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Cheap flights from Ontario to Sydney from $691

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Sydney departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Find the cheapest flights from Ontario to Sydney

Cheap return flights

These are some of the best return flight deals from Ontario to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Sydney.

Cheap last-minute flights

Planning a quick getaway from Ontario to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Ontario to Sydney

Find recent round-trip train or bus tickets from Ontario to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
15:55 - 06:55ONT-SYD
22h 00m1 stop
10:20 - 09:59SYD-ONT
16h 39m1 stop
$1,538United Airlines
Find Deal
Tue, 29 Apr - Tue, 27 May
18:39 - 07:55ONT-SYD
19h 16m1 stop
10:20 - 17:51SYD-ONT
24h 31m1 stop
$1,551United Airlines
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Wed, 2 Apr - Wed, 23 Apr
19:40 - 06:20ONT-SYD
39h 40m1 stop
12:10 - 22:45SYD-ONT
28h 35m1 stop
$1,554United Airlines
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Sat, 15 Feb - Sat, 15 Mar
18:39 - 07:55ONT-SYD
19h 16m1 stop
10:20 - 15:17SYD-ONT
21h 57m2 stops
$1,557United Airlines
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Wed, 2 Apr - Wed, 23 Apr
06:00 - 06:35ONT-SYD
31h 35m2 stops
09:25 - 23:45SYD-ONT
31h 20m2 stops
$1,609Delta
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Thu, 8 May - Mon, 12 May
09:45 - 19:45ONT-SYD
39h 00m1 stop
21:40 - 21:50SYD-ONT
19h 10m1 stop
$1,623Hawaiian Airlines
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Sun, 9 Feb - Sun, 23 Feb
09:45 - 19:45ONT-SYD
39h 00m1 stop
21:40 - 21:50SYD-ONT
19h 10m1 stop
$1,668Hawaiian Airlines
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Sun, 9 Feb - Sun, 23 Feb
19:01 - 19:45ONT-SYD
29h 44m3 stops
21:40 - 11:02SYD-ONT
32h 22m2 stops
$2,288Alaska Airlines
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Thu, 6 Feb - Thu, 20 Feb
10:51 - 06:35ONT-SYD
24h 44m1 stop
11:50 - 18:35SYD-ONT
25h 45m1 stop
$2,741American Airlines
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Sun, 23 Feb - Tue, 4 Mar
10:05 - 06:35ONT-SYD
25h 30m2 stops
11:50 - 18:35SYD-ONT
25h 45m1 stop
$2,822American Airlines
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Fri, 21 Feb - Tue, 4 Mar
08:50 - 15:45ONT-SYD
36h 55m1 stop
Fri, 4 Apr
13:21 - 08:35ONT-SYD
24h 14m2 stops
$723Delta
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Tue, 4 Feb
18:38 - 09:15ONT-SYD
19h 37m1 stop
$761United Airlines
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Sun, 2 Feb
06:00 - 07:00ONT-SYD
30h 00m1 stop
$764United Airlines
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Tue, 4 Feb
06:00 - 09:15ONT-SYD
32h 15m2 stops
$768United Airlines
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Thu, 20 Feb
09:45 - 19:45ONT-SYD
39h 00m1 stop
$967Hawaiian Airlines
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Sun, 2 Feb
09:45 - 19:45ONT-SYD
39h 00m1 stop
$971Hawaiian Airlines
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Sun, 2 Feb
16:06 - 19:45ONT-SYD
56h 39m2 stops
$1,823Alaska Airlines
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Sat, 18 Jan
23:45 - 12:10ONT-SYD
42h 25m1 stop
$1,908China Airlines
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Tue, 11 Mar
23:45 - 12:10ONT-SYD
42h 25m1 stop
$1,927China Airlines
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Thu, 13 Mar
06:10 - 07:00ONT-SYD
29h 50m1 stop
16:15 - 23:00SYD-ONT
25h 45m1 stop
$1,596United Airlines
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Wed, 25 Dec - Tue, 31 Dec
13:57 - 06:20ONT-SYD
21h 23m1 stop
11:50 - 21:57SYD-ONT
29h 07m1 stop
$1,597United Airlines
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Wed, 25 Dec - Sun, 26 Jan
05:05 - 09:15ONT-SYD
33h 10m2 stops
12:10 - 09:58SYD-ONT
16h 48m1 stop
$1,602United Airlines
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Wed, 25 Dec - Tue, 31 Dec
06:10 - 07:00ONT-SYD
29h 50m1 stop
12:10 - 20:51SYD-ONT
27h 41m2 stops
$1,605United Airlines
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Wed, 25 Dec - Sun, 26 Jan
22:45 - 12:10ONT-SYD
42h 25m1 stop
22:10 - 16:50SYD-ONT
37h 40m1 stop
$4,146China Airlines
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Thu, 26 Dec - Fri, 17 Jan
14:50 - 13:00ONT-SYD
27h 10m2 stops
14:00 - 09:56SYD-ONT
38h 56m2 stops
$4,196
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Thu, 26 Dec - Tue, 31 Dec
07:15 - 06:10ONT-SYD
27h 55m2 stops
21:25 - 23:00SYD-ONT
20h 35m1 stop
$4,724
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Wed, 25 Dec - Sun, 29 Dec
22:45 - 12:10ONT-SYD
42h 25m1 stop
22:10 - 16:50SYD-ONT
37h 40m1 stop
$5,075China Airlines
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Tue, 24 Dec - Mon, 30 Dec
06:00 - 18:50ONT-SYD
41h 50m2 stops
21:40 - 17:09SYD-ONT
38h 29m2 stops
$6,543Qatar Airways
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Wed, 25 Dec - Tue, 31 Dec
06:00 - 18:50ONT-SYD
41h 50m2 stops
21:40 - 19:38SYD-ONT
40h 58m2 stops
$6,623Qatar Airways
Find Deal
Wed, 25 Dec - Fri, 27 Dec

