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

Alaska Airlines, Delta, and Air New Zealand 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.

$778 Cheap Flights from Orange County to Sydney in 2026

1 adult

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Find the cheapest flights from Orange County to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 18:50

LGB

SYD

18h 50m

1 stop

20:45 - 20:30

SYD

LGB

16h 45m

1 stop

$1,350Alaska Airlines

Mon, 17 Aug - Tue, 8 Sep

08:12 - 18:50

LGB

SYD

17h 38m

1 stop

20:45 - 21:07

SYD

LGB

17h 22m

1 stop

$1,412Alaska Airlines

Wed, 20 May - Tue, 26 May

07:00 - 18:50

LGB

SYD

18h 50m

1 stop

20:45 - 20:46

SYD

LGB

17h 01m

1 stop

$1,417Alaska Airlines

Fri, 26 Jun - Tue, 14 Jul

08:12 - 18:50

LGB

SYD

41h 38m

1 stop

20:45 - 21:07

SYD

LGB

17h 22m

1 stop

$1,441Alaska Airlines

Tue, 2 Jun - Tue, 9 Jun

14:38 - 06:55

SNA

SYD

23h 17m

1 stop

10:20 - 18:47

SYD

SNA

25h 27m

1 stop

$1,561United Airlines

Tue, 19 May - Tue, 26 May

14:38 - 07:00

SNA

SYD

23h 22m

2 stops

10:20 - 12:06

SYD

SNA

18h 46m

1 stop

$1,567United Airlines

Wed, 20 May - Wed, 27 May

09:42 - 09:25

SNA

SYD

54h 43m

2 stops

11:45 - 13:56

SYD

SNA

43h 11m

2 stops

$1,588ANA

Mon, 24 Aug - Tue, 1 Sep

19:45 - 06:55

SNA

SYD

18h 10m

1 stop

10:20 - 10:20

SYD

SNA

17h 00m

1 stop

$1,634Air New Zealand

Wed, 6 May - Mon, 11 May

19:49 - 06:55

SNA

SYD

18h 06m

1 stop

10:20 - 12:06

SYD

SNA

18h 46m

1 stop

$1,635Air New Zealand

Mon, 25 May - Wed, 3 Jun

09:42 - 09:25

SNA

SYD

54h 43m

2 stops

11:45 - 13:56

SYD

SNA

43h 11m

2 stops

$1,658ANA

Mon, 24 Aug - Tue, 1 Sep

Alaska Airlines flights from Orange County to Sydney

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

Alaska Airlines

17 Aug

LGB07:00Long Beach Municipal

18h 50m

1 stop

SYD18:50Sydney Kingsford Smith

8 Sept

SYD20:45Sydney Kingsford Smith

16h 45m

1 stop

LGB20:30Long Beach Municipal

$1,350

Alaska Airlines

20 May

LGB08:12Long Beach Municipal

17h 38m

1 stop

SYD18:50Sydney Kingsford Smith

26 May

SYD20:45Sydney Kingsford Smith

17h 22m

1 stop

LGB21:07Long Beach Municipal

$1,412

Alaska Airlines

26 June

LGB07:00Long Beach Municipal

18h 50m

1 stop

SYD18:50Sydney Kingsford Smith

14 July

SYD20:45Sydney Kingsford Smith

17h 01m

1 stop

LGB20:46Long Beach Municipal

$1,417

Delta flights from Orange County to Sydney

Our best Delta deals on Orange County to Sydney flight tickets

Delta

2 June

LGB07:05Long Beach Municipal

30h 45m

2 stops

SYD06:50Sydney Kingsford Smith

9 June

SYD09:15Sydney Kingsford Smith

29h 14m

2 stops

LGB21:29Long Beach Municipal

$1,542

Delta

11 July

LGB16:56Long Beach Municipal

44h 54m

2 stops

SYD06:50Sydney Kingsford Smith

22 July

SYD09:15Sydney Kingsford Smith

29h 17m

2 stops

LGB21:32Long Beach Municipal

$1,906

Delta

12 July

LGB06:52Long Beach Municipal

30h 58m

2 stops

SYD06:50Sydney Kingsford Smith

24 July

SYD09:15Sydney Kingsford Smith

29h 17m

2 stops

LGB21:32Long Beach Municipal

$1,931

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 17/8

07:00-18:50

1 stop18h 50m

Sydney Kingsford Smith

Tue 8/9

20:45-20:30

1 stop16h 45m

$1,350

Fastest return journey

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Wed 20/5

08:12-18:50

1 stop17h 38m

Sydney Kingsford Smith

Tue 26/5

20:45-21:07

1 stop17h 22m

$1,412

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 26/6

07:00-18:50

1 stop18h 50m

Sydney Kingsford Smith

Tue 14/7

20:45-20:46

1 stop17h 01m

$1,417

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 2/6

08:12-18:50

1 stop41h 38m

Sydney Kingsford Smith

Tue 9/6

20:45-21:07

1 stop17h 22m

$1,441

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 19/5

14:38-06:55

1 stop23h 17m

Sydney Kingsford Smith

Tue 26/5

10:20-18:47

1 stop25h 27m

$1,561

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 20/5

14:38-07:00

2 stops23h 22m

Sydney Kingsford Smith

Wed 27/5

10:20-12:06

1 stop18h 46m

$1,567

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 24/8

09:42-09:25

2 stops54h 43m

Sydney Kingsford Smith

Tue 1/9

11:45-13:56

2 stops43h 11m

$1,588

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 6/5

19:45-06:55

1 stop18h 10m

Sydney Kingsford Smith

Mon 11/5

10:20-10:20

1 stop17h 00m

$1,634

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 25/5

19:49-06:55

1 stop18h 06m

Sydney Kingsford Smith

Wed 3/6

10:20-12:06

1 stop18h 46m

$1,635

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 24/8

09:42-09:25

2 stops54h 43m

Sydney Kingsford Smith

Tue 1/9

11:45-13:56

2 stops43h 11m

$1,658

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 $1,220. If you aren’t able to travel to Sydney during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,258.

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 $1,275. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,552.

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 $1,357 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 $1,280 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

Frequently asked questions about flying from Orange County to Sydney

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 20.82% of the total bookings. Other popular models include Airbus A320-100/200 with 16.04%, Airbus A321neo with 13.64%, and Airbus A321-100/200 with 7.08%.

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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.