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Cheap flights from Orange County to Sydney from $731

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Orange County to Sydney

Keep the following information in mind while searching for Orange County to Sydney flight deals. Data was last updated 18 September 2025.

Round-trip from

$1,409

One-way from

$731

Popular in

December

Cheapest in

February

Average price

$1,455
American Airlines
  • American Airlines
  • 31/10-7/11
  • 4 total stops
  • 46h 07m total
  • Orange County to Sydney
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American Airlines
  • American Airlines
  • 15/11
  • 2 total stops
  • 24h 33m total
  • Orange County to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($401 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Orange County to Sydney

Cheapest flights from Orange County to Sydney
Explore the most affordable flight options available from Orange County to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Fri 31/1013:10SNA - SYD
2 stops25h 50mAmerican Airlines
Fri 7/1111:20SYD - SNA
2 stops20h 17mAmerican Airlines
Deal found 15/9$1,409
Mon 20/1007:55LGB - SYD
1 stop17h 50mAlaska Airlines
Sun 2/1121:40SYD - LGB
1 stop17h 07mAlaska Airlines
Deal found 17/9$1,511
Sun 21/917:58SNA - SYD
1 stop19h 57mUnited Airlines
Sun 5/1011:20SYD - SNA
1 stop17h 52mUnited Airlines
Deal found 17/9$1,520
Sat 1/1107:42LGB - SYD
1 stop18h 03mAlaska Airlines
Sat 8/1121:40SYD - LGB
1 stop17h 07mAlaska Airlines
Deal found 17/9$1,590
Sun 16/1119:27SNA - SYD
2 stops29h 18mAlaska Airlines
Fri 21/1121:40SYD - SNA
2 stops19h 50mAlaska Airlines
Deal found 16/9$1,598
Sun 21/908:55LGB - SYD
2 stops41h 50mAlaska Airlines
Sun 5/1021:40SYD - LGB
2 stops40h 57mAlaska Airlines
Deal found 17/9$1,598
Sun 9/1108:00SNA - SYD
2 stops29h 45mAir New Zealand
Tue 3/209:55SYD - SNA
2 stops42h 16mAir New Zealand
Deal found 17/9$1,619
Wed 24/915:06SNA - SYD
1 stop22h 49mUnited Airlines
Wed 15/1011:20SYD - SNA
1 stop18h 57mUnited Airlines
Deal found 17/9$1,631
Mon 22/1219:05SNA - SYD
2 stops42h 40mAir New Zealand
Sun 11/119:15SYD - SNA
2 stops38h 30mAir New Zealand
Deal found 16/9$1,802
Sun 21/908:55LGB - SYD
2 stops41h 50mMultiple Airlines
Sun 5/1017:20SYD - LGB
1 stop20h 25mMultiple Airlines
Deal found 17/9$2,139
Fri 19/1209:07LGB - SYD
2 stops63h 38mAlaska Airlines
Wed 7/121:40SYD - LGB
1 stop17h 25mAlaska Airlines
Deal found 16/9$3,236
Sat 20/1207:55LGB - SYD
1 stop40h 50mHawaiian Airlines
Wed 7/121:40SYD - LGB
1 stop17h 25mHawaiian Airlines
Deal found 17/9$3,304

Cheapflights Fare Finder

 
Customise your flight search to find flights from Orange County to Sydney 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 18 September 2025.
Use the filters below to find and compare flights from Orange County to Sydney that are best for you.

Fly from

Orange County

Fly to

Sydney

Route

Depart

Return

Price

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Fri 31/10

13:10-09:00

2 stops25h 50m

Sydney Kingsford Smith

Fri 7/11

11:20-12:37

2 stops20h 17m

$1,409

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 20/10

07:55-19:45

1 stop17h 50m

Sydney Kingsford Smith

Sun 2/11

21:40-19:47

1 stop17h 07m

$1,511

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sat 1/11

07:42-19:45

1 stop18h 03m

Sydney Kingsford Smith

Sat 8/11

21:40-19:47

1 stop17h 07m

$1,590

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 30/10

21:25-19:45

2 stops28h 20m

Sydney Kingsford Smith

Sun 16/11

21:40-22:30

2 stops19h 50m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 28/10

20:40-19:45

2 stops29h 05m

Sydney Kingsford Smith

Fri 14/11

21:40-22:30

2 stops19h 50m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 28/10

21:25-19:45

2 stops28h 20m

Sydney Kingsford Smith

Thu 13/11

21:40-08:36

2 stops29h 56m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Fri 31/10

19:16-19:45

2 stops30h 29m

Sydney Kingsford Smith

Thu 13/11

21:40-22:30

2 stops19h 50m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 29/10

21:25-19:45

2 stops28h 20m

Sydney Kingsford Smith

Sun 16/11

21:40-22:30

2 stops19h 50m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 28/10

21:25-19:45

2 stops28h 20m

Sydney Kingsford Smith

Sat 15/11

21:40-10:07

2 stops31h 27m

$1,596

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 29/10

21:25-19:45

2 stops28h 20m

Sydney Kingsford Smith

Sat 15/11

21:40-14:17

2 stops35h 37m

$1,596

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 39 results
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Best time to book a flight from Orange County to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Orange County 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 Orange County to Sydney
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Orange County?

    For a flight from Orange County to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

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

    Airlines like American Airlines and Alaska Airlines fly from Orange County to Sydney in about 17h 50m. The time it takes to get you to your destination can typically vary by up to 8h. The distance from Orange County to Sydney is about 12067 km. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $899. Users have also found prices from $922 and $958 on Hawaiian Airlines and American Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Orange County to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from Orange County to Sydney (average of $129). Flying from Orange County to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

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

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

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

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

Yes, Cheapflights offers price alerts on Orange County to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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