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 refresh daily.

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

The number of operators available for flights from Sydney Kingsford Smith Airport to Ontario Airport is 1 as of October 2026.

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 licence 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.

$651 Cheap Flights from Sydney to Ontario in 2026/27

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Cheap return flights

Enter your travel dates to find the best prices.

21:40 - 22:43SYD Sydney Kingsford Smith-ONT Ontario

20h 03m1 stop Honolulu

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,106Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

21:40 - 22:43SYD Sydney Kingsford Smith-ONT Ontario

20h 03m1 stop Honolulu

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,136Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

21:40 - 21:28SYD Sydney Kingsford Smith-ONT Ontario

18h 48m1 stop Honolulu

09:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$1,144Multiple Airlines

Thu, 11 Feb - Tue, 16 Feb

21:40 - 21:18SYD Sydney Kingsford Smith-ONT Ontario

18h 38m1 stop Honolulu

09:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$1,144Multiple Airlines

Tue, 9 Feb - Sun, 28 Feb

21:40 - 21:18SYD Sydney Kingsford Smith-ONT Ontario

18h 38m1 stop Honolulu

09:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$1,146Multiple Airlines

Tue, 9 Feb - Sun, 28 Feb

21:40 - 21:28SYD Sydney Kingsford Smith-ONT Ontario

18h 48m1 stop Honolulu

09:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$1,146Multiple Airlines

Thu, 11 Feb - Tue, 16 Feb

11:50 - 15:24SYD Sydney Kingsford Smith-ONT Ontario

22h 34m1 stop San Francisco

18:37 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$1,170United Airlines

Thu, 26 Nov - Sun, 24 Jan

11:50 - 10:43SYD Sydney Kingsford Smith-ONT Ontario

17h 53m1 stop San Francisco

14:00 - 06:20ONT Ontario-SYD Sydney Kingsford Smith

21h 20m1 stop San Francisco

$1,170United Airlines

Thu, 26 Nov - Tue, 26 Jan

11:50 - 10:43SYD Sydney Kingsford Smith-ONT Ontario

17h 53m1 stop San Francisco

18:37 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$1,170United Airlines

Thu, 26 Nov - Mon, 25 Jan

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,170United Airlines

Tue, 17 Nov - Tue, 24 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,174United Airlines

Wed, 28 Oct - Wed, 25 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,176United Airlines

Mon, 26 Oct - Sun, 8 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,177United Airlines

Wed, 28 Oct - Wed, 4 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,177United Airlines

Wed, 28 Oct - Wed, 4 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,177United Airlines

Mon, 26 Oct - Tue, 10 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,177United Airlines

Mon, 26 Oct - Sun, 8 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,179United Airlines

Mon, 26 Oct - Sun, 8 Nov

20:45 - 21:29SYD Sydney Kingsford Smith-ONT Ontario

18h 44m1 stop Honolulu

07:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

18h 45m1 stop Honolulu

$1,258Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

20:45 - 21:29SYD Sydney Kingsford Smith-ONT Ontario

18h 44m1 stop Honolulu

07:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

18h 45m1 stop Honolulu

$1,258Multiple Airlines

Fri, 23 Oct - Fri, 30 Oct

20:45 - 21:29SYD Sydney Kingsford Smith-ONT Ontario

18h 44m1 stop Honolulu

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,293Multiple Airlines

Fri, 23 Oct - Thu, 5 Nov

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United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

