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.

$772 Cheap Flights from Sydney to Ontario in 2026

1 adult

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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.

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,174Multiple Airlines

Thu, 23 Jul - Tue, 28 Jul

20:45 - 22:10

SYD

ONT

18h 25m

1 stop

09:31 - 18:50

ONT

SYD

40h 19m

1 stop

$1,204Multiple Airlines

Tue, 25 Aug - Tue, 1 Sep

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,212Multiple Airlines

Thu, 11 Jun - Thu, 25 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,215Multiple Airlines

Tue, 16 Jun - Tue, 30 Jun

20:45 - 22:10

SYD

ONT

18h 25m

1 stop

09:31 - 18:50

ONT

SYD

40h 19m

1 stop

$1,243Multiple Airlines

Thu, 20 Aug - Thu, 27 Aug

20:45 - 22:10

SYD

ONT

18h 25m

1 stop

07:00 - 19:45

ONT

SYD

18h 45m

1 stop

$1,254Multiple Airlines

Thu, 1 Oct - Thu, 29 Oct

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,255Multiple Airlines

Sun, 19 Jul - Wed, 5 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,258Multiple Airlines

Fri, 12 Jun - Thu, 25 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,263Multiple Airlines

Thu, 30 Jul - Fri, 7 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,268Multiple Airlines

Sun, 14 Jun - Tue, 30 Jun

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

30 Sept

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

26 Oct

ONT06:02Ontario

30h 58m

1 stop

SYD07:00Sydney Kingsford Smith

$1,333

United Airlines

14 July

SYD10:20Sydney Kingsford Smith

27h 22m

2 stops

ONT20:42Ontario

25 Aug

ONT09:15Ontario

52h 40m

2 stops

SYD06:55Sydney Kingsford Smith

$1,334

United Airlines

1 June

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

14 June

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,336

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/7

20:45-21:45

1 stop18h 00m

Ontario

Tue 28/7

09:11-18:50

1 stop40h 39m

$1,174

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 25/8

20:45-22:10

1 stop18h 25m

Ontario

Tue 1/9

09:31-18:50

1 stop40h 19m

$1,204

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 11/6

20:45-21:45

1 stop18h 00m

Ontario

Thu 25/6

09:11-18:50

1 stop40h 39m

$1,212

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 16/6

20:45-21:45

1 stop18h 00m

Ontario

Tue 30/6

09:11-18:50

1 stop40h 39m

$1,215

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 20/8

20:45-22:10

1 stop18h 25m

Ontario

Thu 27/8

09:31-18:50

1 stop40h 19m

$1,243

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 1/10

20:45-22:10

1 stop18h 25m

Ontario

Thu 29/10

07:00-19:45

1 stop18h 45m

$1,254

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 19/7

20:45-21:45

1 stop18h 00m

Ontario

Wed 5/8

09:11-18:50

1 stop40h 39m

$1,255

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 12/6

20:45-21:45

1 stop18h 00m

Ontario

Thu 25/6

09:11-18:50

1 stop40h 39m

$1,258

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 30/7

20:45-21:45

1 stop18h 00m

Ontario

Fri 7/8

09:11-18:50

1 stop40h 39m

$1,263

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 14/6

20:45-21:45

1 stop18h 00m

Ontario

Tue 30/6

09:11-18:50

1 stop40h 39m

$1,268

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 54% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 15 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	16h 43m
Direct flights	None

The fastest flight from Sydney to Ontario takes 16h 43m

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

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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 43m.
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.