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Cheap flights from Australia to Orange County from $640

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SNA
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Australia to Orange County

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Orange County
Explore the most affordable flight options available from Australia to Orange County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Mon 22/1213:00MEL - SNA
1 stop21h 12mUnited Airlines
Mon 29/1218:23SNA - MEL
1 stop20h 37mUnited Airlines
Deal found 6/11$1,337
Sat 8/1111:20SYD - SNA
1 stop19h 05mAir Canada
Thu 27/1107:00SNA - SYD
2 stops31h 35mAir Canada
Deal found 5/11$1,377
Sat 15/1111:40BNE - SNA
2 stops27h 13mUnited Airlines
Sat 29/1107:20SNA - BNE
1 stop30h 10mUnited Airlines
Deal found 6/11$1,387
Tue 18/1113:00MEL - SNA
2 stops23h 48mUnited Airlines
Tue 25/1119:34SNA - MEL
1 stop19h 26mUnited Airlines
Deal found 4/11$1,405
Mon 10/1111:20SYD - SNA
1 stop19h 05mAir Canada
Tue 25/1118:32SNA - SYD
2 stops44h 03mAir Canada
Deal found 5/11$1,457
Tue 18/1117:45MEL - SNA
2 stops21h 15mMultiple Airlines
Tue 25/1117:32SNA - MEL
2 stops20h 48mMultiple Airlines
Deal found 4/11$1,482
Tue 18/1121:25SYD - SNA
1 stop17h 35mQantas Airways
Tue 25/1117:32SNA - SYD
1 stop17h 38mQantas Airways
Deal found 5/11$1,491
Mon 17/1107:45MEL - SNA
2 stops22h 40mMultiple Airlines
Sun 7/1212:25SNA - MEL
2 stops32h 05mMultiple Airlines
Deal found 5/11$1,557
Thu 25/1221:40SYD - LGB
1 stop17h 25mHawaiian Airlines
Sun 18/107:20LGB - SYD
1 stop17h 25mHawaiian Airlines
Deal found 5/11$1,574
Wed 24/1221:40SYD - LGB
1 stop17h 25mAlaska Airlines
Thu 22/107:20LGB - SYD
1 stop17h 25mAlaska Airlines
Deal found 5/11$1,674
Sat 15/1111:40BNE - SNA
1 stop18h 48mVirgin Australia
Sat 29/1118:25SNA - BNE
1 stop19h 05mVirgin Australia
Deal found 6/11$1,687
Tue 18/1120:55AVV - SNA
2 stops33h 30mMultiple Airlines
Tue 25/1112:25SNA - AVV
2 stops32h 25mMultiple Airlines
Deal found 4/11$1,710

Cheap flight deals from Australia to Orange County

Keep the following information in mind while searching for Australia to Orange County flight deals. Data was last updated 7 November 2025.

Round-trip from

$997

One-way from

$640

Popular in

December

Cheapest in

February

Average price

$1,288
American Airlines
  • American Airlines
  • 5/3-9/3
  • 3 total stops
  • 65h 30m total
  • Australia to Orange County
Search Deals
Hawaiian Airlines
  • Hawaiian Airlines
  • 25/12
  • 1 total stop
  • 17h 25m total
  • Australia to Orange County
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($253 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Orange County 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 647,157 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Australia to Orange County that are best for you.

Fly from

Australia

Fly to

Orange County

Route

Depart

Return

Price

SydneySanta Ana

SYD - SNA

SYDSNA

Sydney Kingsford Smith

Thu 5/3

11:20-20:24

2 stops28h 04m

Santa Ana J. Wayne/Orange Cnty

Mon 9/3

19:57-07:25

2 stops41h 28m

$997

SydneySanta Ana

SYD - SNA

SYDSNA

Sydney Kingsford Smith

Thu 5/3

11:20-11:25

1 stop19h 05m

Santa Ana J. Wayne/Orange Cnty

Mon 9/3

12:25-08:35

1 stop26h 10m

$1,130

MelbourneSanta Ana

MEL - SNA

MELSNA

Melbourne

Mon 4/5

14:35-22:08

1 stop24h 33m

Santa Ana J. Wayne/Orange Cnty

Fri 8/5

16:51-05:00

1 stop43h 09m

$1,133

BrisbaneSanta Ana

BNE - SNA

BNESNA

Brisbane

Wed 11/3

09:45-11:25

1 stop18h 40m

Santa Ana J. Wayne/Orange Cnty

Sun 15/3

18:17-07:45

2 stops44h 28m

$1,265

MelbourneSanta Ana

MEL - SNA

MELSNA

Melbourne

Mon 22/12

11:30-18:09

2 stops25h 39m

Santa Ana J. Wayne/Orange Cnty

Mon 29/12

18:23-10:00

1 stop20h 37m

$1,337

BrisbaneSanta Ana

BNE - SNA

BNESNA

Brisbane

Wed 11/3

10:05-16:21

2 stops23h 16m

Santa Ana J. Wayne/Orange Cnty

Sun 15/3

19:05-07:20

2 stops43h 15m

$1,363

SydneySanta Ana

SYD - SNA

SYDSNA

Sydney Kingsford Smith

Sun 1/2

11:20-11:25

1 stop19h 05m

Santa Ana J. Wayne/Orange Cnty

Fri 6/2

16:06-09:35

2 stops46h 29m

$1,399

MelbourneSanta Ana

MEL - SNA

MELSNA

Melbourne

Tue 18/11

13:00-17:48

2 stops23h 48m

Santa Ana J. Wayne/Orange Cnty

Tue 25/11

19:34-10:00

1 stop19h 26m

$1,405

MelbourneLong Beach

MEL - LGB

MELLGB

Melbourne

Wed 11/3

09:10-16:23

2 stops25h 13m

Long Beach Municipal

Sun 15/3

17:05-07:00

2 stops43h 55m

$1,480

MelbourneSanta Ana

MEL - SNA

MELSNA

Melbourne

Tue 18/11

17:45-20:00

2 stops21h 15m

Santa Ana J. Wayne/Orange Cnty

Tue 25/11

17:32-09:20

2 stops20h 48m

$1,482

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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

Have a flexible travel schedule? Discover the best time to fly to Orange County from Australia with our price prediction graph.
Estimated return 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 Australia to Orange County

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

Find hourly flight availability from Australia to Orange County. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

A simple way to save on the total cost of your ticket is to fly from Australia to Orange County at midday. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Orange County

Get insights into the airlines that provide service to Orange County. 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 Orange County. Reviews last updated 7 November 2025.
See what other customers who have flown with United Airlines from Australia to Orange County have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,009 reviews
Check prices

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,009 reviews
United Airlines
7.4
Good
9,009 reviews
Check prices

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Australia to Orange County. 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 Australia to Orange County?

    A quick flight from Australia to Orange County can take about 19h 05m. American Airlines provides one of the quickest options available for as low as $1,130. The distance between Australia and Orange County is about 12081 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from Australia to Orange County are Hawaiian Airlines ($642), Delta ($788), and United Airlines ($826).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia to Orange County 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Orange County

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Australia to Orange County

Discover the top airline that operate flights from Australia to Orange County. 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 647,157 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,218Average$1,391FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Orange County?

Deals for Australia to Orange County flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Australia to Orange County?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Australia to Orange County.

Can Cheapflights find flights from Australia to Orange County with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Australia to Orange County, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Australia to Orange County become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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