How long does it take to fly to Ontario?

Flight times from Australia to Ontario vary, but if you’re flying out of Brisbane and flying into Los Angeles (one of the most popular routes), then the duration is 12h 55m on average. Another popular route from Australia to Ontario is flying from Sydney to Los Angeles, which will take roughly 13h 40m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Australia to Ontario Airport?

Prices for flights from Australia to Ontario Airport refresh daily.

How many operators does momondo search for flights from Australia to Ontario Airport?

The number of operators available for flights from Australia to Ontario Airport is 1 as of September 2026.

How old do you have to be to fly from Australia to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia 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.

$682 Cheap Flights from Australia to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Los Angeles

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Recent return flight deals from Australia to Los Angeles

Enter your travel dates to find the best prices.

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

$1,191Virgin Australia

Tue, 3 Nov - Tue, 24 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

$1,191Virgin Australia

Thu, 29 Oct - Tue, 10 Nov

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

$1,191Virgin Australia

Wed, 4 Nov - Wed, 18 Nov

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

$1,191Virgin Australia

Wed, 11 Nov - Wed, 18 Nov

11:50 - 12:20SYD Sydney Kingsford Smith-ONT Ontario

18h 30m1 stop San Francisco

18:53 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

20h 27m1 stop San Francisco

$1,191Virgin Australia

Thu, 18 Mar - Sun, 21 Mar

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

19h 39m1 stop San Francisco

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

19h 43m1 stop San Francisco

$1,191Virgin Australia

Mon, 9 Nov - Mon, 23 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

$1,191Virgin Australia

Thu, 29 Oct - Sun, 15 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

$1,191Virgin Australia

Wed, 28 Oct - Mon, 9 Nov

11:50 - 15:33SYD Sydney Kingsford Smith-ONT Ontario

21h 43m1 stop San Francisco

09:25 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

28h 55m1 stop San Francisco

$1,193United Airlines

Thu, 29 Oct - Mon, 2 Nov

11:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,193United Airlines

Mon, 12 Oct - Mon, 26 Oct

Recent last minute flight deals from Australia to Los Angeles

Enter your travel dates to find the best prices.

10:20 - 10:23SYD Sydney Kingsford Smith-ONT Ontario

17h 03m1 stop San Francisco

13:22 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

48h 33m2 stops Denver Intl San Francisco

$1,194United Airlines

Wed, 30 Sep - Sat, 3 Oct

10:20 - 15:22SYD Sydney Kingsford Smith-ONT Ontario

22h 02m1 stop San Francisco

18:32 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,194United Airlines

Thu, 1 Oct - Sun, 4 Oct

10:20 - 15:22SYD Sydney Kingsford Smith-ONT Ontario

22h 02m1 stop San Francisco

13:22 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

48h 33m2 stops Denver Intl San Francisco

$1,194United Airlines

Wed, 30 Sep - Sat, 3 Oct

10:20 - 21:59SYD Sydney Kingsford Smith-ONT Ontario

28h 39m2 stops San Francisco Houston George Bush Intcntl

18:32 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,194United Airlines

Thu, 1 Oct - Sun, 4 Oct

10:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

16:03 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$1,194United Airlines

Thu, 1 Oct - Sun, 4 Oct

10:20 - 21:59SYD Sydney Kingsford Smith-ONT Ontario

28h 39m2 stops San Francisco Houston George Bush Intcntl

06:00 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,200United Airlines

Wed, 30 Sep - Sat, 10 Oct

10:20 - 22:59SYD Sydney Kingsford Smith-ONT Ontario

29h 39m1 stop San Francisco

06:00 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,200United Airlines

Wed, 30 Sep - Sat, 10 Oct

11:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

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

19h 43m1 stop San Francisco

$1,263Virgin Australia

Sun, 4 Oct - Sun, 1 Nov

10:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

16:03 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$1,263Virgin Australia

Thu, 1 Oct - Fri, 16 Oct

11:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

18:32 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,264United Airlines

Sun, 4 Oct - Sun, 18 Oct

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Virgin Australia flights from Australia to Ontario