26 Nov

SYD11:50Sydney Kingsford Smith

17h 53m

1 stop

ONT10:43Ontario

26 Jan

ONT14:00Ontario

21h 20m

1 stop

SYD06:20Sydney Kingsford Smith

$1,170

United Airlines

2 Mar

SYD11:50Sydney Kingsford Smith

16h 57m

1 stop

ONT09:47Ontario

23 Mar

ONT18:53Ontario

20h 27m

1 stop

SYD09:20Sydney Kingsford Smith

$1,171

United Airlines

3 Nov

SYD11:50Sydney Kingsford Smith

19h 39m

1 stop

ONT12:29Ontario

23 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,174

Qatar Airways flights from Sydney to Ontario

Our best Qatar Airways deals on Sydney to Ontario flight tickets

Qatar Airways

26 Oct

SYD22:10Sydney Kingsford Smith

37h 50m

2 stops

ONT18:00Ontario

30 Oct

ONT11:13Ontario

38h 07m

2 stops

SYD19:20Sydney Kingsford Smith

$2,631

Qatar Airways

3 Nov

SYD22:10Sydney Kingsford Smith

39h 07m

2 stops

ONT18:17Ontario

23 Nov

ONT06:00Ontario

42h 20m

2 stops

SYD19:20Sydney Kingsford Smith

$2,698

Qatar Airways

3 Nov

SYD22:10Sydney Kingsford Smith

39h 07m

2 stops

ONT18:17Ontario

23 Nov

ONT06:00Ontario

42h 20m

2 stops

SYD19:20Sydney Kingsford Smith

$2,716

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 3/11

21:40-22:43

1 stop20h 03m

Ontario

Tue 17/11

09:55-19:45

1 stop38h 50m

$1,106

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 3/11

21:40-22:43

1 stop20h 03m

Ontario

Tue 17/11

09:55-19:45

1 stop38h 50m

$1,136

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 11/2

21:40-21:28

1 stop18h 48m

Ontario

Tue 16/2

09:00-19:45

1 stop39h 45m

$1,144

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 9/2

21:40-21:18

1 stop18h 38m

Ontario

Sun 28/2

09:00-19:45

1 stop39h 45m

$1,144

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 9/2

21:40-21:18

1 stop18h 38m

Ontario

Sun 28/2

09:00-19:45

1 stop39h 45m

$1,146

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 11/2

21:40-21:28

1 stop18h 48m

Ontario

Tue 16/2

09:00-19:45

1 stop39h 45m

$1,146

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 26/11

11:50-15:24

1 stop22h 34m

Ontario

Sun 24/1

18:37-09:20

1 stop19h 43m

$1,170

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 26/11

11:50-10:43

1 stop17h 53m

Ontario

Tue 26/1

14:00-06:20

1 stop21h 20m

$1,170

Fastest return journey

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 26/11

11:50-10:43

1 stop17h 53m

Ontario

Mon 25/1

18:37-09:20

1 stop19h 43m

$1,170

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 17/11

11:50-12:29

1 stop19h 39m

Ontario

Tue 24/11

16:17-09:20

1 stop22h 03m

$1,170

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

United Airlines is the most popular carrier operating from Sydney Kingsford Smith to Ontario

Which airlines fly to Ontario?

Qantas Airways, Fiji Airways and United Airlines 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 45% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 12 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 return 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

Best price found	$651
Fastest flight time	16h 57m
Direct flights	None

The best one-way flight to Ontario from Sydney in the past 72 hours is $651. The best return flight deal from Sydney to Ontario found on momondo in the last 72 hours is $1,106.

The fastest flight from Sydney to Ontario takes 16h 57m

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

Search flight deals

Frequently asked questions about flying from Sydney to Ontario

How far is Sydney Kingsford Smith to Ontario by plane?
There are 12114.1 km between Sydney Kingsford Smith and Ontario. By plane, this route typically takes 16h 57m.
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 refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ontario Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Ontario Airport is 1 as of October 2026.
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 licence 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 Sydney to Ontario?
momondo data reveals that the most frequently booked airline on the route from Sydney to Ontario is United Airlines, representing 100% of all bookings.

Best airlines flying from Sydney to Ontario

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,051	Free cancellation	Rating 7.3 10,404 reviews		Search United Airlines flights

Why use momondo?

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

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

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

Flights from Sydney to Ontario 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 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?

Of course. momondo tracks the price of Sydney to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.