What is the cheapest airline that flies from Orange County to Sydney Kingsford Smith?

Hawaiian Airlines, Delta, and United Airlines are the most popular carriers operating from Orange County to Sydney Kingsford Smith

When did momondo last update prices for flights from Orange County to Sydney Kingsford Smith Airport?

Prices for flights from Orange County to Sydney Kingsford Smith Airport refresh daily.

How old do you have to be to fly from Orange County to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Orange County to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$718 Cheap Flights from Orange County to Sydney in 2026

1 adult

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18:39 - 08:45

SNA

SYD

21h 06m

2 stops

11:55 - 21:00

SYD

SNA

26h 05m

2 stops

$1,456Air New Zealand

Mon, 11 May - Mon, 18 May

18:20 - 08:45

SNA

SYD

21h 25m

2 stops

11:55 - 20:51

SYD

SNA

25h 56m

2 stops

$1,459Air New Zealand

Tue, 4 Aug - Tue, 11 Aug

18:39 - 08:45

SNA

SYD

21h 06m

2 stops

11:55 - 12:03

SYD

SNA

41h 08m

2 stops

$1,465Air New Zealand

Tue, 12 May - Mon, 25 May

07:00 - 18:50

LGB

SYD

18h 50m

1 stop

20:45 - 20:36

SYD

LGB

16h 51m

1 stop

$1,496Alaska Airlines

Sat, 4 Jul - Sat, 18 Jul

07:00 - 18:50

LGB

SYD

18h 50m

1 stop

20:45 - 20:36

SYD

LGB

16h 51m

1 stop

$1,515Alaska Airlines

Fri, 19 Jun - Tue, 21 Jul

08:00 - 19:45

LGB

SYD

17h 45m

1 stop

21:40 - 21:13

SYD

LGB

17h 33m

1 stop

$1,516Multiple Airlines

Mon, 16 Mar - Fri, 20 Mar

14:47 - 06:55

SNA

SYD

23h 08m

1 stop

10:20 - 15:31

SYD

SNA

22h 11m

1 stop

$1,526United Airlines

Wed, 8 Jul - Wed, 22 Jul

07:00 - 06:05

LGB

SYD

29h 05m

2 stops

13:15 - 16:19

SYD

LGB

21h 04m

2 stops

$1,532Delta

Sun, 15 Mar - Mon, 23 Mar

16:12 - 07:00

SNA

SYD

21h 48m

2 stops

09:30 - 12:06

SYD

SNA

19h 36m

2 stops

$1,533United Airlines

Wed, 5 Aug - Wed, 19 Aug

08:01 - 18:50

LGB

SYD

17h 49m

1 stop

20:45 - 21:13

SYD

LGB

17h 28m

1 stop

$1,623Multiple Airlines

Fri, 10 Apr - Fri, 17 Apr

United Airlines flights from Orange County to Sydney

Our best United Airlines deals on Orange County to Sydney flight tickets

United Airlines

8 July

SNA14:47Santa Ana J. Wayne/Orange Cnty

23h 08m

1 stop

SYD06:55Sydney Kingsford Smith

22 July

SYD10:20Sydney Kingsford Smith

22h 11m

1 stop

SNA15:31Santa Ana J. Wayne/Orange Cnty

$1,526

United Airlines

5 Aug

SNA16:12Santa Ana J. Wayne/Orange Cnty

21h 48m

2 stops

SYD07:00Sydney Kingsford Smith

19 Aug

SYD09:30Sydney Kingsford Smith

19h 36m

2 stops

SNA12:06Santa Ana J. Wayne/Orange Cnty

$1,533

United Airlines

4 May

SNA18:39Santa Ana J. Wayne/Orange Cnty

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

14 May

SYD10:20Sydney Kingsford Smith

17h 00m

1 stop

SNA10:20Santa Ana J. Wayne/Orange Cnty

$1,584

Air New Zealand flights from Orange County to Sydney

Our best Air New Zealand deals on Orange County to Sydney flight tickets

Air New Zealand

11 May

SNA18:39Santa Ana J. Wayne/Orange Cnty

21h 06m

2 stops

SYD08:45Sydney Kingsford Smith

18 May

SYD11:55Sydney Kingsford Smith

26h 05m

2 stops

SNA21:00Santa Ana J. Wayne/Orange Cnty

$1,456

Air New Zealand

4 Aug

SNA18:20Santa Ana J. Wayne/Orange Cnty

21h 25m

2 stops

SYD08:45Sydney Kingsford Smith

11 Aug

SYD11:55Sydney Kingsford Smith

25h 56m

2 stops

SNA20:51Santa Ana J. Wayne/Orange Cnty

$1,459

Air New Zealand

12 May

SNA18:39Santa Ana J. Wayne/Orange Cnty

21h 06m

2 stops

SYD08:45Sydney Kingsford Smith

25 May

SYD11:55Sydney Kingsford Smith

41h 08m

2 stops

SNA12:03Santa Ana J. Wayne/Orange Cnty

$1,465

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 11/5

18:39-08:45

2 stops21h 06m

Sydney Kingsford Smith

Mon 18/5

11:55-21:00

2 stops26h 05m

$1,456

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 4/8

