HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$538+ Cheap flights from Orange County to Sydney (SYD)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — SYD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Orange County to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 20, 2025.

Round-trip from

$1,002
(Delta)

One-way from

$538
(Kissandfly.com)

Popular in

December

Cheapest in

February

Average price

$923
From Orange County to Sydney Kingsford Smith
Search Deals
One-way flight from Orange County to Sydney Kingsford Smith
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 ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 20, 2025.

This lol.travel deal was found by Cheapflights users on 8/18. 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 8/314:00 pmSNA - SYD
1 stop21h 55mUnited Airlines
Sun 9/1410:20 amSYD - SNA
1 stop18h 56mUnited Airlines
Deal found 8/18$1,014
This oojo deal was found by Cheapflights users on 8/18. 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.
Sun 11/238:00 amSNA - SYD
2 stops29h 45mAir New Zealand
Mon 12/81:55 pmSYD - SNA
2 stops23h 27mAir New Zealand
Deal found 8/18$1,024
This lastminute.com deal was found by Cheapflights users on 8/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:25 amLGB - SYD
1 stop19h 20mHawaiian Airlines
Sun 9/149:40 pmSYD - LGB
1 stop38h 50mHawaiian Airlines
Deal found 8/19$1,031
This Tripair deal was found by Cheapflights users on 8/19. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:00 pmSNA - SYD
1 stop18h 55mUnited Airlines
Sun 9/1410:20 amSYD - SNA
1 stop18h 56mUnited Airlines
Deal found 8/19$1,065
This oojo deal was found by Cheapflights users on 8/18. 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.
Sun 11/98:00 amSNA - SYD
2 stops29h 45mAir New Zealand
Tue 2/1011:45 amSYD - SNA
2 stops22h 00mAir New Zealand
Deal found 8/18$1,071
This Jetabroad deal was found by Cheapflights users on 8/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:45 amSNA - SYD
2 stops20h 00mHawaiian Airlines
Tue 9/29:40 pmSYD - SNA
2 stops31h 17mHawaiian Airlines
Deal found 8/19$1,073
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:10 amSNA - SYD
1 stop27h 45mAmerican Airlines
Tue 9/212:10 pmSYD - SNA
1 stop22h 43mAmerican Airlines
Deal found 8/19$1,085
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/167:00 pmSNA - SYD
1 stop18h 55mUnited Airlines
Tue 10/711:20 amSYD - SNA
1 stop21h 56mUnited Airlines
Deal found 8/19$1,086
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:50 pmSNA - SYD
2 stops24h 40mAmerican Airlines
Fri 10/1010:10 amSYD - SNA
2 stops22h 59mAmerican Airlines
Deal found 8/19$1,089
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/97:00 pmSNA - SYD
1 stop18h 55mUnited Airlines
Fri 9/1910:20 amSYD - SNA
1 stop18h 56mUnited Airlines
Deal found 8/18$1,128
This oojo deal was found by Cheapflights users on 8/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:20 amSNA - SYD
2 stops30h 25mAir New Zealand
Sun 11/1611:45 amSYD - SNA
2 stops40h 09mAir New Zealand
Deal found 8/20$1,133
This lastminute.com deal was found by Cheapflights users on 8/18. 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.
Wed 9/38:55 amLGB - SYD
2 stops41h 50mMultiple Airlines
Sun 9/79:40 pmSYD - LGB
2 stops39h 56mMultiple Airlines
Deal found 8/18$1,134

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 20, 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

Tue 2/10

10:15 am-8:30 am

2 stops27h 15m

Sydney Kingsford Smith

Sat 2/14

10:40 am-4:21 pm

2 stops24h 41m

$1,002

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 8/31

4:00 pm-6:55 am

1 stop21h 55m

Sydney Kingsford Smith

Sun 9/14

10:20 am-12:16 pm

1 stop18h 56m

$1,014

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 11/23

8:00 am-8:45 am

2 stops29h 45m

Sydney Kingsford Smith

Mon 12/8

1:55 pm-6:22 pm

2 stops23h 27m

$1,024

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 9/1

7:25 am-7:45 pm

1 stop19h 20m

Sydney Kingsford Smith

Sun 9/14

9:40 pm-7:30 pm

1 stop38h 50m

$1,031

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 9/1

7:00 pm-6:55 am

1 stop18h 55m

Sydney Kingsford Smith

Sun 9/14

10:20 am-12:16 pm

1 stop18h 56m

$1,065

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 11/9

8:00 am-8:45 am

2 stops29h 45m

Sydney Kingsford Smith

Tue 2/10

11:45 am-2:45 pm

2 stops22h 00m

$1,071

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Fri 10/3

9:15 am-5:55 am

1 stop27h 40m

Sydney Kingsford Smith

Fri 10/10

1:10 pm-6:08 pm

1 stop22h 58m

$1,085

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 9/16

7:00 pm-6:55 am

1 stop18h 55m

Sydney Kingsford Smith

Tue 10/7

11:20 am-3:16 pm

1 stop21h 56m

$1,086

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 9/9

7:00 pm-6:55 am

1 stop18h 55m

Sydney Kingsford Smith

Fri 9/19

10:20 am-12:16 pm

1 stop18h 56m

$1,128

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sun 2/1

8:05 am-7:45 pm

1 stop40h 40m

Sydney Kingsford Smith

Fri 2/13

9:40 pm-8:25 pm

1 stop17h 45m

$1,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 37 results
1
2
3
4

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 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 Sydney
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated August 20, 2025.
See what other customers who have flown with United Airlines from Orange County to Sydney 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
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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 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?

    If you book a flight to Sydney from Orange County, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney.

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

    A quick flight from Orange County to Sydney can take about 21h 55m. Delta provides one of the quickest options available for as low as $1,014. The distance from Orange County to Sydney is about 7507 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Orange County to Sydney (average of $1,030). Flying from Orange County to Sydney in December is currently the most expensive (average of $1,620). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Orange County to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
Ontario to Sydney flights
Santa Ana to Sydney flights
San Jose to Sydney flights
Oakland to Sydney flights
San Diego to Sydney flights
Burbank to Sydney flights
Sacramento to Sydney flights
Long Beach to Sydney flights
Las Vegas to Sydney flights
Reno to Sydney flights
Los Angeles to Coolangatta flights
Medford to Sydney flights
Santa Rosa to Sydney flights
Palm Springs to Sydney flights
San Francisco to Coolangatta flights
Fresno to Sydney flights
San Luis Obispo to Sydney flights
Monterey to Sydney flights
Ontario to Coolangatta flights
San Francisco to Coffs Harbour flights
San Francisco to Wagga Wagga flights
San Francisco to Ballina flights
San Jose to Coolangatta flights
San Francisco to Armidale flights
Arcata to Sydney flights
San Francisco to Tamworth flights
San Francisco to Port Macquarie flights
San Diego to Coolangatta flights
San Francisco to Lord Howe Island flights

Top airline flying from Orange County to Sydney

Discover the top airline that operate flights from Orange County to Sydney. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$982Average$1,112FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.