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 many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ontario Airport?

The number of operators available for flights from Sydney Kingsford Smith Airport to Ontario Airport is 1 as of February 2026.

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.

$862 Cheap Flights from Sydney to Ontario in 2026

1 adult

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Find the cheapest flights from Sydney to Los Angeles

Round-trip

One-way

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20:45 - 22:20

SYD

ONT

18h 35m

1 stop

08:00 - 18:50

ONT

SYD

17h 50m

1 stop

$1,070Multiple Airlines

Thu, 6 Aug - Mon, 31 Aug

09:40 - 23:51

SYD

ONT

32h 11m

2 stops

06:00 - 07:50

ONT

SYD

31h 50m

2 stops

$1,111Delta

Mon, 23 Mar - Mon, 30 Mar

21:40 - 22:15

SYD

ONT

19h 35m

1 stop

08:45 - 19:45

ONT

SYD

41h 00m

1 stop

$1,118Multiple Airlines

Tue, 3 Mar - Tue, 17 Mar

20:45 - 22:20

SYD

ONT

18h 35m

1 stop

08:00 - 18:50

ONT

SYD

17h 50m

1 stop

$1,144Multiple Airlines

Thu, 6 Aug - Sat, 29 Aug

10:20 - 12:20

SYD

ONT

19h 00m

1 stop

18:53 - 06:55

ONT

SYD

19h 02m

1 stop

$1,183United Airlines

Thu, 18 Jun - Tue, 7 Jul

12:10 - 22:36

SYD

ONT

28h 26m

2 stops

13:34 - 07:55

ONT

SYD

24h 21m

2 stops

$1,184United Airlines

Mon, 23 Mar - Mon, 30 Mar

11:50 - 18:07

SYD

ONT

24h 17m

1 stop

13:34 - 07:55

ONT

SYD

24h 21m

2 stops

$1,185United Airlines

Tue, 24 Mar - Tue, 31 Mar

12:10 - 20:50

SYD

ONT

27h 40m

2 stops

13:45 - 09:15

ONT

SYD

48h 30m

2 stops

$1,191United Airlines

Thu, 19 Feb - Mon, 23 Feb

12:10 - 20:50

SYD

ONT

27h 40m

2 stops

13:45 - 09:15

ONT

SYD

48h 30m

2 stops

$1,193United Airlines

Thu, 19 Feb - Mon, 23 Feb

21:40 - 22:15

SYD

ONT

19h 35m

1 stop

08:45 - 19:45

ONT

SYD

41h 00m

1 stop

$1,194Multiple Airlines

Fri, 27 Feb - Tue, 17 Mar

China Airlines flights from Sydney to Ontario

Our best China Airlines deals on Sydney to Ontario flight tickets

China Airlines

18 May

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

24 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$1,670

China Airlines

17 Feb

SYD22:10Sydney Kingsford Smith

37h 40m

1 stop

ONT16:50Ontario

24 Mar

ONT23:50Ontario

42h 25m

1 stop

SYD12:15Sydney Kingsford Smith

$2,215

China Airlines

16 Feb

SYD22:10Sydney Kingsford Smith

37h 40m

1 stop

ONT16:50Ontario

1 Mar

ONT22:50Ontario

47h 25m

2 stops

SYD17:15Sydney Kingsford Smith

$2,740

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

19 Feb

SYD11:50Sydney Kingsford Smith

29h 09m

1 stop

ONT21:59Ontario

23 Feb

ONT05:00Ontario

57h 15m

2 stops

SYD09:15Sydney Kingsford Smith

$1,183

United Airlines

23 Mar

SYD12:10Sydney Kingsford Smith

28h 26m

2 stops

ONT22:36Ontario

30 Mar

ONT13:34Ontario

24h 21m

2 stops

SYD07:55Sydney Kingsford Smith

$1,184

United Airlines

24 Mar

SYD11:50Sydney Kingsford Smith

24h 17m

1 stop

ONT18:07Ontario

31 Mar

ONT13:34Ontario

24h 21m

2 stops

SYD07:55Sydney Kingsford Smith

$1,185

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 6/8

20:45-22:20

1 stop18h 35m

Ontario

Mon 31/8

08:00-18:50

1 stop17h 50m

$1,070

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 23/3

09:40-23:51

2 stops32h 11m

Ontario

Mon 30/3

06:00-07:50

2 stops31h 50m

$1,111

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 3/3

21:40-22:15

1 stop19h 35m

Ontario

Tue 17/3

08:45-19:45

1 stop41h 00m

$1,118

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 6/8

20:45-22:20

1 stop18h 35m

Ontario

Sat 29/8

08:00-18:50

1 stop17h 50m

$1,144

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 18/6

10:20-12:20

1 stop19h 00m

Ontario

Tue 7/7

18:53-06:55

1 stop19h 02m

$1,183

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 23/3

12:10-22:36

2 stops28h 26m

Ontario

Mon 30/3

13:34-07:55

2 stops24h 21m

$1,184

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 24/3

11:50-18:07

1 stop24h 17m

Ontario

Tue 31/3

13:34-07:55

2 stops24h 21m

$1,185

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 19/2

12:10-20:50

2 stops27h 40m

Ontario

Mon 23/2

13:45-09:15

2 stops48h 30m

$1,191

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 19/2

12:10-20:50

2 stops27h 40m

Ontario

Mon 23/2

13:45-09:15

2 stops48h 30m

$1,193

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 27/2

21:40-22:15

1 stop19h 35m

Ontario

Tue 17/3

08:45-19:45

1 stop41h 00m

$1,194

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 52% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 16 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 36m
Direct flights	None

The fastest flight from Sydney to Ontario takes 16h 36m

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

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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 36m.
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 many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ontario Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Ontario Airport is 1 as of February 2026.
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.
What is the most popular airline from Sydney to Ontario?
momondo data reveals that the most frequently booked airline on the route from Sydney to Ontario is United Airlines, representing 100% of all bookings.

Best airlines flying from Sydney to Ontario

Compare and see reviews for airlines that fly from Sydney to Ontario with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,199	Free cancellation	Rating 7.4 9,257 reviews		Search United Airlines flights

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.