How long does it take to fly to Ontario?

Flight times from New South Wales to Ontario vary, but if you’re flying out of Sydney and flying into Los Angeles (one of the most popular routes), then the duration is 13h 40m on average. Another popular route from New South Wales to Ontario is flying from Ballina to Los Angeles, which will take roughly 17h 20m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from New South Wales to Ontario Airport?

Prices for flights from New South Wales to Ontario Airport were last updated today.

How many operators does momondo search for flights from New South Wales to Ontario Airport?

As of September 2026, there is 1 operator available to choose from for flights from New South Wales to Ontario Airport.

How old do you have to be to fly from New South Wales to Ontario 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 stopovers 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 New South Wales to Ontario Airport.

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

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$648 Cheap Flights from New South Wales to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New South Wales to Los Angeles

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One-way

Last minute

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

$1,052Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

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

20h 03m1 stop Honolulu

08:03 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

40h 42m1 stop Honolulu

$1,062Multiple Airlines

Thu, 19 Nov - Tue, 8 Dec

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

20h 03m1 stop Honolulu

08:03 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

40h 42m1 stop Honolulu

$1,121Multiple Airlines

Tue, 10 Nov - Wed, 9 Dec

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

$1,125Multiple Airlines

Tue, 9 Mar - Fri, 12 Mar

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

$1,135Multiple Airlines

Tue, 16 Feb - Tue, 23 Feb

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

20h 03m1 stop Honolulu

08:03 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

40h 42m1 stop Honolulu

$1,135Multiple Airlines

Tue, 17 Nov - Tue, 8 Dec

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

$1,135Multiple Airlines

Thu, 18 Feb - Tue, 23 Feb

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

18h 38m1 stop Honolulu

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

17h 45m1 stop Honolulu

$1,172Multiple Airlines

Sun, 17 Jan - Mon, 1 Feb

11:20 - 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

$1,193United Airlines

Mon, 5 Oct - Sun, 18 Oct

11:50 - 20:51SYD Sydney Kingsford Smith-ONT Ontario

27h 01m2 stops San Francisco Denver Intl

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

22h 03m1 stop San Francisco

$1,194United Airlines

Thu, 29 Oct - Mon, 2 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

18h 52m1 stop San Francisco

18:32 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,204United Airlines

Mon, 21 Sep - Mon, 28 Sep

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

18h 52m1 stop San Francisco

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

21h 52m1 stop San Francisco

$1,204United Airlines

Wed, 23 Sep - Sun, 18 Oct

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

18h 52m1 stop San Francisco

18:32 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,264United Airlines

Mon, 21 Sep - Fri, 25 Sep

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

18h 52m1 stop San Francisco

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

22h 03m1 stop San Francisco

$1,264United Airlines

Fri, 18 Sep - Mon, 30 Nov

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

18h 52m1 stop San Francisco

18:32 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,266United Airlines

Mon, 21 Sep - Fri, 25 Sep

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

29h 39m2 stops San Francisco Chicago O'Hare Intl

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

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,266United Airlines

Sat, 19 Sep - Sat, 26 Sep

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

18h 52m1 stop San Francisco

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

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,266United Airlines

Sat, 19 Sep - Sat, 26 Sep

10:20 - 20:53SYD Sydney Kingsford Smith-ONT Ontario

27h 33m2 stops San Francisco Denver Intl

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

48h 33m2 stops Denver Intl San Francisco

$1,280United Airlines

Fri, 18 Sep - Sat, 3 Oct

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

18h 52m1 stop San Francisco

18:32 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

19h 23m1 stop San Francisco

$1,392Virgin Australia

Wed, 23 Sep - Thu, 24 Sep

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

18h 52m1 stop San Francisco

16:03 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$1,952Virgin Australia

Wed, 23 Sep - Wed, 30 Sep

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Virgin Australia flights from New South Wales to Ontario

