$498 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 10/28. 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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Cheap Flights from Ontario to Australia

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Sydney
Sydney1 stop$965
Brisbane
Brisbane1 stop$1,090
Perth
Perth2 stops$1,482
Sydney
Sydney1 stop$965
Brisbane
Brisbane1 stop$1,090
Perth
Perth2 stops$1,482

Book Cheap Ontario to Australia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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 round-trip flight deals from Ontario to Australia

Mon, Oct 19 - Sun, Nov 1
Multiple Airlines Logo
7:00 am - 6:50 pm
ONT
-
SYD
17h 50m
1 stop
Multiple Airlines Logo
9:40 pm - 9:32 pm
SYD
-
ONT
18h 52m
1 stop
$965Multiple Airlines
Tue, Aug 25 - Sun, Sep 6
Multiple Airlines Logo
9:31 am - 6:50 pm
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
8:45 pm - 10:10 pm
SYD
-
ONT
18h 25m
1 stop
$1,002Multiple Airlines
Tue, Sep 29 - Tue, Oct 13
Multiple Airlines Logo
9:31 am - 6:50 pm
ONT
-
SYD
40h 19m
1 stop
Multiple Airlines Logo
8:45 pm - 9:22 pm
SYD
-
ONT
18h 37m
1 stop
$1,004Multiple Airlines
Thu, Jul 30 - Sun, Aug 23
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
Multiple Airlines Logo
8:45 pm - 10:10 pm
SYD
-
ONT
18h 25m
1 stop
$1,009Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
Multiple Airlines Logo
8:45 pm - 10:10 pm
SYD
-
ONT
18h 25m
1 stop
$1,014Multiple Airlines
Wed, Aug 19 - Wed, Sep 9
Delta Logo
1:06 pm - 7:50 am
ONT
-
MEL
25h 44m
2 stops
Delta Logo
10:00 am - 10:04 pm
MEL
-
ONT
29h 04m
2 stops
$1,060Delta
Tue, Aug 25 - Wed, Sep 9
Delta Logo
5:05 pm - 7:50 am
ONT
-
MEL
45h 45m
2 stops
Delta Logo
10:00 am - 10:04 pm
MEL
-
ONT
29h 04m
2 stops
$1,073Delta
Mon, Aug 10 - Wed, Aug 26
United Airlines Logo
6:39 pm - 8:15 am
ONT
-
MEL
20h 36m
1 stop
United Airlines Logo
10:55 am - 12:12 pm
MEL
-
ONT
18h 17m
1 stop
$1,089United Airlines
Fri, Aug 7 - Fri, Aug 21
United Airlines Logo
6:39 pm - 6:30 am
ONT
-
BNE
18h 51m
1 stop
United Airlines Logo
10:30 am - 12:12 pm
BNE
-
ONT
18h 42m
1 stop
$1,090United Airlines
Sat, Nov 7 - Fri, Jan 29
Qatar Airways Logo
7:00 am - 4:30 pm
ONT
-
ADL
39h 00m
2 stops
Qatar Airways Logo
10:00 pm - 5:22 pm
ADL
-
ONT
61h 52m
2 stops
$1,769Qatar Airways
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 5 days.

In the past 5 days, the cheapest round-trip tickets from Ontario to Australia were found on Delta ($1,060) and United Airlines ($1,089).

Find deals

Good to know

Cheapest flight$498
Flight from Ontario to Sydney

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 travelers 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 round-trip 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)