$635 Find Cheap Flights from Ontario to Australia

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 9/3. 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

Sun, 15 Mar - Sun, 22 Mar
United Airlines Logo
18:37 - 06:30
ONT
-
BNE
18h 53m
1 stop
United Airlines Logo
10:40 - 12:18
BNE
-
ONT
18h 38m
1 stop
$1,233United Airlines
Sun, 15 Mar - Sun, 22 Mar
United Airlines Logo
05:15 - 06:30
ONT
-
BNE
32h 15m
2 stops
United Airlines Logo
10:40 - 12:18
BNE
-
ONT
18h 38m
1 stop
$1,238United Airlines
Mon, 16 Mar - Mon, 23 Mar
United Airlines Logo
05:15 - 06:30
ONT
-
BNE
32h 15m
2 stops
United Airlines Logo
10:40 - 12:18
BNE
-
ONT
18h 38m
1 stop
$1,240United Airlines
Mon, 16 Mar - Mon, 23 Mar
United Airlines Logo
05:15 - 06:30
ONT
-
BNE
32h 15m
2 stops
United Airlines Logo
10:40 - 12:49
BNE
-
ONT
43h 09m
2 stops
$1,258United Airlines
Wed, 15 Apr - Sun, 26 Apr
United Airlines Logo
18:49 - 08:15
ONT
-
MEL
20h 26m
1 stop
United Airlines Logo
10:55 - 12:20
MEL
-
ONT
18h 25m
1 stop
$1,407United Airlines
Sat, 14 Mar - Thu, 30 Apr
United Airlines Logo
18:37 - 09:00
ONT
-
MEL
20h 23m
1 stop
United Airlines Logo
10:55 - 12:22
MEL
-
ONT
18h 27m
1 stop
$1,408United Airlines
Mon, 13 Apr - Mon, 20 Apr
Delta Logo
06:00 - 06:50
ONT
-
SYD
31h 50m
2 stops
Delta Logo
09:15 - 23:44
SYD
-
ONT
31h 29m
2 stops
$1,431Delta
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
08:00 - 18:50
ONT
-
SYD
17h 50m
1 stop
Multiple Airlines Logo
20:45 - 21:28
SYD
-
ONT
17h 43m
1 stop
$1,481Multiple Airlines
Sat, 29 Aug - Tue, 15 Sep
Multiple Airlines Logo
08:00 - 18:50
ONT
-
SYD
17h 50m
1 stop
Multiple Airlines Logo
20:45 - 21:28
SYD
-
ONT
17h 43m
1 stop
$1,491Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Air Canada Logo
13:27 - 15:55
ONT
-
CNS
33h 28m
3 stops
Air Canada Logo
06:00 - 20:36
CNS
-
ONT
31h 36m
3 stops
$3,203Air Canada
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.

Which airlines provide the cheapest flights from Ontario to Australia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Ontario to Australia were found on United Airlines ($1,231) and Delta ($1,431).

Find deals

Good to know

Cheapest flight$635
Flight from Ontario to Brisbane

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)