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.

$815 Cheap Flights from Sydney to Ontario in 2026

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Find the cheapest flights from Sydney to Los Angeles

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,233Multiple Airlines

Thu, 4 Jun - Tue, 30 Jun

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,234Multiple Airlines

Tue, 28 Jul - Sun, 9 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:20 - 18:50

ONT

SYD

18h 30m

1 stop

$1,292Multiple Airlines

Tue, 4 Aug - Wed, 19 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,299Multiple 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

$1,304Multiple Airlines

Thu, 4 Jun - Thu, 25 Jun

09:15 - 23:34

SYD

ONT

31h 19m

2 stops

13:29 - 06:50

ONT

SYD

24h 21m

2 stops

$1,338Delta

Tue, 26 May - Tue, 2 Jun

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,341Multiple Airlines

Thu, 28 May - Fri, 5 Jun

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,345Multiple Airlines

Tue, 12 May - Tue, 26 May

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:20 - 18:50

ONT

SYD

18h 30m

1 stop

$1,362Multiple Airlines

Fri, 31 Jul - Wed, 19 Aug

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,363Multiple Airlines

Fri, 29 May - Wed, 10 Jun

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

13 May

SYD10:20Sydney Kingsford Smith

16h 21m

1 stop

ONT09:41Ontario

26 May

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,410

United Airlines

7 May

SYD10:20Sydney Kingsford Smith

19h 02m

1 stop

ONT12:22Ontario

20 May

ONT18:59Ontario

18h 56m

1 stop

SYD06:55Sydney Kingsford Smith

$1,412

United Airlines

20 May

SYD10:20Sydney Kingsford Smith

16h 21m

1 stop

ONT09:41Ontario

31 May

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,413

China Airlines flights from Sydney to Ontario

Our best China Airlines deals on Sydney to Ontario flight tickets

China Airlines

10 May

SYD18:30Sydney Kingsford Smith

40h 30m

2 stops

ONT18:00Ontario

1 Dec

ONT22:50Ontario

42h 25m

1 stop

SYD12:15Sydney Kingsford Smith

$2,695

China Airlines

6 May

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

25 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$2,870

China Airlines

10 May

SYD18:15Sydney Kingsford Smith

40h 45m

2 stops

ONT18:00Ontario

31 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$2,900

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 4/6

20:45-22:17

1 stop18h 32m

Ontario

Tue 30/6

09:11-18:50

1 stop40h 39m

$1,233

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 28/7

20:45-21:45

1 stop18h 00m

Ontario

Sun 9/8

09:11-18:50

1 stop40h 39m

$1,234

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 4/8

20:45-21:45

1 stop18h 00m

Ontario

Wed 19/8

07:20-18:50

1 stop18h 30m

$1,292

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

$1,299

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 4/6

20:45-22:17

1 stop18h 32m

Ontario

Thu 25/6

09:11-18:50

1 stop40h 39m

$1,304

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 26/5

09:15-23:34

2 stops31h 19m

Ontario

Tue 2/6

13:29-06:50

2 stops24h 21m

$1,338

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 28/5

20:45-22:17

1 stop18h 32m

Ontario

Fri 5/6

09:40-18:50

1 stop40h 10m

$1,341

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 12/5

20:45-21:10

1 stop17h 25m

Ontario

Tue 26/5

09:40-18:50

1 stop40h 10m

$1,345

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 31/7

20:45-21:45

1 stop18h 00m

Ontario

Wed 19/8

07:20-18:50

1 stop18h 30m

$1,362

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 29/5

20:45-22:17

1 stop18h 32m

Ontario

Wed 10/6

09:11-18:50

1 stop40h 39m

$1,363

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	17h 25m
Direct flights	None

The fastest flight from Sydney to Ontario takes 17h 25m

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 17h 25m.
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.