Our best Virgin Australia deals on New South Wales to Ontario flight tickets

Virgin Australia

8 Feb

SYD11:50Sydney Kingsford Smith

16h 57m

1 stop

ONT09:47Ontario

15 Feb

ONT18:53Ontario

19h 27m

1 stop

SYD09:20Sydney Kingsford Smith

$1,191

Virgin Australia

18 Jan

SYD11:50Sydney Kingsford Smith

16h 57m

1 stop

ONT09:47Ontario

3 Feb

ONT16:03Ontario

22h 17m

1 stop

SYD09:20Sydney Kingsford Smith

$1,202

Virgin Australia

16 Oct

SYD11:20Sydney Kingsford Smith

18h 58m

1 stop

ONT12:18Ontario

21 Oct

ONT16:03Ontario

21h 52m

1 stop

SYD07:55Sydney Kingsford Smith

$1,277

United Airlines flights from New South Wales to Ontario

Our best United Airlines deals on New South Wales to Ontario flight tickets

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

$1,193

United Airlines

25 Feb

SYD09:20Sydney Kingsford Smith

31h 01m

1 stop

ONT21:21Ontario

10 Mar

ONT13:33Ontario

21h 47m

1 stop

SYD06:20Sydney 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

$1,195

momondo Fare Finder

Use the filters below to find and compare flights from New South Wales to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 10/11

21:40-22:43

1 stop20h 03m

Ontario

Tue 17/11

09:55-19:45

1 stop38h 50m

$1,052

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 19/11

21:40-22:43

1 stop20h 03m

Ontario

Tue 8/12

08:03-19:45

1 stop40h 42m

$1,062

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 10/11

21:40-22:43

1 stop20h 03m

Ontario

Wed 9/12

08:03-19:45

1 stop40h 42m

$1,121

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 9/3

21:40-21:28

1 stop18h 48m

Ontario

Fri 12/3

09:00-19:45

1 stop39h 45m

$1,125

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 16/2

21:40-21:28

1 stop18h 48m

Ontario

Tue 23/2

09:00-19:45

1 stop39h 45m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 17/11

21:40-22:43

1 stop20h 03m

Ontario

Tue 8/12

08:03-19:45

1 stop40h 42m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 18/2

21:40-21:28

1 stop18h 48m

Ontario

Tue 23/2

09:00-19:45

1 stop39h 45m

$1,135

Fastest return journey

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Sun 17/1

21:40-21:18

1 stop18h 38m

Ontario

Mon 1/2

07:00-19:45

1 stop17h 45m

$1,172

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 5/10

11:20-12:18

1 stop18h 58m

Ontario

Sun 18/10

16:03-07:55

1 stop21h 52m

$1,193

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-20:51

2 stops27h 01m

Ontario

Mon 2/11

16:17-09:20

1 stop22h 03m

$1,194

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 New South Wales 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 New South Wales to Ontario?

Delta, Virgin Australia, and United Airlines are the most popular carriers operating from New South Wales 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 New South Wales according to our data. Qantas Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 13 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap New South Wales to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New South Wales to Ontario

Best price found	$648
Fastest flight time	16h 57m
Direct flights	None

The best one-way flight to Ontario from New South Wales in the past 72 hours is $648. The best return flight deal from New South Wales to Ontario found on momondo in the last 72 hours is $1,052.

The fastest flight from New South Wales to Ontario takes 16h 57m

There are no direct flights from New South Wales to Ontario. There are no popular flight routes from New South Wales to Ontario.

Search flight deals

Frequently asked questions about flying from New South Wales to Ontario

When did momondo last update prices for flights from New South Wales to Ontario Airport?
Prices for flights from New South Wales to Ontario Airport were last updated today.
How many operators does momondo search for flights from New South Wales to Ontario Airport?
As of September 2026, there is 1 operator available to choose from for flights from New South Wales to Ontario Airport.
How old do you have to be to fly from New South Wales to Ontario 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 stopovers 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 New South Wales to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New South Wales to Ontario

Compare and see reviews for airlines that fly from New South Wales to Ontario with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,037	Free cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New South Wales 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 New South Wales to Ontario for you.

Can I find flights from New South Wales to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from New South Wales which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New South Wales to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New South Wales to Ontario.

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

Yes. momondo can track prices for New South Wales 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.