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Cheap flights from Sydney to Los Angeles from $725

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 27/11. 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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Find the cheapest flights from Sydney to Los Angeles (SYD-ONT)

Cheap return flights

United Airlines Logo
12:10 - 12:37SYD-ONT
19h 27m1 stop
United Airlines Logo
06:00 - 07:00ONT-SYD
30h 00m1 stop
$1,304United Airlines
Find Deal
Mon, 24 Nov - Tue, 6 Jan
United Airlines Logo
10:20 - 17:37SYD-ONT
24h 17m1 stop
United Airlines Logo
13:15 - 06:55ONT-SYD
48h 40m2 stops
$1,306United Airlines
Find Deal
Mon, 8 Sep - Sat, 13 Sep
United Airlines Logo
10:20 - 12:13SYD-ONT
18h 53m1 stop
United Airlines Logo
18:50 - 06:55ONT-SYD
19h 05m1 stop
$1,307United Airlines
Find Deal
Thu, 11 Sep - Mon, 15 Sep
United Airlines Logo
11:20 - 12:13SYD-ONT
18h 53m1 stop
United Airlines Logo
18:38 - 09:15ONT-SYD
19h 37m1 stop
$1,312United Airlines
Find Deal
Wed, 15 Oct - Wed, 12 Nov
Alaska Airlines Logo
21:40 - 12:37SYD-ONT
32h 57m2 stops
Alaska Airlines Logo
09:45 - 19:45ONT-SYD
40h 00m1 stop
$1,508Alaska Airlines
Find Deal
Sun, 19 Oct - Sun, 26 Oct
Alaska Airlines Logo
21:40 - 10:44SYD-ONT
54h 04m2 stops
Alaska Airlines Logo
10:09 - 19:45ONT-SYD
40h 36m1 stop
$1,521Alaska Airlines
Find Deal
Tue, 16 Sep - Tue, 30 Sep
China Airlines Logo
22:10 - 18:00SYD-ONT
37h 50m1 stop
China Airlines Logo
23:50 - 12:15ONT-SYD
42h 25m1 stop
$1,888China Airlines
Find Deal
Thu, 23 Oct - Tue, 28 Oct
China Airlines Logo
22:10 - 18:00SYD-ONT
37h 50m1 stop
China Airlines Logo
22:50 - 12:15ONT-SYD
42h 25m1 stop
$1,898China Airlines
Find Deal
Thu, 23 Oct - Sat, 13 Dec
Hawaiian Airlines Logo
21:40 - 22:03SYD-ONT
19h 23m1 stop
Hawaiian Airlines Logo
09:50 - 19:45ONT-SYD
38h 55m1 stop
$1,979Hawaiian Airlines
Find Deal
Thu, 25 Dec - Sat, 10 Jan
Hawaiian Airlines Logo
21:40 - 20:23SYD-ONT
17h 43m1 stop
Hawaiian Airlines Logo
09:50 - 19:45ONT-SYD
38h 55m1 stop
$2,031Hawaiian Airlines
Find Deal
Fri, 12 Dec - Thu, 15 Jan

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets
United Airlines
24 Nov
SYD12:10Sydney Kingsford Smith
19h 27m
1 stop
ONT12:37Ontario
6 Jan
ONT06:00Ontario
30h 00m
1 stop
SYD07:00Sydney Kingsford Smith
$1,304
Find similar
United Airlines
8 Sept
SYD10:20Sydney Kingsford Smith
24h 17m
1 stop
ONT17:37Ontario
13 Sept
ONT13:15Ontario
48h 40m
2 stops
SYD06:55Sydney Kingsford Smith
$1,306
Find similar
United Airlines
11 Sept
SYD10:20Sydney Kingsford Smith
18h 53m
1 stop
ONT12:13Ontario
15 Sept
ONT18:50Ontario
19h 05m
1 stop
SYD06:55Sydney Kingsford Smith
$1,307
Find similar

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets
Alaska Airlines
19 Oct
SYD21:40Sydney Kingsford Smith
32h 57m
2 stops
ONT12:37Ontario
26 Oct
ONT09:45Ontario
40h 00m
1 stop
SYD19:45Sydney Kingsford Smith
$1,508
Find similar
Alaska Airlines
16 Sept
SYD21:40Sydney Kingsford Smith
54h 04m
2 stops
ONT10:44Ontario
30 Sept
ONT10:09Ontario
40h 36m
1 stop
SYD19:45Sydney Kingsford Smith
$1,521
Find similar
Alaska Airlines
2 Sept
SYD21:40Sydney Kingsford Smith
30h 04m
2 stops
ONT10:44Ontario
11 Sept
ONT08:35Ontario
18h 10m
1 stop
SYD19:45Sydney Kingsford Smith
$1,534
Find similar

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 29 August 2025.
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

Mon 24/11

12:10-12:37

1 stop19h 27m

Ontario

Tue 6/1

06:00-07:00

1 stop30h 00m

$1,304

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 8/9

10:20-17:37

1 stop24h 17m

Ontario

Sat 13/9

13:15-06:55

2 stops48h 40m

$1,306

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 11/9

10:20-12:13

1 stop18h 53m

Ontario

Mon 15/9

18:50-06:55

1 stop19h 05m

$1,307

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 15/10

11:20-12:13

1 stop18h 53m

Ontario

Wed 12/11

18:38-09:15

1 stop19h 37m

$1,312

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 19/10

21:40-12:37

2 stops32h 57m

Ontario

Sun 26/10

09:45-19:45

1 stop40h 00m

$1,508

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 16/9

21:40-10:44

2 stops54h 04m

Ontario

Tue 30/9

10:09-19:45

1 stop40h 36m

$1,521

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/10

22:10-18:00

1 stop37h 50m

Ontario

Tue 28/10

23:50-12:15

1 stop42h 25m

$1,888

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/10

22:10-18:00

1 stop37h 50m

Ontario

Sat 13/12

22:50-12:15

1 stop42h 25m

$1,898

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 25/12

21:40-22:03

1 stop19h 23m

Ontario

Sat 10/1

09:50-19:45

1 stop38h 55m

$1,979

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 12/12

21:40-20:23

1 stop17h 43m

Ontario

Thu 15/1

09:50-19:45

1 stop38h 55m

$2,031

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 typical price of a round-trip flight between Sydney and Ontario?

What is the cheapest day to depart on your flight to Ontario?

According to our data, Monday is the cheapest day to fly to Ontario from Sydney. The lowest ticket price found for a Monday departure recently was $1,414. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Wednesday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,858.

What is the cheapest time of day to depart on your flight to Ontario?

Flying to Ontario from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,655 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,683. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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 17h 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 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 $1,223Free cancellationRating
7.4
8,941 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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