple Airlines
Deal found 26/4C$ 1,613
Tue 13/1010:00 a.m.
YYZ
-
MEL
3 stops36h 00m
Multiple Airlines
Sat 31/101:55 p.m.
MEL
-
YYZ
3 stops31h 18m
Multiple Airlines
Deal found 25/4C$ 1,643

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 28 April 2026.

Round-trip from

C$ 1,365

One-way from

C$ 778

Popular in

December

Cheapest in

March

Average price

C$ 2,114

Good round-trip deal

C$ 2,222 or less

Good one-way deal

C$ 1,159 or less
Delta
  • Delta
  • 4/5-22/5
  • 4 total stops
  • 62h 03m total
  • Ontario to Australia
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 35h 00m total
  • Ontario to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 28 April 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

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

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

2 stops34h 50m

Melbourne

Fri 8/5

10:00 a.m.-11:41 p.m.

2 stops27h 41m

C$ 1,366

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

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

2 stops46h 59m

Melbourne

Sun 24/5

10:00 a.m.-11:57 p.m.

2 stops27h 57m

C$ 1,366

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

12:40 p.m.-7:50 a.m.

2 stops53h 10m

Melbourne

Sun 31/5

10:00 a.m.-11:57 p.m.

2 stops27h 57m

C$ 1,649

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

12:49 p.m.-6:50 a.m.

2 stops28h 01m

Sydney Kingsford Smith

Sun 24/5

9:15 a.m.-11:49 a.m.

2 stops40h 34m

C$ 1,705

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

2 stops33h 50m

Sydney Kingsford Smith

Wed 27/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,707

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 24/7

1:38 p.m.-6:50 a.m.

2 stops27h 12m

Sydney Kingsford Smith

Tue 11/8

9:15 a.m.-12:04 a.m.

2 stops28h 49m

C$ 1,773

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 30/5

12:05 p.m.-6:50 a.m.

2 stops28h 45m

Sydney Kingsford Smith

Sun 14/6

9:15 a.m.-11:14 p.m.

2 stops27h 59m

C$ 1,773

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Wed 2/9

6:10 p.m.-5:30 p.m.

2 stops33h 20m

Brisbane

Wed 14/10

3:10 p.m.-3:00 p.m.

1 stop37h 50m

C$ 1,982

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

9:35 p.m.-10:05 p.m.

2 stops34h 30m

Melbourne

Sun 24/5

10:45 p.m.-4:10 p.m.

1 stop31h 25m

C$ 2,000

TorontoMelbourne

YYZ - AVV

YYZAVV

Toronto Pearson Intl

Wed 21/10

7:00 p.m.-4:05 p.m.

2 stops30h 05m

Melbourne Avalon

Tue 3/11

6:00 a.m.-4:29 p.m.

2 stops26h 29m

C$ 2,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

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

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

Booking 37 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.

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

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 1,949). Flying from Region of Ontario to Australia in July is currently the most expensive (average of C$ 2,745). 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 28 April 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.

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 22h 27m. Fly via Delta, Qatar Airways, or Qantas Airways to get the fastest option. There are 15545 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$ 667. 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, March is the cheapest month in which you can book a flight from Region of Ontario to Australia (average of C$ 1,949). Flying from Region of Ontario to Australia in July is currently the most expensive (average of C$ 2,745). 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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Vancouver Intl to Melbourne flights
Pearson Intl to Sydney flights
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Ottawa to Melbourne flights
Pierre Elliott Trudeau Intl to Tontouta flights
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Calgary to Perth flights

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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 218AverageC$ 319FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 249AverageC$ 357FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 369AverageC$ 1,298FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 389AverageC$ 1,630FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 531AverageC$ 2,276FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Fiji AirwaysCheapestC$ 943AverageC$ 1,255FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,162AverageC$ 2,280FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
China EasternCheapestC$ 1,163AverageC$ 2,388FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air New ZealandCheapestC$ 1,268AverageC$ 2,068FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Cathay PacificCheapestC$ 1,458AverageC$ 2,088FlexibilityNo 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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