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Cheap flights from Sydney to Los Angeles from $825

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:40 - 22:15
SYD
-
ONT
19h 35m
1 stop
Multiple Airlines Logo
08:41 - 19:45
ONT
-
SYD
40h 04m
1 stop
$1,454Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Delta Logo
13:15 - 16:28
SYD
-
ONT
21h 13m
2 stops
Delta Logo
06:00 - 07:50
ONT
-
SYD
31h 50m
2 stops
$1,457Delta
Tue, 17 Mar - Tue, 31 Mar
Multiple Airlines Logo
20:45 - 21:10
SYD
-
ONT
17h 25m
1 stop
Multiple Airlines Logo
09:30 - 18:50
ONT
-
SYD
40h 20m
1 stop
$1,499Multiple Airlines
Thu, 7 May - Fri, 22 May
Multiple Airlines Logo
21:40 - 20:55
SYD
-
ONT
17h 15m
1 stop
Multiple Airlines Logo
08:32 - 18:50
ONT
-
SYD
40h 18m
1 stop
$1,506Multiple Airlines
Tue, 17 Mar - Tue, 31 Mar
United Airlines Logo
12:10 - 12:38
SYD
-
ONT
19h 28m
1 stop
United Airlines Logo
05:00 - 07:00
ONT
-
SYD
31h 00m
2 stops
$1,535United Airlines
Mon, 16 Feb - Mon, 2 Mar
United Airlines Logo
11:50 - 21:59
SYD
-
ONT
29h 09m
1 stop
United Airlines Logo
05:00 - 09:15
ONT
-
SYD
33h 15m
2 stops
$1,545United Airlines
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
12:10 - 12:18
SYD
-
ONT
18h 08m
1 stop
United Airlines Logo
13:50 - 06:20
ONT
-
SYD
22h 30m
2 stops
$1,554United Airlines
Wed, 11 Mar - Wed, 18 Mar
United Airlines Logo
10:20 - 09:56
SYD
-
ONT
16h 36m
1 stop
United Airlines Logo
18:59 - 06:55
ONT
-
SYD
18h 56m
1 stop
$1,571United Airlines
Fri, 17 Apr - Sun, 3 May
United Airlines Logo
12:10 - 12:17
SYD
-
ONT
19h 07m
1 stop
United Airlines Logo
18:49 - 06:55
ONT
-
SYD
19h 06m
1 stop
$1,583United Airlines
Sat, 7 Feb - Mon, 27 Apr
United Airlines Logo
10:20 - 12:20
SYD
-
ONT
19h 00m
1 stop
United Airlines Logo
06:00 - 06:55
ONT
-
SYD
31h 55m
1 stop
$1,584United Airlines
Sun, 19 Jul - Mon, 3 Aug

China Airlines flights from Sydney to Ontario

Our best China Airlines deals on Sydney to Ontario flight tickets
China Airlines
17 June
SYD22:10Sydney Kingsford Smith
36h 50m
1 stop
ONT18:00Ontario
30 June
ONT00:45Ontario
41h 00m
1 stop
SYD10:45Sydney Kingsford Smith
$1,764
China Airlines
27 Apr
SYD22:10Sydney Kingsford Smith
36h 50m
1 stop
ONT18:00Ontario
8 May
ONT00:10Ontario
41h 35m
1 stop
SYD10:45Sydney Kingsford Smith
$1,801
China Airlines
19 Apr
SYD22:10Sydney Kingsford Smith
36h 50m
1 stop
ONT18:00Ontario
26 Apr
ONT00:10Ontario
41h 35m
1 stop
SYD10:45Sydney Kingsford Smith
$1,803

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets
United Airlines
26 Jan
SYD12:10Sydney Kingsford Smith
18h 08m
1 stop
ONT11:18Ontario
8 Feb
ONT13:53Ontario
21h 27m
1 stop
SYD06:20Sydney Kingsford Smith
$1,522
United Airlines
16 Feb
SYD12:10Sydney Kingsford Smith
19h 28m
1 stop
ONT12:38Ontario
2 Mar
ONT05:00Ontario
31h 00m
2 stops
SYD07:00Sydney Kingsford Smith
$1,535
United Airlines
26 Jan
SYD12:10Sydney Kingsford Smith
18h 08m
1 stop
ONT11:18Ontario
8 Feb
ONT18:39Ontario
19h 36m
1 stop
SYD09:15Sydney Kingsford Smith
$1,541

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 25 January 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

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 12/2

21:40-22:15

1 stop19h 35m

Ontario

Sun 15/2

08:41-19:45

1 stop40h 04m

$1,454

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 17/3

13:15-16:28

2 stops21h 13m

Ontario

Tue 31/3

06:00-07:50

2 stops31h 50m

$1,456

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 7/5

20:45-21:10

1 stop17h 25m

Ontario

Fri 22/5

09:30-18:50

1 stop40h 20m

$1,499

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 17/3

21:40-20:55

1 stop17h 15m

Ontario

Tue 31/3

08:32-18:50

1 stop40h 18m

$1,506

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 16/2

12:10-12:38

1 stop19h 28m

Ontario

Mon 2/3

05:00-07:00

2 stops31h 00m

$1,535

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 25/2

11:50-21:59

1 stop29h 09m

Ontario

Wed 4/3

05:00-09:15

2 stops33h 15m

$1,545

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 11/3

12:10-12:18

1 stop18h 08m

Ontario

Wed 18/3

13:50-06:20

2 stops22h 30m

$1,554

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 17/4

10:20-09:56

1 stop16h 36m

Ontario

Sun 3/5

18:59-06:55

1 stop18h 56m

$1,571

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 7/2

12:10-12:17

1 stop19h 07m

Ontario

Mon 27/4

18:49-06:55

1 stop19h 06m

$1,583

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 19/7

10:20-12:20

1 stop19h 00m

Ontario

Mon 3/8

06:00-06:55

1 stop31h 55m

$1,584

Flights are sorted by cheapest return 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?

Hawaiian 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.
Search flight deals

  • 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?

  • 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?

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 AirlinesPriceFrom $1,220Free cancellationRating
7.4
9,198 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.

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