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$483+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — SYD
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
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 August 17, 2025.

Round-trip from

$902
(Delta)

One-way from

$483
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$923
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. 13% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 17, 2025.

This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 9/107:01 amLGB - SYD
2 stops30h 34mDelta
Mon 10/610:25 amSYD - LGB
2 stops23h 47mDelta
Deal found 8/17$902
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 9/135:04 pmLGB - SYD
2 stops44h 31mDelta
Sun 10/510:25 amSYD - LGB
2 stops23h 59mDelta
Deal found 8/17$915
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:10 amSNA - SYD
1 stop28h 45mAmerican Airlines
Mon 9/112:10 pmSYD - SNA
1 stop22h 43mAmerican Airlines
Deal found 8/16$935
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:42 pmSNA - SYD
1 stop21h 13mAmerican Airlines
Mon 10/61:10 pmSYD - SNA
1 stop27h 07mAmerican Airlines
Deal found 8/15$936
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:50 pmSNA - SYD
2 stops25h 15mAmerican Airlines
Tue 10/710:10 amSYD - SNA
2 stops23h 38mAmerican Airlines
Deal found 8/16$937
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 9/109:39 amSNA - SYD
2 stops27h 56mDelta
Wed 10/19:25 amSYD - SNA
2 stops23h 42mDelta
Deal found 8/17$952
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/115:04 pmLGB - SYD
2 stops20h 31mDelta
Wed 10/19:25 amSYD - LGB
2 stops23h 59mDelta
Deal found 8/17$952
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 9/134:50 pmSNA - SYD
2 stops44h 45mDelta
Tue 10/710:25 amSYD - SNA
2 stops23h 54mDelta
Deal found 8/17$965
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 9/135:04 pmLGB - SYD
2 stops44h 31mDelta
Thu 10/29:25 amSYD - LGB
2 stops23h 59mDelta
Deal found 8/17$965
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 9/125:04 pmLGB - SYD
2 stops44h 31mDelta
Tue 10/710:25 amSYD - LGB
2 stops23h 47mDelta
Deal found 8/17$966
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/115:05 pmSNA - SYD
2 stops20h 30mDelta
Tue 10/710:25 amSYD - SNA
2 stops23h 54mDelta
Deal found 8/17$1,002
This lol.travel deal was found by Cheapflights users on 8/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:13 pmSNA - SYD
1 stop19h 42mUnited Airlines
Sun 8/3110:20 amSYD - SNA
1 stop18h 56mUnited Airlines
Deal found 8/15$1,004

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 August 17, 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

Mon 9/15

5:04 pm-6:35 am

2 stops20h 31m

Sydney Kingsford Smith

Mon 10/6

10:25 am-4:12 pm

2 stops23h 47m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 9/22

7:01 am-6:35 am

2 stops30h 34m

Sydney Kingsford Smith

Tue 10/7

10:25 am-4:12 pm

2 stops23h 47m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sun 9/14

5:04 pm-6:35 am

2 stops20h 31m

Sydney Kingsford Smith

Sun 10/5

10:25 am-4:24 pm

2 stops23h 59m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 9/16

5:04 pm-6:35 am

2 stops20h 31m

Sydney Kingsford Smith

Wed 10/1

9:25 am-9:36 pm

2 stops29h 11m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 9/16

7:01 am-6:35 am

2 stops30h 34m

Sydney Kingsford Smith

Mon 10/6

10:25 am-4:12 pm

2 stops23h 47m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Wed 9/10

7:01 am-6:35 am

2 stops30h 34m

Sydney Kingsford Smith

Tue 10/7

10:25 am-4:12 pm

2 stops23h 47m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 9/16

1:15 pm-6:35 am

2 stops24h 20m

Sydney Kingsford Smith

Tue 10/7

10:25 am-4:12 pm

2 stops23h 47m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Wed 9/10

1:15 pm-6:35 am

2 stops24h 20m

Sydney Kingsford Smith

Sun 10/5

10:25 am-4:24 pm

2 stops23h 59m

$902

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 9/23

1:15 pm-6:35 am

2 stops24h 20m

Sydney Kingsford Smith

Wed 10/8

10:25 am-9:33 pm

2 stops29h 08m

$902

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 9/29

4:42 pm-6:55 am

1 stop21h 13m

Sydney Kingsford Smith

Mon 10/6

1:10 pm-10:17 pm

1 stop27h 07m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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 August 17, 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 August 17, 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
8,925 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

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.

  • 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 $483 on American Airlines. Other airlines that offer cheap prices include United Airlines from $538 and Alaska Airlines from $611 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, February is the cheapest month in which you can book a flight from Orange County to Australia (average of $1,031). 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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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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$982Average$1,112FlexibilityNo cancel feeOn-time69%

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