$699 Find Cheap Flights from Ontario to Australia – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Australia departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Ontario to Australia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ontario to Australia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ontario to Australia

Wed, 28 Oct - Sun, 15 Nov
Multiple Airlines Logo
07:00 - 19:45
ONT
-
SYD
18h 45m
1 stop
Multiple Airlines Logo
21:40 - 21:32
SYD
-
ONT
18h 52m
1 stop
$1,353Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
09:11 - 18:50
ONT
-
SYD
40h 39m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,436Multiple Airlines
Thu, 20 Aug - Sun, 23 Aug
Multiple Airlines Logo
09:31 - 18:50
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,444Multiple Airlines
Sun, 30 Aug - Sun, 6 Sep
Multiple Airlines Logo
09:31 - 18:50
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,446Multiple Airlines
Tue, 25 Aug - Sun, 30 Aug
Multiple Airlines Logo
09:31 - 18:50
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,449Multiple Airlines
Tue, 25 Aug - Sun, 30 Aug
Multiple Airlines Logo
09:31 - 18:50
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,454Multiple Airlines
Tue, 11 Aug - Tue, 25 Aug
Multiple Airlines Logo
09:11 - 18:50
ONT
-
SYD
40h 39m
1 stop
Multiple Airlines Logo
20:45 - 22:10
SYD
-
ONT
18h 25m
1 stop
$1,459Multiple Airlines
Sun, 27 Sep - Tue, 13 Oct
Multiple Airlines Logo
09:31 - 18:50
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
20:45 - 21:29
SYD
-
ONT
18h 44m
1 stop
$1,460Multiple Airlines
Mon, 10 Aug - Sun, 23 Aug
United Airlines Logo
18:39 - 08:15
ONT
-
MEL
20h 36m
1 stop
United Airlines Logo
10:55 - 12:12
MEL
-
ONT
18h 17m
1 stop
$1,510United Airlines
Sun, 9 Aug - Mon, 24 Aug
United Airlines Logo
18:39 - 08:15
ONT
-
MEL
20h 36m
1 stop
United Airlines Logo
10:55 - 12:12
MEL
-
ONT
18h 17m
1 stop
$1,512United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Australia flights

Get data-powered insights and trends into flights from Ontario to Australia to help you find the cheapest flights, the best time to fly, and much more.

How long does a flight from Ontario to Australia take?

The duration of a flight to Australia depends on your arrival airport. The shortest route to Australia from Ontario is to Brisbane, which takes 18h 17m.

Find deals

FAQs - booking Australia flights

  • How does KAYAK find such low prices on flights from Ontario to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ontario to Australia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Australia

Information on your arrival and departure airports

Ontario (ONT)