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.

$812 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

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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

$1,229Multiple Airlines

Tue, 4 Aug - Tue, 11 Aug

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,239Multiple Airlines

Tue, 2 Jun - Tue, 30 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,294Multiple Airlines

Thu, 11 Jun - Wed, 12 Aug

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,295Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,305Multiple Airlines

Tue, 21 Jul - Thu, 6 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,306Multiple Airlines

Thu, 11 Jun - Thu, 25 Jun

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,308Multiple Airlines

Thu, 4 Jun - Wed, 24 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,313Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,338Multiple Airlines

Thu, 11 Jun - Tue, 11 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:20 - 18:50

ONT

SYD

18h 30m

1 stop

$1,341Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

19 May

SYD10:20Sydney Kingsford Smith

16h 21m

1 stop

ONT09:41Ontario

3 June

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,352

United Airlines

23 June

SYD10:20Sydney Kingsford Smith

29h 17m

1 stop

ONT22:37Ontario

14 July

ONT05:00Ontario

32h 55m

2 stops

SYD06:55Sydney Kingsford Smith

$1,363

United Airlines

23 June

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

30 June

ONT05:45Ontario

32h 10m

2 stops

SYD06:55Sydney Kingsford Smith

$1,364

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets

Alaska Airlines

14 May

SYD20:45Sydney Kingsford Smith

18h 32m

1 stop

ONT22:17Ontario

15 May

ONT09:40Ontario

40h 10m

1 stop

SYD18:50Sydney Kingsford Smith

$1,647

Alaska Airlines

14 May

SYD20:45Sydney Kingsford Smith

18h 32m

1 stop

ONT22:17Ontario

15 May

ONT12:04Ontario

37h 46m

2 stops

SYD18:50Sydney Kingsford Smith

$1,906

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 4/8

20:45-21:45

1 stop18h 00m

Ontario

Tue 11/8

09:11-18:50

1 stop40h 39m

$1,229

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 2/6

20:45-22:17

1 stop18h 32m

Ontario

Tue 30/6

09:11-18:50

1 stop40h 39m

$1,239

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 11/6

20:45-21:45

1 stop18h 00m

Ontario

Wed 12/8

09:11-18:50

1 stop40h 39m

$1,294

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 4/6

20:45-22:17

1 stop18h 32m

Ontario

Thu 11/6

09:11-18:50

1 stop40h 39m

$1,295

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 21/7

20:45-21:45

1 stop18h 00m

Ontario

Thu 6/8

09:11-18:50

1 stop40h 39m

$1,305

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

$1,306

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 4/6

20:45-22:17

1 stop18h 32m

Ontario

Wed 24/6

09:11-18:50

1 stop40h 39m

$1,308

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 11/8

20:45-21:45

1 stop18h 00m

Ontario

Tue 18/8

09:11-18:50

1 stop40h 39m

$1,313

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 11/6

20:45-21:45

1 stop18h 00m

Ontario

Tue 11/8

09:11-18:50

1 stop40h 39m

$1,338

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 13/8

20:45-21:45

1 stop18h 00m

Ontario

Thu 20/8

07:20-18:50

1 stop18h 30m

$1,341

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 21m
Direct flights	None

The fastest flight from Sydney to Ontario takes 16h 21m

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 21m.
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.