Cheap flights from Ontario (ONT) to Sydney (SYD)

ONT — SYD
Oct 11 — Oct 181

What is the cheapest day to fly round-trip from Ontario to Sydney?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 104% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ontario to Sydney?

To save on the cost of your flight from Ontario to Sydney, book at least 61 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,230 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,320.

What is the cheapest month to fly from Ontario to Sydney?

October can be a great time to fly to Sydney from Ontario with a flight ticket averaging about $1,091. Cheapflights users have found deals in the month of October for as cheap as $859. The most expensive prices can be found in the month of January.

When is the cheapest time to fly from Ontario to Sydney (ONT - SYD)?

One of the essential ways to save on airfare from Ontario to Sydney is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

Cheap flights from Ontario to Sydney in October, November 2022

The best prices found for ONT to SYD flights for October, November
Oct 28 - Nov 22
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

22h 47m
$1,505

Multiple Airlines

Pick Dates

Deal found 10/5/22

Oct 13 - Nov 14
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 14m
$1,612

Multiple Airlines

Pick Dates

Deal found 10/4/22

Oct 28 - Nov 19
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

17h 10m
$1,634

Hawaiian Airlines

Pick Dates

Deal found 10/6/22

Ontario to Sydney 2022 flight deals

Cheap flights to Sydney from Ontario found for this year
Oct 28 - Nov 22
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

22h 47m
$1,505

Multiple Airlines

Pick Dates

Deal found 10/5/22

Oct 13 - Nov 14
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 14m
$1,612

Multiple Airlines

Pick Dates

Deal found 10/4/22

Oct 28 - Nov 19
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

17h 10m
$1,634

Hawaiian Airlines

Pick Dates

Deal found 10/6/22

Cheap United Airlines flights from Ontario to Sydney

Apr 4 - Apr 24
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

17h 40m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 42m
$1,210

United Airlines

Pick Dates

Deal found 10/5/22

Mar 19 - Apr 5
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

22h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

16h 28m
$1,284

United Airlines

Pick Dates

Deal found 10/4/22

Apr 2 - Apr 23
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

19h 48m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

16h 28m
$1,285

United Airlines

Pick Dates

Deal found 10/3/22

Cheap Hawaiian Airlines flights from Ontario to Sydney

Mar 14 - Mar 28
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

40h 00m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

17h 40m
$1,310

Hawaiian Airlines

Pick Dates

Deal found 10/5/22

Mar 14 - Mar 18
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

40h 00m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 15m
$1,373

Hawaiian Airlines

Pick Dates

Deal found 10/5/22

Oct 24 - Nov 8
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

17h 10m
$1,425

Hawaiian Airlines

Pick Dates

Deal found 10/3/22

Last minute flights from Ontario to Sydney

Late deals on return flights to Sydney from Ontario, departing today and this week
Oct 13 - Nov 14
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 14m
$1,612

Multiple Airlines

Pick Dates

Deal found 10/4/22

Oct 14 - Nov 14
ONT

Ontario

SYD

Sydney Kingsford Smith

2 stops

35h 15m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

18h 14m
$1,897

Multiple Airlines

Pick Dates

Deal found 10/4/22

Oct 12 - Nov 8
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
SYD

Sydney Kingsford Smith

ONT

Ontario

1 stop

17h 10m
$1,918

Hawaiian Airlines

Pick Dates

Deal found 10/3/22

One-way flights to Sydney from Ontario

The cheapest one-way flights from Ontario to Sydney
Oct 28
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
$856

Hawaiian Airlines

Pick Dates

Deal found 10/4/22

Oct 29
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
$857

Hawaiian Airlines

Pick Dates

Deal found 10/4/22

Oct 27
ONT

Ontario

SYD

Sydney Kingsford Smith

1 stop

18h 05m
$871

Hawaiian Airlines

Pick Dates

Deal found 10/5/22

Related info for your journey

Useful info, stats and facts about Ontario to Sydney flights.

Which airlines flying from Ontario to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Sydney Kingsford Smith that may be offering flexible cancellation policies are United Airlines and Hawaiian Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to Sydney for under $1,300 on Cheapflights?

Yes, there are multiple flights from Ontario to Sydney for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,210, but on average you can expect to pay $1,437.

Are there last-minute flights available from Ontario to Sydney for under $1,700?

There are currently 20+ open flights from Ontario to Sydney within the next 7 days for less than $1,700.

What are the cheapest airlines flying from Ontario to Sydney round-trip?

Cheapflights users have booked flights from Ontario to Sydney round-trip from $1,210. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $1,310, and American Airlines, from $1,531. United Airlines is 12% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Sydney one-way?

$856 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $902 and $985, respectively.

What are the most popular airlines that fly from Ontario to Sydney?

The most popular airlines flying from Ontario to Sydney are Hawaiian Airlines, Qantas Airways and United Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from Ontario to Sydney?

While on average a flight from Ontario to Sydney is generally $3,122, our data shows the cheapest flight currently is $665. When looking at the most popular route, (Ontario - Sydney Kingsford Smith), you can expect to pay $1,332 for that flight.

Alternative routes for Ontario to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Sydney

The chart below displays the airlines Cheapflights users traveling from Ontario to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$1,461Average$1,971FlexibilityNo cancel feeOn-time69%COVID-19 safety
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