$506 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 8/11. 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$997
Brisbane
Brisbane2 stops$1,065
Perth
Perth3 stops$1,451
Sydney
Sydney1 stop$997
Brisbane
Brisbane2 stops$1,065
Perth
Perth3 stops$1,451

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

Wed, Oct 21 - Tue, Oct 27
Multiple Airlines Logo
7:00 am - 6:50 pm
ONT
-
SYD
17h 50m
1 stop
Multiple Airlines Logo
9:40 pm - 9:01 pm
SYD
-
ONT
17h 21m
1 stop
$997Multiple 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
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
$1,015Multiple Airlines
Mon, Oct 19 - Thu, Oct 29
Multiple Airlines Logo
7:00 am - 6:50 pm
ONT
-
SYD
17h 50m
1 stop
Multiple Airlines Logo
9:40 pm - 9:01 pm
SYD
-
ONT
17h 21m
1 stop
$1,027Multiple Airlines
Wed, Oct 14 - Thu, Nov 19
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
$1,028Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Delta Logo
6:00 am - 6:50 am
ONT
-
SYD
31h 50m
2 stops
Delta Logo
9:15 am - 4:24 pm
SYD
-
ONT
24h 09m
2 stops
$1,048Delta
Mon, Aug 10 - Mon, Aug 24
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
$1,087United Airlines
Mon, Aug 10 - Mon, Aug 24
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
$1,088United Airlines
Mon, Aug 31 - Mon, Nov 16
American Airlines Logo
12:33 pm - 3:05 pm
ONT
-
OOL
33h 32m
2 stops
American Airlines Logo
6:00 am - 4:01 pm
OOL
-
ONT
28h 01m
3 stops
$1,300American Airlines
Mon, Aug 31 - Mon, Nov 16
American Airlines Logo
2:27 pm - 10:40 am
ONT
-
OOL
27h 13m
3 stops
American Airlines Logo
6:00 am - 4:01 pm
OOL
-
ONT
28h 01m
3 stops
$1,301American 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.

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 ($1,088).

Find deals

Good to know

Cheapest flight$506
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)