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets
United Airlines
29 Apr
ONT15:55Ontario
22h 00m
1 stop
SYD06:55Sydney Kingsford Smith
27 May
SYD10:20Sydney Kingsford Smith
16h 39m
1 stop
ONT09:59Ontario
United Airlines
2 Apr
ONT18:39Ontario
19h 16m
1 stop
SYD07:55Sydney Kingsford Smith
23 Apr
SYD10:20Sydney Kingsford Smith
24h 31m
1 stop
ONT17:51Ontario
United Airlines
15 Feb
ONT19:40Ontario
39h 40m
1 stop
SYD06:20Sydney Kingsford Smith
15 Mar
SYD12:10Sydney Kingsford Smith
28h 35m
1 stop
ONT22:45Ontario

Hawaiian Airlines flights from Ontario to Sydney

Our best Hawaiian Airlines deals on Ontario to Sydney flight tickets
Hawaiian Airlines
9 Feb
ONT09:45Ontario
39h 00m
1 stop
SYD19:45Sydney Kingsford Smith
23 Feb
SYD21:40Sydney Kingsford Smith
19h 10m
1 stop
ONT21:50Ontario
Hawaiian Airlines
9 Feb
ONT09:45Ontario
39h 00m
1 stop
SYD19:45Sydney Kingsford Smith
23 Feb
SYD21:40Sydney Kingsford Smith
19h 10m
1 stop
ONT21:50Ontario
Hawaiian Airlines
9 Feb
ONT09:45Ontario
39h 00m
1 stop
SYD19:45Sydney Kingsford Smith
23 Feb
SYD21:40Sydney Kingsford Smith
19h 10m
1 stop
ONT21:50Ontario

See travel insights to Sydney from

How to get the cheapest flight ticket from Ontario to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Ontario, with most prices found around $1,430. If you aren’t able to travel to Sydney during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,486.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,493. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,703.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Ontario to Sydney in the afternoon for as low as $1,547. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $2,051 on average. Flights to Sydney from Ontario at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Can stopping save me money on Ontario to Sydney flights?

You could potentially save up to 5% on your flight if you consider stops on a Ontario to Sydney flight.

When to book flights from Ontario to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ontario to Sydney (ONT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Sydney

Best price found

$691

Fastest flight time

17h 37m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Ontario in the past 72 hours is $691. The best return flight deal from Ontario to Sydney found on momondo in the last 72 hours is $1,538.
The fastest flight from Ontario to Sydney takes 17h 37m
There are no direct flights from Ontario to Sydney. Popular non-direct route for this connection is Ontario Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Ontario to Sydney Kingsford Smith by plane?

    The distance between Ontario and Sydney Kingsford Smith is about 12114.1 km. Flights usually cover this in 17h 37m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Ontario Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Sydney with flexible booking policies on momondo?

Flights from Ontario to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Sydney?

momondo helps you find the best flight between Ontario and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.


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