$620 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 18/9. 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

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Best Australia Flight Deals from Ontario

Cheapest return prices found by our users on KAYAK in the last 72 hours
Brisbane
Brisbane1 stop$1,638
Brisbane
Brisbane1 stop$1,638

Cheap Flights from Ontario to Australia

 
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

Thu, 25 Sep - Mon, 6 Oct
United Airlines Logo
18:36 - 06:55ONT-SYD
19h 19m1 stop
United Airlines Logo
11:20 - 12:13SYD-ONT
18h 53m1 stop
$1,450United Airlines
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Sat, 23 Aug - Thu, 4 Sep
United Airlines Logo
18:50 - 06:55ONT-SYD
19h 05m1 stop
United Airlines Logo
10:20 - 12:13SYD-ONT
18h 53m1 stop
$1,461United Airlines
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Fri, 1 Aug - Fri, 8 Aug
Logo
18:58 - 14:40ONT-SYD
50h 42m2 stops
Logo
16:20 - 21:27SYD-ONT
22h 07m1 stop
$1,645
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Thu, 11 Sep - Sat, 8 Nov
Alaska Airlines Logo
08:35 - 19:45ONT-SYD
18h 10m1 stop
Alaska Airlines Logo
21:40 - 17:14SYD-ONT
38h 34m1 stop
$1,655Alaska Airlines
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Fri, 1 Aug - Fri, 8 Aug
Logo
10:03 - 19:15ONT-SYD
40h 12m2 stops
Logo
16:20 - 21:27SYD-ONT
22h 07m1 stop
$1,675
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Sun, 14 Sep - Sun, 9 Nov
Alaska Airlines Logo
10:09 - 19:45ONT-SYD
40h 36m1 stop
Alaska Airlines Logo
21:40 - 17:14SYD-ONT
38h 34m1 stop
$1,679Alaska Airlines
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Tue, 28 Oct - Tue, 11 Nov
American Airlines Logo
15:00 - 06:30ONT-BNE
22h 30m1 stop
American Airlines Logo
09:45 - 13:42BNE-ONT
21h 57m1 stop
$1,907American Airlines
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Fri, 5 Sep - Sat, 20 Sep
Hawaiian Airlines Logo
08:35 - 19:45ONT-SYD
18h 10m1 stop
Hawaiian Airlines Logo
21:40 - 10:44SYD-ONT
30h 04m2 stops
$1,984Hawaiian Airlines
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Wed, 3 Sep - Thu, 18 Sep
Hawaiian Airlines Logo
08:35 - 19:45ONT-SYD
18h 10m1 stop
Hawaiian Airlines Logo
21:40 - 10:44SYD-ONT
30h 04m2 stops
$1,999Hawaiian Airlines
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Sat, 25 Oct - Sun, 9 Nov
American Airlines Logo
23:59 - 05:00ONT-MEL
35h 01m1 stop
American Airlines Logo
16:05 - 23:45MEL-ONT
26h 40m1 stop
$2,059American Airlines
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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 ($1,450) and Alaska Airlines ($1,655).

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Good to know

Low seasonFebruary
High seasonFebruary
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 24% lower on average.

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)

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