Our best Virgin Australia deals on Australia to Ontario flight tickets

Virgin Australia

29 Oct

SYD11:50Sydney Kingsford Smith

18h 39m

1 stop

ONT12:29Ontario

10 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,191

Virgin Australia

12 Oct

SYD11:20Sydney Kingsford Smith

18h 58m

1 stop

ONT12:18Ontario

21 Oct

ONT16:03Ontario

21h 52m

1 stop

SYD07:55Sydney Kingsford Smith

$1,199

Virgin Australia

15 Oct

SYD11:20Sydney Kingsford Smith

18h 58m

1 stop

ONT12:18Ontario

29 Dec

ONT18:27Ontario

19h 53m

1 stop

SYD09:20Sydney Kingsford Smith

$1,206

United Airlines flights from Australia to Ontario

Our best United Airlines deals on Australia to Ontario flight tickets

United Airlines

29 Oct

SYD11:50Sydney Kingsford Smith

42h 40m

2 stops

ONT12:30Ontario

2 Nov

ONT05:00Ontario

33h 20m

2 stops

SYD09:20Sydney Kingsford Smith

$1,193

United Airlines

29 Oct

SYD11:50Sydney Kingsford Smith

21h 43m

1 stop

ONT15:33Ontario

2 Nov

ONT09:25Ontario

28h 55m

1 stop

SYD09:20Sydney Kingsford Smith

$1,194

United Airlines

5 Oct

SYD11:20Sydney Kingsford Smith

18h 58m

1 stop

ONT12:18Ontario

18 Oct

ONT16:03Ontario

21h 52m

1 stop

SYD07:55Sydney Kingsford Smith

$1,196

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

11:50-12:29

1 stop19h 39m

Ontario

Tue 24/11

16:17-09:20

1 stop22h 03m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-12:29

1 stop18h 39m

Ontario

Tue 10/11

16:17-09:20

1 stop22h 03m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 4/11

11:50-12:29

1 stop19h 39m

Ontario

Wed 18/11

16:17-09:20

1 stop22h 03m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 11/11

11:50-12:29

1 stop19h 39m

Ontario

Wed 18/11

16:17-09:20

1 stop22h 03m

$1,191

Fastest return journey

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 18/3

11:50-12:20

1 stop18h 30m

Ontario

Sun 21/3

18:53-09:20

1 stop20h 27m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 9/11

11:50-12:29

1 stop19h 39m

Ontario

Mon 23/11

18:37-09:20

1 stop19h 43m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-12:29

1 stop18h 39m

Ontario

Sun 15/11

16:17-09:20

1 stop22h 03m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 28/10

11:50-12:29

1 stop18h 39m

Ontario

Mon 9/11

16:17-09:20

1 stop22h 03m

$1,191

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-15:33

1 stop21h 43m

Ontario

Mon 2/11

09:25-09:20

1 stop28h 55m

$1,193

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 12/10

11:20-12:18

1 stop18h 58m

Ontario

Mon 26/10

16:17-09:20

1 stop23h 03m

$1,193

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 Australia 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

Airlines

Other information

What is the cheapest airline that flies from Australia to Ontario?

United Airlines, Lufthansa, and Virgin Australia are the most popular carriers operating from Australia 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 Australia according to our data. Qantas Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 16 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Australia to Ontario flight deals and tips

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

Best price found	$682
Fastest flight time	16h 27m
Direct flights	None

The best one-way flight to Ontario from Australia in the past 72 hours is $682. The best return flight deal from Australia to Ontario found on momondo in the last 72 hours is $1,191.

The fastest flight from Australia to Ontario takes 16h 27m

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

Search flight deals

Frequently asked questions about flying from Australia to Ontario

When did momondo last update prices for flights from Australia to Ontario Airport?
Prices for flights from Australia to Ontario Airport refresh daily.
How many operators does momondo search for flights from Australia to Ontario Airport?
The number of operators available for flights from Australia to Ontario Airport is 1 as of September 2026.
How old do you have to be to fly from Australia to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia 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.

Best airlines flying from Australia to Ontario

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,050	Free cancellation	Rating 7.4 10,246 reviews		Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Australia to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Australia to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Australia to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.