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 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.

$650 Cheap Flights from Sydney to Ontario in 2026

Find the cheapest flights from Sydney to Los Angeles

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 23:47SYD Sydney Kingsford Smith-ONT Ontario

31h 32m2 stops Los Angeles Los Angeles Salt Lake City

13:04 - 06:50ONT Ontario-SYD Sydney Kingsford Smith

24h 46m2 stops Salt Lake City Los Angeles Los Angeles

$1,056Delta

Thu, 17 Sep - Mon, 21 Sep

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

$1,134Virgin Australia

Mon, 9 Nov - Sun, 29 Nov

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

$1,134Virgin Australia

Wed, 2 Sep - Wed, 11 Nov

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

18h 52m1 stop San Francisco

09:01 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

28h 54m1 stop San Francisco

$1,135United Airlines

Wed, 2 Sep - Wed, 9 Sep

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

18h 52m1 stop San Francisco

06:08 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

31h 47m1 stop San Francisco

$1,135United Airlines

Thu, 17 Sep - Mon, 21 Sep

10:20 - 20:01SYD Sydney Kingsford Smith-ONT Ontario

26h 41m1 stop San Francisco

13:18 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

24h 37m2 stops Denver Intl San Francisco

$1,135United Airlines

Wed, 2 Sep - Wed, 9 Sep

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

19h 30m1 stop San Francisco

05:00 - 06:20ONT Ontario-SYD Sydney Kingsford Smith

30h 20m2 stops Denver Intl San Francisco

$1,135United Airlines

Wed, 27 Jan - Sun, 31 Jan

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

28h 01m2 stops San Francisco Denver Intl

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

28h 55m1 stop San Francisco

$1,135United Airlines

Mon, 9 Nov - Sun, 29 Nov

11:20 - 10:23SYD Sydney Kingsford Smith-ONT Ontario

17h 03m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,135United Airlines

Tue, 20 Oct - Tue, 27 Oct

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

18h 52m1 stop San Francisco

13:18 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

24h 37m2 stops Denver Intl San Francisco

$1,135United Airlines

Thu, 17 Sep - Mon, 21 Sep

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

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

23h 03m1 stop San Francisco

$1,135United Airlines

Wed, 19 Aug - Tue, 27 Oct

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

18h 52m1 stop San Francisco

13:18 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

48h 37m2 stops Denver Intl San Francisco

$1,136United Airlines

Thu, 20 Aug - Sat, 29 Aug

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

18h 52m1 stop San Francisco

19:13 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

$1,136Virgin Australia

Thu, 20 Aug - Sun, 30 Aug

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

18h 52m1 stop San Francisco

19:13 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

$1,138Virgin Australia

Thu, 20 Aug - Mon, 31 Aug

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

18h 52m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,138United Airlines

Thu, 20 Aug - Wed, 28 Oct

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

18h 52m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,138United Airlines

Wed, 19 Aug - Tue, 27 Oct

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

$1,138Virgin Australia

Thu, 20 Aug - Mon, 12 Oct

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

18h 52m1 stop San Francisco

11:10 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

26h 45m1 stop San Francisco

$1,141United Airlines

Thu, 20 Aug - Mon, 28 Sep

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

27h 33m2 stops San Francisco Denver Intl

13:52 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

24h 03m1 stop San Francisco

$1,141United Airlines

Thu, 20 Aug - Mon, 28 Sep

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

18h 52m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,141United Airlines

Thu, 20 Aug - Wed, 28 Oct

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Virgin Australia flights from Sydney to Ontario

Our best Virgin Australia deals on Sydney to Ontario flight tickets

Virgin Australia

2 Sept

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

11 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,134

Virgin Australia

21 Sept

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

4 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,136

Virgin Australia

12 Oct

SYD11:20Sydney Kingsford Smith

18h 58m

1 stop

ONT12:18Ontario

3 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,142

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

2 Sept

SYD10:20Sydney Kingsford Smith

26h 41m

1 stop

ONT20:01Ontario

9 Sept

ONT13:18Ontario

24h 37m

2 stops

SYD06:55Sydney Kingsford Smith

$1,135

United Airlines

20 Aug

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

29 Aug

ONT13:18Ontario

48h 37m

2 stops

SYD06:55Sydney Kingsford Smith

$1,136

United Airlines

2 Sept

SYD10:20Sydney Kingsford Smith

24h 56m

1 stop

ONT18:16Ontario

5 Sept

ONT13:18Ontario

48h 37m

2 stops

SYD06:55Sydney Kingsford Smith

$1,138

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 17/9

09:15-23:47

2 stops31h 32m

Ontario

Mon 21/9

13:04-06:50

2 stops24h 46m

$1,056

Fastest return journey

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 9/11

11:50-12:29

1 stop19h 39m

Ontario

Sun 29/11

18:37-09:20

1 stop19h 43m

$1,134

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 2/9

10:20-12:12

1 stop18h 52m

Ontario

Wed 11/11

16:17-09:20

1 stop22h 03m

$1,134

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 2/9

10:20-12:12

1 stop18h 52m

Ontario

Wed 9/9

09:01-06:55

1 stop28h 54m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 17/9

10:20-12:12

1 stop18h 52m

Ontario

Mon 21/9

06:08-06:55

1 stop31h 47m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 2/9

10:20-20:01

1 stop26h 41m

Ontario

Wed 9/9

13:18-06:55

2 stops24h 37m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 27/1

11:50-12:20

1 stop19h 30m

Ontario

Sun 31/1

05:00-06:20

2 stops30h 20m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 9/11

11:50-20:51

2 stops28h 01m

Ontario

Sun 29/11

09:25-09:20

1 stop28h 55m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 20/10

11:20-10:23

1 stop17h 03m

Ontario

Tue 27/10

16:17-09:20

1 stop23h 03m

$1,135

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 17/9

10:20-12:12

1 stop18h 52m

Ontario

Mon 21/9

13:18-06:55

2 stops24h 37m

$1,135

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 48% 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.

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	$650
Fastest flight time	17h 03m
Direct flights	None

The best one-way flight to Ontario from Sydney in the past 72 hours is $650. The best return flight deal from Sydney to Ontario found on momondo in the last 72 hours is $1,056.

The fastest flight from Sydney to Ontario takes 17h 03m

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 17h 03m.
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 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.

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.