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.

$811 Cheap Flights from Sydney to Ontario in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 21:20

SYD

ONT

17h 35m

1 stop

09:00 - 18:50

ONT

SYD

39h 50m

1 stop

$1,342Multiple Airlines

Tue, 15 Sep - Tue, 13 Oct

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,368Multiple Airlines

Fri, 1 May - Wed, 13 May

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:20 - 18:50

ONT

SYD

18h 30m

1 stop

$1,391Multiple Airlines

Tue, 30 Jun - Fri, 21 Aug

20:45 - 22:17

SYD

ONT

18h 32m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,395Multiple Airlines

Sun, 24 May - Sun, 31 May

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,403Multiple Airlines

Thu, 23 Apr - Thu, 4 Jun

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

$1,409Multiple Airlines

Thu, 23 Apr - Fri, 7 Aug

20:45 - 22:59

SYD

ONT

19h 14m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,439Multiple Airlines

Tue, 21 Apr - Wed, 3 Jun

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,467Multiple Airlines

Fri, 8 May - Fri, 15 May

10:20 - 09:41

SYD

ONT

16h 21m

1 stop

13:18 - 06:55

ONT

SYD

24h 37m

2 stops

$1,484United Airlines

Wed, 6 May - Wed, 27 May

10:20 - 09:56

SYD

ONT

16h 36m

1 stop

18:39 - 06:55

ONT

SYD

19h 16m

1 stop

$1,487United Airlines

Mon, 27 Apr - Mon, 15 Jun

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets

United Airlines

6 May

SYD10:20Sydney Kingsford Smith

16h 21m

1 stop

ONT09:41Ontario

27 May

ONT13:18Ontario

24h 37m

2 stops

SYD06:55Sydney Kingsford Smith

$1,484

United Airlines

27 Apr

SYD10:20Sydney Kingsford Smith

16h 36m

1 stop

ONT09:56Ontario

15 June

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

$1,487

United Airlines

27 Apr

SYD10:20Sydney Kingsford Smith

19h 00m

1 stop

ONT12:20Ontario

10 May

ONT18:59Ontario

18h 56m

1 stop

SYD06:55Sydney Kingsford Smith

$1,491

China Airlines flights from Sydney to Ontario

Our best China Airlines deals on Sydney to Ontario flight tickets

China Airlines

23 Apr

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

5 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$2,150

China Airlines

22 Apr

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

1 June

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$2,631

China Airlines

20 Apr

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

31 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$2,736

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 15/9

20:45-21:20

1 stop17h 35m

Ontario

Tue 13/10

09:00-18:50

1 stop39h 50m

$1,342

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 1/5

20:45-21:10

1 stop17h 25m

Ontario

Wed 13/5

09:40-18:50

1 stop40h 10m

$1,368

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 30/6

20:45-21:45

1 stop18h 00m

Ontario

Fri 21/8

07:20-18:50

1 stop18h 30m

$1,391

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 24/5

20:45-22:17

1 stop18h 32m

Ontario

Sun 31/5

09:40-18:50

1 stop40h 10m

$1,395

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/4

20:45-21:10

1 stop17h 25m

Ontario

Thu 4/6

09:40-18:50

1 stop40h 10m

$1,403

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/4

20:45-21:10

1 stop17h 25m

Ontario

Fri 7/8

09:11-18:50

1 stop40h 39m

$1,409

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 21/4

20:45-22:59

1 stop19h 14m

Ontario

Wed 3/6

09:40-18:50

1 stop40h 10m

$1,439

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 8/5

20:45-21:10

1 stop17h 25m

Ontario

Fri 15/5

09:40-18:50

1 stop40h 10m

$1,467

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 6/5

10:20-09:41

1 stop16h 21m

Ontario

Wed 27/5

13:18-06:55

2 stops24h 37m

$1,484

Fastest return journey

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 27/4

10:20-09:56

1 stop16h 36m

Ontario

Mon 15/6

18:39-06:55

1 stop19h 16m

$1,487

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 53% 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.

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 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.