18:20-08:45

2 stops21h 25m

Sydney Kingsford Smith

Tue 11/8

11:55-20:51

2 stops25h 56m

$1,459

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 12/5

18:39-08:45

2 stops21h 06m

Sydney Kingsford Smith

Mon 25/5

11:55-12:03

2 stops41h 08m

$1,465

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sat 4/7

07:00-18:50

1 stop18h 50m

Sydney Kingsford Smith

Sat 18/7

20:45-20:36

1 stop16h 51m

$1,496

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 19/6

07:00-18:50

1 stop18h 50m

Sydney Kingsford Smith

Tue 21/7

20:45-20:36

1 stop16h 51m

$1,515

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 16/3

08:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Fri 20/3

21:40-21:13

1 stop17h 33m

$1,516

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 8/7

14:47-06:55

1 stop23h 08m

Sydney Kingsford Smith

Wed 22/7

10:20-15:31

1 stop22h 11m

$1,526

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Sun 15/3

07:00-06:05

2 stops29h 05m

Sydney Kingsford Smith

Mon 23/3

13:15-16:19

2 stops21h 04m

$1,532

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 5/8

16:12-07:00

2 stops21h 48m

Sydney Kingsford Smith

Wed 19/8

09:30-12:06

2 stops19h 36m

$1,533

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 10/4

08:01-18:50

1 stop17h 49m

Sydney Kingsford Smith

Fri 17/4

20:45-21:13

1 stop17h 28m

$1,623

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Orange County to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Orange County, with most prices found around $1,227. If you aren’t able to travel to Sydney during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,317.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,283. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,766.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Orange County when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,380 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Orange County for as low as $1,289 on momondo.

Can stopping save me money on Orange County to Sydney flights?

No. A direct flight is the cheapest option for a flight between Orange County to Sydney.

Cheap Orange County to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Orange County to Sydney

Fastest flight time	17h 38m
Direct flights	None

The fastest flight from Orange County to Sydney takes 17h 38m

There are no direct flights from Orange County to Sydney. There are no popular flight routes from Orange County to Sydney.

Search flight deals

When did momondo last update prices for flights from Orange County to Sydney Kingsford Smith Airport?
Prices for flights from Orange County to Sydney Kingsford Smith Airport refresh daily.
How old do you have to be to fly from Orange County to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Orange County to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Orange County to Sydney?
Based on momondo bookings for flights between Orange County and Sydney, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 21.66% of the total bookings. Other popular models include Airbus A320-100/200 with 15.85%, Airbus A321neo with 12.88%, and Airbus A321-100/200 with 7.48%.

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Newport

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Orange County to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Orange County to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Orange County to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Orange County on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Orange County to Sydney?

momondo helps you find the best flight between Orange County and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Orange County to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Orange County and alert you when they change.