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$435+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — SYD
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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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 November 20, 2025.

This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:00 amLGB - SYD
2 stops30h 30mDelta
Sat 11/2910:40 amSYD - LGB
2 stops24h 27mDelta
Deal found 11/20$931
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:35 pmSNA - SYD
1 stop25h 40mUnited Airlines
Fri 11/2812:10 pmSYD - SNA
1 stop20h 44mUnited Airlines
Deal found 11/20$974
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:34 pmSNA - SYD
1 stop18h 41mUnited Airlines
Fri 11/2812:10 pmSYD - SNA
1 stop22h 03mUnited Airlines
Deal found 11/20$977
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2211:10 amSNA - SYD
2 stops27h 05mUnited Airlines
Sat 11/2911:20 amSYD - SNA
2 stops20h 08mUnited Airlines
Deal found 11/19$982
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:10 amSNA - SYD
2 stops24h 10mUnited Airlines
Sun 12/142:00 pmSYD - SNA
2 stops26h 23mUnited Airlines
Deal found 11/19$1,181
This Rumbo deal was found by Cheapflights users on 11/20. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:00 amLGB - SYD
2 stops63h 45mMultiple Airlines
Wed 12/107:15 pmSYD - LGB
2 stops43h 28mMultiple Airlines
Deal found 11/20$1,304
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:05 pmSNA - SYD
1 stop40h 15mUnited Airlines
Sun 1/412:10 pmSYD - SNA
1 stop24h 59mUnited Airlines
Deal found 11/20$1,386
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:05 pmSNA - SYD
1 stop40h 15mUnited Airlines
Mon 1/512:10 pmSYD - SNA
2 stops29h 20mUnited Airlines
Deal found 11/20$1,391
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 amSNA - SYD
2 stops31h 30mUnited Airlines
Mon 1/512:10 pmSYD - SNA
1 stop17h 13mUnited Airlines
Deal found 11/20$1,435
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:04 amSNA - SYD
1 stop28h 16mUnited Airlines
Mon 1/512:10 pmSYD - SNA
1 stop17h 13mUnited Airlines
Deal found 11/20$1,473
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:49 pmLGB - SYD
2 stops43h 01mDelta
Wed 1/1410:40 amSYD - LGB
2 stops20h 23mDelta
Deal found 11/17$1,516
This oojo deal was found by Cheapflights users on 11/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:50 pmSNA - MEL
2 stops24h 45mAir New Zealand
Wed 12/1012:10 pmMEL - SNA
2 stops22h 05mAir New Zealand
Deal found 11/19$1,675

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 November 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$941
(Delta)

One-way from

$435
(Delta)

Popular in

December

Cheapest in

February

Average price

$965
Provider with most accurate pricing for Los Angeles-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Sydney Kingsford Smith flights.
Search Deals
From Orange County to Australia
Search Deals
One-way flight from Orange County to Australia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 20, 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

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Wed 2/4

1:05 pm-8:30 am

2 stops24h 25m

Sydney Kingsford Smith

Sun 2/8

10:40 am-9:45 pm

2 stops30h 05m

$926

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 2/27

4:47 pm-6:50 am

2 stops43h 03m

Sydney Kingsford Smith

Tue 3/3

10:40 am-4:07 pm

2 stops24h 27m

$941

Santa AnaBrisbane

SNA - BNE

SNABNE

Santa Ana J. Wayne/Orange Cnty

Thu 1/29

3:41 pm-7:30 am

1 stop21h 49m

Brisbane

Mon 2/2

11:40 am-6:29 pm

1 stop24h 49m

$967

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 2/10

7:50 pm-9:15 am

1 stop18h 25m

Sydney Kingsford Smith

Tue 2/17

2:00 pm-2:55 pm

1 stop19h 55m

$971

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 2/16

7:22 pm-9:15 am

1 stop18h 53m

Sydney Kingsford Smith

Fri 2/20

12:10 pm-2:55 pm

1 stop21h 45m

$974

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 2/27

8:00 am-7:45 pm

1 stop40h 45m

Sydney Kingsford Smith

Tue 3/3

9:40 pm-9:09 pm

1 stop18h 29m

$1,076

Santa AnaMelbourne

SNA - MEL

SNAMEL

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

12:38 pm-9:30 am

2 stops25h 52m

Melbourne

Wed 1/28

12:00 pm-6:01 pm

2 stops25h 01m

$1,225

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 3/4

3:45 pm-10:30 am

2 stops23h 45m

Sydney Kingsford Smith

Wed 3/11

12:10 pm-2:48 pm

1 stop20h 38m

$1,243

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 2/3

3:41 pm-10:30 am

2 stops23h 49m

Sydney Kingsford Smith

Wed 2/25

12:10 pm-12:18 pm

1 stop19h 08m

$1,244

Santa AnaCoolangatta

SNA - OOL

SNAOOL

Santa Ana J. Wayne/Orange Cnty

Sun 4/19

4:23 pm-12:15 pm

2 stops26h 52m

Coolangatta Gold Coast

Thu 4/23

6:00 am-10:07 am

2 stops21h 07m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 November 20, 2025.

It’s optimal to fly from Orange County to Australia in the afternoon. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight at noon.

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 21h 49m. There are 7183 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 $435 on Delta. Other airlines that offer cheap prices include United Airlines from $464 and Philippine Airlines from $787 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.

See more FAQs

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