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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario 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.

$610 Cheap Flights from Sydney to Ontario in 2025/26

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10:40 am - 11:52 pmSYD-ONT

32h 12m2 stops

6:00 am - 8:30 amONT-SYD

31h 30m2 stops

$902Delta

Find Deal

Wed, Nov 26 - Wed, Dec 3

12:10 pm - 12:37 pmSYD-ONT

19h 27m1 stop

6:38 pm - 9:15 amONT-SYD

19h 37m1 stop

$953United Airlines

Find Deal

Mon, Nov 3 - Sun, Nov 16

12:10 pm - 10:37 pmSYD-ONT

28h 27m1 stop

1:45 pm - 9:15 amONT-SYD

49h 30m2 stops

$954United Airlines

Find Deal

Thu, Mar 12 - Mon, Mar 16

12:10 pm - 12:37 pmSYD-ONT

19h 27m1 stop

6:38 pm - 9:15 amONT-SYD

19h 37m1 stop

$991Lufthansa

Find Deal

Mon, Nov 3 - Sun, Nov 16

9:40 pm - 9:55 pmSYD-ONT

19h 15m1 stop

9:50 am - 7:45 pmONT-SYD

39h 55m1 stop

$1,093Alaska Airlines

Find Deal

Fri, Mar 6 - Thu, Mar 12

9:40 pm - 10:28 pmSYD-ONT

19h 48m1 stop

9:50 am - 7:45 pmONT-SYD

38h 55m1 stop

$1,095Alaska Airlines

Find Deal

Tue, Jan 20 - Thu, Feb 12

10:10 pm - 4:50 pmSYD-ONT

37h 40m1 stop

10:50 pm - 12:15 pmONT-SYD

42h 25m1 stop

$1,119China Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

10:10 pm - 4:50 pmSYD-ONT

37h 40m1 stop

10:50 pm - 12:15 pmONT-SYD

42h 25m1 stop

$1,135China Airlines

Find Deal

Mon, Nov 3 - Fri, Nov 7

9:40 pm - 10:28 pmSYD-ONT

19h 48m1 stop

8:13 am - 7:45 pmONT-SYD

40h 32m1 stop

$1,194Hawaiian Airlines

Find Deal

Sun, Jan 11 - Mon, Jan 26

9:40 pm - 10:08 pmSYD-ONT

19h 28m1 stop

8:00 am - 7:45 pmONT-SYD

40h 45m1 stop

$1,232Hawaiian Airlines

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Thu, Dec 25 - Sun, Dec 28

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

Nov 3

SYD12:10 pmSydney Kingsford Smith

19h 27m

1 stop

ONT12:37 pmOntario

Nov 16

ONT6:38 pmOntario

19h 37m

1 stop

SYD9:15 amSydney Kingsford Smith

$953

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United Airlines

Mar 12

SYD12:10 pmSydney Kingsford Smith

28h 27m

1 stop

ONT10:37 pmOntario

Mar 16

ONT1:45 pmOntario

49h 30m

2 stops

SYD9:15 amSydney Kingsford Smith

$954

Find similar

United Airlines

Dec 11

SYD12:10 pmSydney Kingsford Smith

19h 07m

1 stop

ONT12:17 pmOntario

Dec 29

ONT1:40 pmOntario

24h 35m

2 stops

SYD9:15 amSydney Kingsford Smith

$955

Find similar

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets

Alaska Airlines

Mar 6

SYD9:40 pmSydney Kingsford Smith

19h 15m

1 stop

ONT9:55 pmOntario

Mar 12

ONT9:50 amOntario

39h 55m

1 stop

SYD7:45 pmSydney Kingsford Smith

$1,093

Find similar

Alaska Airlines

Jan 20

SYD9:40 pmSydney Kingsford Smith

19h 48m

1 stop

ONT10:28 pmOntario

Feb 12

ONT9:50 amOntario

38h 55m

1 stop

SYD7:45 pmSydney Kingsford Smith

$1,095

Find similar

Alaska Airlines

Dec 13

SYD9:40 pmSydney Kingsford Smith

17h 43m

1 stop

ONT8:23 pmOntario

Dec 29

ONT8:00 amOntario

40h 45m

1 stop

SYD7:45 pmSydney Kingsford Smith

$1,293

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 11/26

10:40 am-11:52 pm

2 stops32h 12m

Ontario

Wed 12/3

6:00 am-8:30 am

2 stops31h 30m

$902

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 11/3

12:10 pm-12:37 pm

1 stop19h 27m

Ontario

Sun 11/16

6:38 pm-9:15 am

1 stop19h 37m

$953

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 3/12

12:10 pm-10:37 pm

1 stop28h 27m

Ontario

Mon 3/16

1:45 pm-9:15 am

2 stops49h 30m

$954

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 11/3

12:10 pm-12:37 pm

1 stop19h 27m

Ontario

Sun 11/16

6:38 pm-9:15 am

1 stop19h 37m

$991

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 3/6

9:40 pm-9:55 pm

1 stop19h 15m

Ontario

Thu 3/12

9:50 am-7:45 pm

1 stop39h 55m

$1,093

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 1/20

9:40 pm-10:28 pm

1 stop19h 48m

Ontario

Thu 2/12

9:50 am-7:45 pm

1 stop38h 55m

$1,095

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 11/12

10:10 pm-4:50 pm

1 stop37h 40m

Ontario

Sun 11/16

10:50 pm-12:15 pm

1 stop42h 25m

$1,119

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 11/3

10:10 pm-4:50 pm

1 stop37h 40m

Ontario

Fri 11/7

10:50 pm-12:15 pm

1 stop42h 25m

$1,135

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 1/11

9:40 pm-10:28 pm

1 stop19h 48m

Ontario

Mon 1/26

8:13 am-7:45 pm

1 stop40h 32m

$1,194

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 12/25

9:40 pm-10:08 pm

1 stop19h 28m

Ontario

Sun 12/28

8:00 am-7:45 pm

1 stop40h 45m

$1,232

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How to get the cheapest flight ticket from Sydney to Ontario

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 airline that flies from Sydney Kingsford Smith to Ontario?

Hawaiian Airlines, Alaska Airlines, and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Ontario

What airlines fly to Ontario?

Qantas Airways, United Airlines and Delta are the top three most popular airlines that fly to Ontario from Sydney according to our data. Qantas Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Sydney to Ontario

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is Sydney Kingsford Smith to Ontario by plane?
A flight from Sydney Kingsford Smith to Ontario will travel around 7527.4 mi. A reasonable flight in good conditions will take 17h 17m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Ontario Airport?
Prices for flights from Sydney Kingsford Smith Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Ontario for you.

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

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

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

momondo helps you find the best flight between Sydney and Ontario 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 Sydney to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Sydney 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.