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.

$755 Cheap Flights from Sydney to Ontario in 2026

Find the cheapest flights from Sydney to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

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

$1,284Multiple Airlines

Thu, 22 Oct - Sat, 31 Oct

10:15 - 23:55SYD Sydney Kingsford Smith-ONT Ontario

31h 40m2 stops Los Angeles Salt Lake City

13:35 - 07:30ONT Ontario-SYD Sydney Kingsford Smith

23h 55m2 stops Salt Lake City Los Angeles

$1,304Delta

Thu, 22 Oct - Sat, 31 Oct

10:40 - 23:48SYD Sydney Kingsford Smith-ONT Ontario

32h 08m2 stops Los Angeles Salt Lake City

06:00 - 08:30ONT Ontario-SYD Sydney Kingsford Smith

31h 30m2 stops Salt Lake City Los Angeles

$1,304Delta

Tue, 2 Feb - Sat, 20 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

$1,309United Airlines

Thu, 8 Oct - Wed, 21 Oct

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

$1,309Virgin Australia

Mon, 2 Nov - Mon, 16 Nov

11:50 - 09:47SYD Sydney Kingsford Smith-ONT Ontario

16h 57m1 stop San Francisco

16:03 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 17m1 stop San Francisco

$1,309Virgin Australia

Mon, 1 Feb - Tue, 16 Feb

09:15 - 21:59SYD Sydney Kingsford Smith-ONT Ontario

31h 44m1 stop Houston George Bush Intcntl

16:03 - 06:20ONT Ontario-SYD Sydney Kingsford Smith

19h 17m1 stop San Francisco

$1,309Virgin Australia

Wed, 9 Dec - Wed, 13 Jan

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

$1,309Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

11:50 - 09:47SYD Sydney Kingsford Smith-ONT Ontario

16h 57m1 stop San Francisco

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

19h 27m1 stop San Francisco

$1,311Virgin Australia

Thu, 28 Jan - Tue, 2 Feb

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

$1,311Virgin Australia

Wed, 28 Oct - Wed, 11 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

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

18h 42m1 stop San Francisco

$1,307United Airlines

Mon, 7 Sep - Sun, 20 Sep

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

$1,307Lufthansa

Mon, 7 Sep - Sun, 20 Sep

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

$1,309United Airlines

Mon, 7 Sep - Sun, 20 Sep

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

$1,315United Airlines

Mon, 7 Sep - Sun, 20 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,344Multiple Airlines

Thu, 3 Sep - Thu, 10 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,344Multiple Airlines

Fri, 4 Sep - Sun, 13 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,344Multiple Airlines

Fri, 4 Sep - Fri, 11 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,346Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,351Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

20:45 - 22:10SYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

09:31 - 18:50ONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

$1,357Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Sydney to Ontario

Our best Delta deals on Sydney to Ontario flight tickets

Delta

22 Oct

SYD10:15Sydney Kingsford Smith

31h 40m

2 stops

ONT23:55Ontario

31 Oct

ONT13:35Ontario

23h 55m

2 stops

SYD07:30Sydney Kingsford Smith

$1,304

Delta

23 Oct

SYD10:15Sydney Kingsford Smith

31h 40m

2 stops

ONT23:55Ontario

30 Oct

ONT09:45Ontario

27h 45m

2 stops

SYD07:30Sydney Kingsford Smith

$1,374

Delta

1 Feb

SYD10:40Sydney Kingsford Smith

32h 08m

2 stops

ONT23:48Ontario

14 Mar

ONT06:00Ontario

31h 30m

2 stops

SYD07:30Sydney Kingsford Smith

$1,467

Virgin Australia flights from Sydney to Ontario

Our best Virgin Australia deals on Sydney to Ontario flight tickets

Virgin Australia

28 Jan

SYD11:50Sydney Kingsford Smith

16h 57m

1 stop

ONT09:47Ontario

2 Feb

ONT18:53Ontario

19h 27m

1 stop

SYD09:20Sydney Kingsford Smith

$1,311

Virgin Australia

24 Sept

SYD10:20Sydney Kingsford Smith

17h 03m

1 stop

ONT10:23Ontario

27 Sept

ONT18:32Ontario

19h 23m

1 stop

SYD06:55Sydney Kingsford Smith

$1,315

Virgin Australia

18 Nov

SYD11:50Sydney Kingsford Smith

19h 39m

1 stop

ONT12:29Ontario

28 Nov

ONT16:17Ontario

22h 03m

1 stop

SYD09:20Sydney Kingsford Smith

$1,381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 22/10

20:45-21:29

1 stop18h 44m

Ontario

Sat 31/10

07:00-19:45

1 stop18h 45m

$1,284

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 22/10

10:15-23:55

2 stops31h 40m

Ontario

Sat 31/10

13:35-07:30

2 stops23h 55m

$1,304

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Tue 2/2

10:40-23:48

2 stops32h 08m

Ontario

Sat 20/2

06:00-08:30

2 stops31h 30m

$1,304

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 8/10

11:20-12:18

1 stop18h 58m

Ontario

Wed 21/10

16:03-07:55

1 stop21h 52m

$1,309

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 2/11

11:50-12:29

1 stop19h 39m

Ontario

Mon 16/11

16:17-09:20

1 stop22h 03m

$1,309

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Mon 1/2

11:50-09:47

1 stop16h 57m

Ontario

Tue 16/2

16:03-09:20

1 stop22h 17m

$1,309

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 9/12

09:15-21:59

1 stop31h 44m

Ontario

Wed 13/1

16:03-06:20

1 stop19h 17m

$1,309

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Sat 24/10

20:45-21:29

1 stop18h 44m

Ontario

Sat 31/10

07:00-19:45

1 stop18h 45m

$1,309

Fastest return journey

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 28/1

11:50-09:47

1 stop16h 57m

Ontario

Tue 2/2

18:53-09:20

1 stop19h 27m

$1,311

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 28/10

11:50-12:29

1 stop18h 39m

Ontario

Wed 11/11

16:17-09:20

1 stop22h 03m

$1,311

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 47% 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	$755
Fastest flight time	16h 57m
Direct flights	None

The best one-way flight to Ontario from Sydney in the past 72 hours is $755. The best return flight deal from Sydney to Ontario found on momondo in the last 72 hours is $1,284.

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 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.