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$454+ Cheap flights from Orange County to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — SYD
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Orange County to Australia

Keep the following information in mind while searching for Orange County to Australia flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$890
(Cheapflightsfares)

One-way from

$454
(Kissandfly.com)

Popular in

December

Cheapest in

February

Average price

$979
Provider with most accurate pricing for Los Angeles-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Sydney Kingsford Smith flights.
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From Orange County to Australia
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One-way flight from Orange County to Australia
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Highest demand for flights based on searches. 15% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Orange County to Australia

Cheapest flights from Orange County to Australia
Explore the most affordable flight options available from Orange County to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This lastminute.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:42 amLGB - SYD
1 stop18h 03mHawaiian Airlines
Thu 11/69:40 pmSYD - LGB
1 stop17h 07mHawaiian Airlines
Deal found 9/30$889
This Cheapflightsfares deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:55 amLGB - SYD
1 stop17h 50mAlaska Airlines
Fri 11/79:40 pmSYD - LGB
1 stop17h 07mAlaska Airlines
Deal found 9/30$890
This Orbitz deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:25 pmSNA - SYD
2 stops28h 20mAlaska Airlines
Tue 11/49:40 pmSYD - SNA
2 stops31h 27mAlaska Airlines
Deal found 9/30$903
This Alaska Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:15 pmSNA - SYD
2 stops28h 30mAlaska Airlines
Thu 11/69:40 pmSYD - SNA
2 stops33h 06mAlaska Airlines
Deal found 10/2$904
This lastminute.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:42 amLGB - SYD
1 stop18h 03mHawaiian Airlines
Fri 11/79:40 pmSYD - LGB
1 stop17h 07mHawaiian Airlines
Deal found 10/1$917
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:07 amLGB - SYD
2 stops39h 38mAlaska Airlines
Fri 11/219:40 pmSYD - LGB
1 stop16h 50mAlaska Airlines
Deal found 9/30$921
This Cheapflightsfares deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:42 amLGB - SYD
1 stop18h 03mAlaska Airlines
Tue 11/119:40 pmSYD - LGB
1 stop17h 07mAlaska Airlines
Deal found 10/1$971
This Cheapflightsfares deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:55 amLGB - SYD
1 stop17h 50mAlaska Airlines
Thu 11/139:40 pmSYD - LGB
1 stop17h 07mAlaska Airlines
Deal found 9/30$1,044
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:21 pmSNA - SYD
2 stops30h 24mAlaska Airlines
Sat 10/119:40 pmSYD - SNA
2 stops32h 09mAlaska Airlines
Deal found 10/1$1,060
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:57 amLGB - SYD
2 stops39h 48mAlaska Airlines
Wed 12/249:40 pmSYD - LGB
1 stop17h 20mAlaska Airlines
Deal found 10/1$1,070
This lastminute.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:00 amLGB - SYD
2 stops39h 45mAlaska Airlines
Sun 12/79:40 pmSYD - LGB
2 stops41h 45mAlaska Airlines
Deal found 9/30$1,110
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:57 amLGB - SYD
2 stops39h 48mAlaska Airlines
Fri 12/269:40 pmSYD - LGB
1 stop17h 20mAlaska Airlines
Deal found 10/1$1,130

Cheapflights Fare Finder

 
Customize your flight search to find flights from Orange County to Australia 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, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Orange County to Australia that are best for you.

Fly from

Orange County

Fly to

Australia

Route

Depart

Return

Price

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

7:00 pm-7:45 pm

2 stops29h 45m

Sydney Kingsford Smith

Fri 3/6

9:40 pm-8:50 am

2 stops30h 10m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 2/24

7:00 pm-7:45 pm

2 stops29h 45m

Sydney Kingsford Smith

Thu 3/5

9:40 pm-8:50 am

2 stops30h 10m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 2/25

6:35 pm-7:45 pm

2 stops30h 10m

Sydney Kingsford Smith

Thu 3/5

9:40 pm-8:50 am

2 stops30h 10m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

7:00 pm-7:45 pm

2 stops29h 45m

Sydney Kingsford Smith

Tue 3/3

9:40 pm-8:34 am

2 stops29h 54m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 2/24

8:55 pm-7:45 pm

2 stops27h 50m

Sydney Kingsford Smith

Fri 3/6

9:40 pm-10:55 am

2 stops32h 15m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 2/24

8:55 pm-7:45 pm

2 stops27h 50m

Sydney Kingsford Smith

Tue 3/3

9:40 pm-8:50 am

2 stops30h 10m

$903

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 10/30

9:15 pm-7:45 pm

2 stops28h 30m

Sydney Kingsford Smith

Thu 11/6

9:40 pm-11:46 am

2 stops33h 06m

$904

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 12/16

8:57 am-7:45 pm

2 stops39h 48m

Sydney Kingsford Smith

Fri 12/26

9:40 pm-8:00 pm

1 stop17h 20m

$921

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sat 11/1

7:42 am-7:45 pm

1 stop18h 03m

Sydney Kingsford Smith

Sat 11/8

9:40 pm-7:47 pm

1 stop17h 07m

$931

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 3/3

9:00 am-7:45 pm

1 stop39h 45m

Sydney Kingsford Smith

Tue 3/17

9:40 pm-9:25 pm

1 stop17h 45m

$979

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 60 results
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Best time to book a flight from Orange County to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Orange County with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Orange County to Australia

What is the cheapest time of day to fly from KFI to AU?

Find hourly flight availability from Orange County to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to Australia as you normally would.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated October 2, 2025.
Read through reviews of airlines operating flights from Orange County to Australia, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,933 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,933 reviews
United Airlines
7.4
Good
8,933 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Orange County to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Orange County to Australia?

    Departing from Orange County to Australia will take you 18h 03m. There are 7498 mi between Orange County and Australia. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Orange County to Australia one-way?

    One-way options have recently been found by users for as low as $625 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $654 and Qantas Airways from $816 one-way.

  • Can I find deals for flights from Orange County to Australia that include hotel bookings?

    Yes. In addition to deals on Orange County to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Orange County to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Australia.

  • Can I find deals for business class flights from Orange County to Australia?

    Yes. Cheapflights offers flight deals from Orange County to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Orange County to Australia?

    Currently, March is the cheapest month in which you can book a flight from Orange County to Australia (average of $1,030). Flying from Orange County to Australia in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Orange County to Australia

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Top airline flying from Orange County to Australia

Discover the top airline that operate flights from Orange County to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$982Average$1,112FlexibilityNo cancel feeOn-time69%

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