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.

$694 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 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,052Multiple Airlines

Thu, 6 Aug - Tue, 18 Aug

20:45 - 21:22

SYD

ONT

18h 37m

1 stop

07:00 - 19:45

ONT

SYD

18h 45m

1 stop

$1,064Multiple Airlines

Thu, 15 Oct - Wed, 28 Oct

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:00 - 18:50

ONT

SYD

17h 50m

1 stop

$1,088Multiple Airlines

Thu, 6 Aug - Wed, 14 Oct

09:15 - 23:48

SYD

ONT

31h 33m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,127Delta

Tue, 21 Jul - Tue, 28 Jul

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,142Multiple Airlines

Thu, 16 Jul - Tue, 11 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

09:31 - 18:50

ONT

SYD

40h 19m

1 stop

$1,174Multiple Airlines

Sun, 2 Aug - Sun, 23 Aug

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

13:50 - 06:55

ONT

SYD

24h 05m

1 stop

$1,200Lufthansa

Mon, 20 Jul - Wed, 5 Aug

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

18:39 - 06:55

ONT

SYD

19h 16m

1 stop

$1,201United Airlines

Mon, 20 Jul - Wed, 5 Aug

10:20 - 22:37

SYD

ONT

29h 17m

1 stop

13:56 - 06:55

ONT

SYD

23h 59m

1 stop

$1,203Lufthansa

Mon, 27 Jul - Tue, 11 Aug

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

13:50 - 06:55

ONT

SYD

24h 05m

1 stop

$1,206Lufthansa

Mon, 20 Jul - Wed, 5 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

20 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

5 Aug

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,201

United Airlines

5 Nov

SYD11:50Sydney Kingsford Smith

30h 03m

1 stop

ONT22:53Ontario

8 Nov

ONT05:00Ontario

33h 20m

2 stops

SYD09:20Sydney Kingsford Smith

$1,207

United Airlines

20 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

5 Aug

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,209

Air New Zealand flights from Sydney to Ontario

Our best Air New Zealand deals on Sydney to Ontario flight tickets

Air New Zealand

13 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

17 July

ONT13:50Ontario

24h 05m

1 stop

SYD06:55Sydney Kingsford Smith

$2,443

Air New Zealand

4 July

SYD10:20Sydney Kingsford Smith

25h 13m

1 stop

ONT18:33Ontario

11 July

ONT16:20Ontario

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

$2,578

Air New Zealand

11 July

SYD10:20Sydney Kingsford Smith

22h 09m

1 stop

ONT15:29Ontario

18 July

ONT13:50Ontario

24h 05m

1 stop

SYD06:55Sydney Kingsford Smith

$2,755

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 6/8

20:45-21:45

1 stop18h 00m

Ontario

Tue 18/8

09:11-18:50

1 stop40h 39m

$1,052

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 15/10

20:45-21:22

1 stop18h 37m

Ontario

Wed 28/10

07:00-19:45

1 stop18h 45m

$1,064

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 6/8

20:45-21:45

1 stop18h 00m

Ontario

Wed 14/10

07:00-18:50

1 stop17h 50m

$1,088

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 21/7

09:15-23:48

2 stops31h 33m

Ontario

Tue 28/7

06:00-06:50

2 stops31h 50m

$1,127

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 16/7

20:45-21:45

1 stop18h 00m

Ontario

Tue 11/8

09:11-18:50

1 stop40h 39m

$1,142

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 2/8

20:45-21:45

1 stop18h 00m

Ontario

Sun 23/8

09:31-18:50

1 stop40h 19m

$1,174

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 20/7

10:20-12:12

1 stop18h 52m

Ontario

Wed 5/8

13:50-06:55

1 stop24h 05m

$1,200

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 20/7

10:20-12:12

1 stop18h 52m

Ontario

Wed 5/8

18:39-06:55

1 stop19h 16m

$1,201

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 27/7

10:20-22:37

1 stop29h 17m

Ontario

Tue 11/8

13:56-06:55

1 stop23h 59m

$1,203

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 20/7

10:20-12:12

1 stop18h 52m

Ontario

Wed 5/8

13:50-06:55

1 stop24h 05m

$1,206

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?

Lufthansa and United Airlines are the most popular carriers 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 51% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 14 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 03m
Direct flights	None

The fastest flight from Sydney to Ontario takes 17h 03m

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 03m.
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.