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.

$693 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.

09:15 - 22:04

SYD

ONT

29h 49m

2 stops

09:52 - 06:50

ONT

SYD

27h 58m

2 stops

$1,199Delta

Wed, 9 Sep - Wed, 16 Sep

11:50 - 20:51

SYD

ONT

27h 01m

2 stops

13:29 - 09:20

ONT

SYD

49h 51m

2 stops

$1,204United Airlines

Thu, 29 Oct - Sat, 31 Oct

09:20 - 20:51

SYD

ONT

29h 31m

2 stops

13:29 - 09:20

ONT

SYD

49h 51m

2 stops

$1,206United Airlines

Thu, 29 Oct - Sat, 31 Oct

11:50 - 09:57

SYD

ONT

17h 07m

1 stop

16:03 - 06:20

ONT

SYD

19h 17m

1 stop

$1,207United Airlines

Wed, 13 Jan - Mon, 25 Jan

09:15 - 22:23

SYD

ONT

30h 08m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,249Delta

Sun, 6 Sep - Sun, 13 Sep

09:15 - 23:34

SYD

ONT

31h 19m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,252Delta

Thu, 3 Sep - Thu, 10 Sep

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

13:56 - 06:55

ONT

SYD

23h 59m

1 stop

$1,254United Airlines

Sun, 9 Aug - Tue, 15 Sep

10:20 - 21:59

SYD

ONT

28h 39m

2 stops

19:13 - 06:55

ONT

SYD

18h 42m

1 stop

$1,256United Airlines

Mon, 17 Aug - Fri, 21 Aug

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

19:13 - 06:55

ONT

SYD

18h 42m

1 stop

$1,277United Airlines

Mon, 24 Aug - Mon, 7 Sep

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

13:56 - 06:55

ONT

SYD

23h 59m

1 stop

$1,279United Airlines

Mon, 10 Aug - Tue, 18 Aug

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United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

27 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

9 Aug

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,203

United Airlines

29 Oct

SYD11:50Sydney Kingsford Smith

27h 01m

2 stops

ONT20:51Ontario

31 Oct

ONT13:29Ontario

49h 51m

2 stops

SYD09:20Sydney Kingsford Smith

$1,204

United Airlines

29 Oct

SYD09:20Sydney Kingsford Smith

29h 31m

2 stops

ONT20:51Ontario

31 Oct

ONT13:29Ontario

49h 51m

2 stops

SYD09:20Sydney Kingsford Smith

$1,206

Delta flights from Sydney to Ontario

Our best Delta deals on Sydney to Ontario flight tickets

Delta

9 Sept

SYD09:15Sydney Kingsford Smith

29h 49m

2 stops

ONT22:04Ontario

16 Sept

ONT09:52Ontario

27h 58m

2 stops

SYD06:50Sydney Kingsford Smith

$1,199

Delta

6 Sept

SYD09:15Sydney Kingsford Smith

30h 08m

2 stops

ONT22:23Ontario

13 Sept

ONT06:00Ontario

31h 50m

2 stops

SYD06:50Sydney Kingsford Smith

$1,249

Delta

3 Sept

SYD09:15Sydney Kingsford Smith

31h 19m

2 stops

ONT23:34Ontario

10 Sept

ONT06:00Ontario

31h 50m

2 stops

SYD06:50Sydney Kingsford Smith

$1,252

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 9/9

09:15-22:04

2 stops29h 49m

Ontario

Wed 16/9

09:52-06:50

2 stops27h 58m

$1,199

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-20:51

2 stops27h 01m

Ontario

Sat 31/10

13:29-09:20

2 stops49h 51m

$1,204

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/10

09:20-20:51

2 stops29h 31m

Ontario

Sat 31/10

13:29-09:20

2 stops49h 51m

$1,206

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 13/1

11:50-09:57

1 stop17h 07m

Ontario

Mon 25/1

16:03-06:20

1 stop19h 17m

$1,207

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 6/9

09:15-22:23

2 stops30h 08m

Ontario

Sun 13/9

06:00-06:50

2 stops31h 50m

$1,249

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 3/9

09:15-23:34

2 stops31h 19m

Ontario

Thu 10/9

06:00-06:50

2 stops31h 50m

$1,252

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 9/8

10:20-12:12

1 stop18h 52m

Ontario

Tue 15/9

13:56-06:55

1 stop23h 59m

$1,254

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 17/8

10:20-21:59

2 stops28h 39m

Ontario

Fri 21/8

19:13-06:55

1 stop18h 42m

$1,256

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 24/8

10:20-12:12

1 stop18h 52m

Ontario

Mon 7/9

19:13-06:55

1 stop18h 42m

$1,277

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 10/8

10:20-12:12

1 stop18h 52m

Ontario

Tue 18/8

13:56-06:55

1 stop23h 59m

$1,279

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 50% 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

Fastest flight time	17h 07m
Direct flights	None

The fastest flight from Sydney to Ontario takes 17h 07m

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 07m.
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.