What is the cheapest airline that flies from Ontario to Sydney Kingsford Smith?

Delta and American Airlines are the most popular carriers operating from Ontario to Sydney Kingsford Smith

What airlines fly to Sydney?

Qantas Airways, Fiji Airways and United Airlines are the top three most popular airlines that fly to Sydney from Ontario according to our data. Qantas Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 13 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 updated daily.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$507 Cheap Flights from Ontario to Sydney in 2026

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Find the cheapest flights from Ontario to Sydney

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,046Multiple Airlines

Sat, Jul 4 - Tue, Jul 7

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,063Multiple Airlines

Mon, Jun 29 - Fri, Jul 31

8:41 am - 7:45 pm

ONT

SYD

40h 04m

1 stop

9:40 pm - 8:55 pm

SYD

ONT

17h 15m

1 stop

$1,067Multiple Airlines

Wed, Mar 4 - Tue, Mar 10

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

9:40 pm - 10:28 pm

SYD

ONT

19h 48m

1 stop

$1,070Hawaiian Airlines

Tue, Feb 3 - Sat, Feb 7

8:41 am - 7:45 pm

ONT

SYD

40h 04m

1 stop

9:40 pm - 8:55 pm

SYD

ONT

17h 15m

1 stop

$1,077Multiple Airlines

Wed, Mar 4 - Tue, Mar 10

9:30 am - 6:50 pm

ONT

SYD

40h 20m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,080Multiple Airlines

Thu, Jun 4 - Sun, Jun 14

8:41 am - 7:45 pm

ONT

SYD

40h 04m

1 stop

9:40 pm - 8:55 pm

SYD

ONT

17h 15m

1 stop

$1,090Multiple Airlines

Sun, Mar 1 - Sun, Mar 15

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,138Multiple Airlines

Sat, Jun 13 - Tue, Jun 23

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

9:40 pm - 10:28 pm

SYD

ONT

19h 48m

1 stop

$1,155Multiple Airlines

Sun, Feb 1 - Tue, Feb 10

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,167Multiple Airlines

Thu, Jul 9 - Fri, Jul 24

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets

United Airlines

Feb 5

ONT6:39 pmOntario

19h 36m

1 stop

SYD9:15 amSydney Kingsford Smith

Feb 9

SYD12:10 pmSydney Kingsford Smith

18h 08m

1 stop

ONT11:18 amOntario

$1,210

United Airlines

Jan 24

ONT1:53 pmOntario

21h 27m

1 stop

SYD6:20 amSydney Kingsford Smith

Feb 6

SYD12:10 pmSydney Kingsford Smith

18h 08m

1 stop

ONT11:18 amOntario

$1,214

United Airlines

Feb 9

ONT1:53 pmOntario

21h 27m

1 stop

SYD6:20 amSydney Kingsford Smith

Feb 18

SYD12:10 pmSydney Kingsford Smith

19h 38m

1 stop

ONT12:48 pmOntario

$1,215

Hawaiian Airlines flights from Ontario to Sydney

Our best Hawaiian Airlines deals on Ontario to Sydney flight tickets

Hawaiian Airlines

Feb 3

ONT8:13 amOntario

40h 32m

1 stop

SYD7:45 pmSydney Kingsford Smith

Feb 7

SYD9:40 pmSydney Kingsford Smith

19h 48m

1 stop

ONT10:28 pmOntario

$1,070

Hawaiian Airlines

Feb 28

ONT4:02 pmOntario

56h 43m

2 stops

SYD7:45 pmSydney Kingsford Smith

Mar 10

SYD9:40 pmSydney Kingsford Smith

17h 15m

1 stop

ONT8:55 pmOntario

$1,334

Fly from

Fly to

Route

Depart

Return

Price

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 7/4

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Tue 7/7

8:45 pm-10:20 pm

1 stop18h 35m

$1,046

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 6/29

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Fri 7/31

8:45 pm-10:20 pm

1 stop18h 35m

$1,063

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 3/4

8:41 am-7:45 pm

1 stop40h 04m

Sydney Kingsford Smith

Tue 3/10

9:40 pm-8:55 pm

1 stop17h 15m

$1,067

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Tue 2/3

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Sat 2/7

9:40 pm-10:28 pm

1 stop19h 48m

$1,070

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 3/4

8:41 am-7:45 pm

1 stop40h 04m

Sydney Kingsford Smith

Tue 3/10

9:40 pm-8:55 pm

1 stop17h 15m

$1,077

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 6/4

9:30 am-6:50 pm

1 stop40h 20m

Sydney Kingsford Smith

Sun 6/14

8:45 pm-10:20 pm

1 stop18h 35m

$1,080

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 3/1

8:41 am-7:45 pm

1 stop40h 04m

Sydney Kingsford Smith

Sun 3/15

9:40 pm-8:55 pm

1 stop17h 15m

$1,090

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 6/13

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Tue 6/23

8:45 pm-10:20 pm

1 stop18h 35m

$1,138

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/1

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Tue 2/10

9:40 pm-10:28 pm

1 stop19h 48m

$1,155

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 7/9

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Fri 7/24

8:45 pm-10:20 pm

1 stop18h 35m

$1,167

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The cheapest day to depart from Ontario to Sydney is on a Wednesday when prices can be found for as low as $986. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,049.

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 round-trip 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

Fastest flight time	18h 00m
Direct flights	None

The fastest flight from Ontario to Sydney takes 18h 00m

There are no direct flights from Ontario to Sydney. There are no popular flight routes from Ontario to Sydney.

Search flight deals

How far is Ontario to Sydney Kingsford Smith by plane?
A flight from Ontario to Sydney Kingsford Smith will travel around 7527.4 mi. 18h 00m is a normal flight duration for this route.
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 updated daily.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Randwick

Coogee

Manly

Lithgow

Leura

Penrith

Cronulla

Charlestown

Terrigal

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Sydney from Ontario with this policy.

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

Once all potential Ontario to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Sydney from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.