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Cheap flights from Sydney to Los Angeles from $551

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Los Angeles departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$838Multiple Airlines
Thu, Aug 13 - Tue, Aug 18
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$840Multiple Airlines
Tue, Jun 16 - Tue, Jul 28
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$862Multiple Airlines
Thu, Jul 23 - Sun, Aug 9
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$867Multiple Airlines
Thu, Jun 18 - Tue, Jul 28
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$871Multiple Airlines
Sun, Jul 26 - Tue, Aug 18
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$873Multiple Airlines
Tue, Jul 28 - Wed, Aug 5
Multiple Airlines Logo
8:45 pm - 9:45 pm
SYD
-
ONT
18h 00m
1 stop
Multiple Airlines Logo
9:11 am - 6:50 pm
ONT
-
SYD
40h 39m
1 stop
$875Multiple Airlines
Thu, Jul 23 - Fri, Jul 31
Multiple Airlines Logo
8:45 pm - 9:22 pm
SYD
-
ONT
18h 37m
1 stop
Multiple Airlines Logo
7:00 am - 6:50 pm
ONT
-
SYD
17h 50m
1 stop
$876Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
8:45 pm - 9:22 pm
SYD
-
ONT
18h 37m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 pm
ONT
-
SYD
18h 45m
1 stop
$889Multiple Airlines
Tue, Oct 20 - Thu, Oct 29
Multiple Airlines Logo
8:45 pm - 9:22 pm
SYD
-
ONT
18h 37m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 pm
ONT
-
SYD
18h 45m
1 stop
$890Multiple Airlines
Fri, Oct 16 - Mon, Oct 26

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets
United Airlines
Jul 16
SYD10:20 amSydney Kingsford Smith
18h 52m
1 stop
ONT12:12 pmOntario
Aug 3
ONT1:50 pmOntario
24h 05m
1 stop
SYD6:55 amSydney Kingsford Smith
$953
United Airlines
Jun 8
SYD10:20 amSydney Kingsford Smith
18h 52m
1 stop
ONT12:12 pmOntario
Jun 22
ONT6:39 pmOntario
19h 16m
1 stop
SYD6:55 amSydney Kingsford Smith
$956
United Airlines
Oct 15
SYD11:20 amSydney Kingsford Smith
18h 52m
1 stop
ONT12:12 pmOntario
Oct 25
ONT6:53 pmOntario
20h 22m
1 stop
SYD9:15 amSydney Kingsford Smith
$958

China Airlines flights from Sydney to Ontario

Our best China Airlines deals on Sydney to Ontario flight tickets
China Airlines
Jun 10
SYD10:10 pmSydney Kingsford Smith
36h 50m
1 stop
ONT6:00 pmOntario
Aug 9
ONT12:45 amOntario
45h 45m
2 stops
SYD3:30 pmSydney Kingsford Smith
$1,891
China Airlines
Jun 8
SYD10:10 pmSydney Kingsford Smith
36h 50m
1 stop
ONT6:00 pmOntario
Jun 21
ONT12:10 amOntario
45h 45m
2 stops
SYD2:55 pmSydney Kingsford Smith
$2,120
China Airlines
Jun 8
SYD10:10 pmSydney Kingsford Smith
36h 50m
1 stop
ONT6:00 pmOntario
Jun 21
ONT12:10 amOntario
45h 45m
2 stops
SYD2:55 pmSydney Kingsford Smith
$2,125

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 6, 2026.
Use the filters below to find and compare flights from Sydney to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 8/13

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Tue 8/18

9:11 am-6:50 pm

1 stop40h 39m

$838

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 6/16

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Tue 7/28

9:11 am-6:50 pm

1 stop40h 39m

$840

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 7/23

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Sun 8/9

9:11 am-6:50 pm

1 stop40h 39m

$862

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 6/18

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Tue 7/28

9:11 am-6:50 pm

1 stop40h 39m

$867

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 7/26

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Tue 8/18

9:11 am-6:50 pm

1 stop40h 39m

$871

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 7/28

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Wed 8/5

9:11 am-6:50 pm

1 stop40h 39m

$873

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 7/23

8:45 pm-9:45 pm

1 stop18h 00m

Ontario

Fri 7/31

9:11 am-6:50 pm

1 stop40h 39m

$875
Quickest round-trip

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 10/13

8:45 pm-9:22 pm

1 stop18h 37m

Ontario

Wed 10/21

7:00 am-6:50 pm

1 stop17h 50m

$876

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 10/20

8:45 pm-9:22 pm

1 stop18h 37m

Ontario

Thu 10/29

7:00 am-7:45 pm

1 stop18h 45m

$889

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 10/16

8:45 pm-9:22 pm

1 stop18h 37m

Ontario

Mon 10/26

7:00 am-7:45 pm

1 stop18h 45m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

What 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 49% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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 round-trip 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 43m

Direct flights

None
The fastest flight from Sydney to Ontario takes 16h 43m
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?

    A flight from Sydney Kingsford Smith to Ontario will travel around 7527.4 mi. A reasonable flight in good conditions will take 16h 43m.

  • 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 are refreshed on a daily basis.

  • 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 license 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Ontario for you.

Can I find flights from Sydney to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Sydney with this policy.

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?

Price alerts on flights to Ontario from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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