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 43% 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 many operators does momondo search for flights from Ontario Airport to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Ontario Airport to Sydney Kingsford Smith Airport as of January 2026.

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.

$558 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.

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

9:40 pm - 10:15 pm

SYD

ONT

19h 35m

1 stop

$1,020Hawaiian Airlines

Wed, Feb 11 - Sat, Feb 28

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,045Multiple Airlines

Wed, Jun 24 - Tue, Jul 14

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

8:45 pm - 9:10 pm

SYD

ONT

17h 25m

1 stop

$1,062Multiple Airlines

Tue, Feb 3 - Tue, May 5

8:41 am - 7:45 pm

ONT

SYD

40h 04m

1 stop

9:40 pm - 10:15 pm

SYD

ONT

19h 35m

1 stop

$1,080Multiple Airlines

Wed, Feb 25 - Fri, Mar 6

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

9:40 pm - 10:15 pm

SYD

ONT

19h 35m

1 stop

$1,088Hawaiian Airlines

Sun, Feb 8 - Sun, Feb 22

7:50 am - 6:50 pm

ONT

SYD

18h 00m

1 stop

8:45 pm - 10:20 pm

SYD

ONT

18h 35m

1 stop

$1,120Multiple Airlines

Sat, Jun 27 - Sat, Jul 11

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

8:45 pm - 10:07 pm

SYD

ONT

18h 22m

1 stop

$1,137Multiple Airlines

Mon, Jan 26 - Fri, May 15

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

Thu, Jan 29 - Sun, Feb 1

8:41 am - 7:45 pm

ONT

SYD

40h 04m

1 stop

9:40 pm - 10:15 pm

SYD

ONT

19h 35m

1 stop

$1,169Hawaiian Airlines

Sun, Feb 15 - Sun, Mar 1

8:13 am - 7:45 pm

ONT

SYD

40h 32m

1 stop

9:40 pm - 10:28 pm

SYD

ONT

19h 48m

1 stop

$1,176Hawaiian Airlines

Wed, Jan 28 - Sat, Jan 31

Hawaiian Airlines flights from Ontario to Sydney

Our best Hawaiian Airlines deals on Ontario to Sydney flight tickets

Hawaiian Airlines

Feb 11

ONT8:13 amOntario

40h 32m

1 stop

SYD7:45 pmSydney Kingsford Smith

Feb 28

SYD9:40 pmSydney Kingsford Smith

19h 35m

1 stop

ONT10:15 pmOntario

$1,020

Hawaiian Airlines

Feb 8

ONT8:13 amOntario

40h 32m

1 stop

SYD7:45 pmSydney Kingsford Smith

Feb 22

SYD9:40 pmSydney Kingsford Smith

19h 35m

1 stop

ONT10:15 pmOntario

$1,088

Hawaiian Airlines

Feb 15

ONT8:41 amOntario

40h 04m

1 stop

SYD7:45 pmSydney Kingsford Smith

Mar 1

SYD9:40 pmSydney Kingsford Smith

19h 35m

1 stop

ONT10:15 pmOntario

$1,169

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets

United Airlines

Feb 15

ONT6:37 pmOntario

19h 38m

1 stop

SYD9:15 amSydney Kingsford Smith

Mar 1

SYD2:00 pmSydney Kingsford Smith

17h 38m

1 stop

ONT12:38 pmOntario

$1,194

United Airlines

Feb 15

ONT6:37 pmOntario

19h 38m

1 stop

SYD9:15 amSydney Kingsford Smith

Mar 1

SYD12:10 pmSydney Kingsford Smith

19h 28m

1 stop

ONT12:38 pmOntario

$1,195

United Airlines

Feb 15

ONT1:50 pmOntario

21h 30m

1 stop

SYD6:20 amSydney Kingsford Smith

Mar 1

SYD2:00 pmSydney Kingsford Smith

17h 38m

1 stop

ONT12:38 pmOntario

$1,196

Fly from

Fly to

Route

Depart

Return

Price

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 2/11

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Sat 2/28

9:40 pm-10:15 pm

1 stop19h 35m

$1,020

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 6/24

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Tue 7/14

8:45 pm-10:20 pm

1 stop18h 35m

$1,045

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Tue 2/3

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Tue 5/5

8:45 pm-9:10 pm

1 stop17h 25m

$1,062

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 2/25

8:41 am-7:45 pm

1 stop40h 04m

Sydney Kingsford Smith

Fri 3/6

9:40 pm-10:15 pm

1 stop19h 35m

$1,080

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/8

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Sun 2/22

9:40 pm-10:15 pm

1 stop19h 35m

$1,088

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 6/27

7:50 am-6:50 pm

1 stop18h 00m

Sydney Kingsford Smith

Sat 7/11

8:45 pm-10:20 pm

1 stop18h 35m

$1,120

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 1/26

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Fri 5/15

8:45 pm-10:07 pm

1 stop18h 22m

$1,137

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 1/29

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Sun 2/1

9:40 pm-10:28 pm

1 stop19h 48m

$1,155

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/15

8:41 am-7:45 pm

1 stop40h 04m

Sydney Kingsford Smith

Sun 3/1

9:40 pm-10:15 pm

1 stop19h 35m

$1,169

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 1/28

8:13 am-7:45 pm

1 stop40h 32m

Sydney Kingsford Smith

Sat 1/31

9:40 pm-10:28 pm

1 stop19h 48m

$1,176

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 $988. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,048.

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	17h 43m
Direct flights	None

The fastest flight from Ontario to Sydney takes 17h 43m

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. 17h 43m 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 many operators does momondo search for flights from Ontario Airport to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Ontario Airport to Sydney Kingsford Smith Airport as of January 2026.
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.
What is the most popular airline from Ontario to Sydney?
Based on momondo bookings for flights between Ontario and Sydney, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Ontario to Sydney

Compare and see reviews for airlines that fly from Ontario to Sydney with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $926	Free Cancellation	Rating 7.4 9,163 reviews		Search United Airlines flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Manly

Lithgow

Cronulla

Leura

Penrith

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.