ONT - SYD

$567 Find Cheap Flights from Ontario to Sydney

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 Sydney departing on 4/26. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Sydney, as well as popular online travel agencies
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$1,054
Multiple Airlines
Fri 8/7Fri 8/14
ONT - SYD • 1 stop
Cheapest one-way
$566
American Airlines
Sun 4/26
ONT - SYD • 2 stops
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We hope you love your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Sydney (ONT-SYD)

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

Fri, Aug 7 - Fri, Aug 14
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 10:20 pm
SYD
-
ONT
18h 35m
1 stop
$1,054Multiple Airlines
Fri, Aug 7 - Thu, Aug 20
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 9:28 pm
SYD
-
ONT
17h 43m
1 stop
$1,068Multiple Airlines
Fri, Aug 14 - Sun, Aug 30
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 9:28 pm
SYD
-
ONT
17h 43m
1 stop
$1,069Multiple Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
8:41 am - 7:45 pm
ONT
-
SYD
40h 04m
1 stop
Multiple Airlines Logo
9:40 pm - 8:55 pm
SYD
-
ONT
17h 15m
1 stop
$1,071Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 10:20 pm
SYD
-
ONT
18h 35m
1 stop
$1,080Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
8:41 am - 7:45 pm
ONT
-
SYD
40h 04m
1 stop
Multiple Airlines Logo
9:40 pm - 10:15 pm
SYD
-
ONT
19h 35m
1 stop
$1,085Multiple Airlines
Fri, Feb 27 - Sat, Mar 14
Multiple Airlines Logo
8:41 am - 7:45 pm
ONT
-
SYD
40h 04m
1 stop
Multiple Airlines Logo
9:40 pm - 8:55 pm
SYD
-
ONT
17h 15m
1 stop
$1,086Multiple Airlines
Wed, Aug 5 - Sat, Aug 8
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 10:20 pm
SYD
-
ONT
18h 35m
1 stop
$1,129Multiple Airlines
Sat, Aug 1 - Sat, Aug 15
Multiple Airlines Logo
7:50 am - 6:50 pm
ONT
-
SYD
18h 00m
1 stop
Multiple Airlines Logo
8:45 pm - 10:20 pm
SYD
-
ONT
18h 35m
1 stop
$1,144Multiple Airlines
Mon, Mar 16 - Wed, Mar 18
United Airlines Logo
1:40 pm - 9:15 am
ONT
-
SYD
25h 35m
1 stop
United Airlines Logo
1:00 pm - 12:18 pm
SYD
-
ONT
41h 18m
2 stops
$1,154United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Sydney flights

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

What is the most popular layover airport when flying from Ontario to Sydney?

Percentage of 1-stop round-trip flights from Ontario to Sydney chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

San Francisco (SFO) is the top choice – 77% of KAYAK users who clicked on 1-stop flights from Ontario to Sydney picked an itinerary connecting there.

What is the cheapest layover airport when flying from Ontario to Sydney?

Average round-trip price for 1-stop flights from Ontario to Sydney clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Auckland (AKL) offer the most affordable fares, with an average round-trip price of $873.

Which layover airport offers the shortest total travel time from Ontario to Sydney?

Shortest average total travel time for 1-stop one-way flights from Ontario to Sydney via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via San Francisco (SFO) for the shortest journey. The average one-way travel time for flights connecting there is 19h 38m.

Which layover airport has the quickest connection when flying from Ontario to Sydney?

Average layover duration at different layover airports for 1-stop one-way flights from Ontario to Sydney, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, San Francisco (SFO) often has the shortest layovers from Ontario to Sydney, with an average of 3h 15m.

Find deals

Good to know

Cheapest flight$566
Flight from Ontario to Sydney

When to book flights from Ontario to Sydney

Are your dates flexible? Find out the best times to travel from Ontario to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Sydney

  • What is the cheapest flight from Ontario to Sydney?

    In the last 3 days, the lowest price for a flight from Ontario to Sydney was $567 for a one-way ticket and $1,054 for a round-trip.

  • Do I need a passport to fly between Ontario and Sydney?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Ontario and on arrival in Sydney.

  • Which aircraft models fly most regularly from Ontario to Sydney?

    We unfortunately don’t have that data for this specific route.

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

    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 Sydney.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Ontario 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 Sydney?

    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 to Sydney with an airline and back to Ontario with another airline. Booking your flights between Ontario and SYD can sometimes prove cheaper using this method.

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

    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 to Sydney from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Ontario to Sydney?

    In the past 3 days, the cheapest round-trip tickets from Ontario to Sydney were found on United Airlines ($1,154) and Air New Zealand ($1,271).

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

Information on your arrival and departure airports

Ontario (ONT)
Sydney (SYD)