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Cheap flights from Sydney to Los Angeles from $663

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 19/1. 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.
United Airlines Logo
12:10 - 12:37SYD-ONT
19h 27m1 stop
United Airlines Logo
18:41 - 09:15ONT-SYD
19h 34m1 stop
$1,136United Airlines
Find Deal
Tue, 11 Nov - Tue, 2 Dec
United Airlines Logo
14:00 - 17:43SYD-ONT
22h 43m1 stop
United Airlines Logo
13:45 - 07:00ONT-SYD
46h 15m2 stops
$1,140United Airlines
Find Deal
Wed, 11 Feb - Mon, 2 Mar
Hawaiian Airlines Logo
21:40 - 21:55SYD-ONT
18h 15m1 stop
Hawaiian Airlines Logo
09:50 - 19:45ONT-SYD
39h 55m1 stop
$1,154Hawaiian Airlines
Find Deal
Sat, 14 Mar - Sun, 29 Mar
United Airlines Logo
12:10 - 12:37SYD-ONT
19h 27m1 stop
United Airlines Logo
13:53 - 06:20ONT-SYD
21h 27m1 stop
$1,211United Airlines
Find Deal
Thu, 13 Nov - Thu, 15 Jan
Alaska Airlines Logo
21:40 - 22:08SYD-ONT
19h 28m1 stop
Alaska Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,218Alaska Airlines
Find Deal
Thu, 25 Dec - Thu, 15 Jan
Hawaiian Airlines Logo
21:40 - 20:23SYD-ONT
17h 43m1 stop
Hawaiian Airlines Logo
08:00 - 19:45ONT-SYD
40h 45m1 stop
$1,359Hawaiian Airlines
Find Deal
Sun, 7 Dec - Thu, 25 Dec
Lufthansa Logo
12:10 - 17:51SYD-ONT
24h 41m1 stop
Lufthansa Logo
05:05 - 09:15ONT-SYD
33h 10m2 stops
$1,563Lufthansa
Find Deal
Thu, 25 Dec - Thu, 15 Jan
Alaska Airlines Logo
21:40 - 20:23SYD-ONT
17h 43m1 stop
Alaska Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,624Alaska Airlines
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Fri, 5 Dec - Wed, 21 Jan
China Airlines Logo
22:10 - 16:50SYD-ONT
37h 40m1 stop
China Airlines Logo
22:50 - 12:15ONT-SYD
42h 25m1 stop
$1,800China Airlines
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Mon, 24 Nov - Fri, 28 Nov
China Airlines Logo
22:10 - 16:50SYD-ONT
37h 40m1 stop
China Airlines Logo
22:50 - 12:15ONT-SYD
42h 25m1 stop
$1,895China Airlines
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Sun, 15 Feb - Sat, 28 Feb

United Airlines flights from Sydney to Ontario

Our best United Airlines deals on Sydney to Ontario flight tickets
United Airlines
3 Nov
SYD12:10Sydney Kingsford Smith
19h 27m
1 stop
ONT12:37Ontario
16 Nov
ONT18:38Ontario
19h 37m
1 stop
SYD09:15Sydney Kingsford Smith
$1,134
Find similar
United Airlines
11 Nov
SYD12:10Sydney Kingsford Smith
19h 27m
1 stop
ONT12:37Ontario
2 Dec
ONT18:41Ontario
19h 34m
1 stop
SYD09:15Sydney Kingsford Smith
$1,136
Find similar
United Airlines
11 Feb
SYD14:00Sydney Kingsford Smith
22h 43m
1 stop
ONT17:43Ontario
2 Mar
ONT13:45Ontario
46h 15m
2 stops
SYD07:00Sydney Kingsford Smith
$1,140
Find similar

Hawaiian Airlines flights from Sydney to Ontario

Our best Hawaiian Airlines deals on Sydney to Ontario flight tickets
Hawaiian Airlines
2 Nov
SYD21:40Sydney Kingsford Smith
38h 34m
1 stop
ONT17:14Ontario
12 Nov
ONT09:47Ontario
38h 58m
1 stop
SYD19:45Sydney Kingsford Smith
$1,101
Find similar
Hawaiian Airlines
4 Nov
SYD21:40Sydney Kingsford Smith
38h 34m
1 stop
ONT17:14Ontario
19 Nov
ONT09:47Ontario
38h 58m
1 stop
SYD19:45Sydney Kingsford Smith
$1,108
Find similar
Hawaiian Airlines
14 Mar
SYD21:40Sydney Kingsford Smith
18h 15m
1 stop
ONT21:55Ontario
29 Mar
ONT09:50Ontario
39h 55m
1 stop
SYD19:45Sydney Kingsford Smith
$1,154
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 30 October 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

Tue 11/11

12:10-12:37

1 stop19h 27m

Ontario

Tue 2/12

18:41-09:15

1 stop19h 34m

$1,136

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 11/2

14:00-17:43

1 stop22h 43m

Ontario

Mon 2/3

13:45-07:00

2 stops46h 15m

$1,140

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 14/3

21:40-21:55

1 stop18h 15m

Ontario

Sun 29/3

09:50-19:45

1 stop39h 55m

$1,154

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 13/11

12:10-12:37

1 stop19h 27m

Ontario

Thu 15/1

13:53-06:20

1 stop21h 27m

$1,211

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 25/12

21:40-22:08

1 stop19h 28m

Ontario

Thu 15/1

08:13-19:45

1 stop40h 32m

$1,218

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 7/12

21:40-20:23

1 stop17h 43m

Ontario

Thu 25/12

08:00-19:45

1 stop40h 45m

$1,359

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 25/12

12:10-17:51

1 stop24h 41m

Ontario

Thu 15/1

05:05-09:15

2 stops33h 10m

$1,563

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 5/12

21:40-20:23

1 stop17h 43m

Ontario

Wed 21/1

08:13-19:45

1 stop40h 32m

$1,624

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 24/11

22:10-16:50

1 stop37h 40m

Ontario

Fri 28/11

22:50-12:15

1 stop42h 25m

$1,800

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 15/2

22:10-16:50

1 stop37h 40m

Ontario

Sat 28/2

22:50-12:15

1 stop42h 25m

$1,895

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 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 $1,399. 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 $1,838.

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 $1,637 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,665. 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.
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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 49m.

  • 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 $1,209Free cancellationRating
7.4
8,998 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.

An easier way to manage your Ontario trip

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