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

United Airlines, Delta, and Alaska 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.

$714 Cheap Flights from Orange County to Sydney in 2025/26

1 adult

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Find the cheapest flights from Orange County to Sydney

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07:00 - 08:30LGB-SYD

30h 30m2 stops

10:40 - 21:45SYD-LGB

30h 05m2 stops

$1,413Delta

Find Deal

Wed, 4 Feb - Sun, 8 Feb

16:49 - 06:50LGB-SYD

43h 01m2 stops

10:40 - 12:03SYD-LGB

20h 23m2 stops

$1,454Delta

Find Deal

Mon, 29 Dec - Mon, 2 Feb

15:41 - 09:15SNA-SYD

22h 34m1 stop

12:10 - 12:18SYD-SNA

19h 08m1 stop

$1,493United Airlines

Find Deal

Tue, 10 Feb - Sat, 14 Feb

19:50 - 06:55SNA-SYD

18h 05m1 stop

10:20 - 09:44SYD-SNA

16h 24m1 stop

$1,494United Airlines

Find Deal

Sun, 5 Apr - Wed, 15 Apr

09:00 - 19:45LGB-SYD

39h 45m1 stop

21:40 - 20:25SYD-LGB

17h 45m1 stop

$1,622Alaska Airlines

Find Deal

Fri, 13 Feb - Fri, 27 Feb

09:00 - 19:45LGB-SYD

39h 45m1 stop

21:40 - 20:25SYD-LGB

17h 45m1 stop

$1,624Alaska Airlines

Find Deal

Fri, 13 Feb - Fri, 27 Feb

08:57 - 19:45LGB-SYD

39h 48m2 stops

21:40 - 20:25SYD-LGB

41h 45m2 stops

$1,790Hawaiian Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

15:41 - 10:30SNA-SYD

23h 49m2 stops

09:55 - 14:50SYD-SNA

23h 55m2 stops

$1,850Air New Zealand

Find Deal

Tue, 3 Feb - Tue, 10 Feb

15:41 - 08:45SNA-SYD

22h 04m2 stops

13:55 - 14:50SYD-SNA

19h 55m2 stops

$1,851Air New Zealand

Find Deal

Sun, 18 Jan - Wed, 28 Jan

08:00 - 19:45LGB-SYD

40h 45m1 stop

21:40 - 20:05SYD-LGB

17h 25m1 stop

$3,178Hawaiian Airlines

Find Deal

Mon, 22 Dec - Mon, 29 Dec

Delta flights from Orange County to Sydney

Our best Delta deals on Orange County to Sydney flight tickets

Delta

4 Feb

LGB07:00Long Beach Municipal

30h 30m

2 stops

SYD08:30Sydney Kingsford Smith

8 Feb

SYD10:40Sydney Kingsford Smith

30h 05m

2 stops

LGB21:45Long Beach Municipal

$1,413

Find similar

Delta

29 Dec

LGB16:49Long Beach Municipal

43h 01m

2 stops

SYD06:50Sydney Kingsford Smith

2 Feb

SYD10:40Sydney Kingsford Smith

20h 23m

2 stops

LGB12:03Long Beach Municipal

$1,454

Find similar

Delta

4 Feb

LGB13:05Long Beach Municipal

24h 25m

2 stops

SYD08:30Sydney Kingsford Smith

8 Feb

SYD10:40Sydney Kingsford Smith

30h 05m

2 stops

LGB21:45Long Beach Municipal

$1,456

Find similar

United Airlines flights from Orange County to Sydney

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

United Airlines

10 Feb

SNA15:41Santa Ana J. Wayne/Orange Cnty

22h 34m

1 stop

SYD09:15Sydney Kingsford Smith

14 Feb

SYD12:10Sydney Kingsford Smith

19h 08m

1 stop

SNA12:18Santa Ana J. Wayne/Orange Cnty

$1,493

Find similar

United Airlines

5 Apr

SNA19:50Santa Ana J. Wayne/Orange Cnty

18h 05m

1 stop

SYD06:55Sydney Kingsford Smith

15 Apr

SYD10:20Sydney Kingsford Smith

16h 24m

1 stop

SNA09:44Santa Ana J. Wayne/Orange Cnty

$1,494

Find similar

United Airlines

4 Dec

SNA18:25Santa Ana J. Wayne/Orange Cnty

19h 50m

1 stop

SYD09:15Sydney Kingsford Smith

21 Dec

SYD14:00Sydney Kingsford Smith

17h 22m

1 stop

SNA12:22Santa Ana J. Wayne/Orange Cnty

$1,499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Wed 4/2

07:00-08:30

2 stops30h 30m

Sydney Kingsford Smith

Sun 8/2

10:40-21:45

2 stops30h 05m

$1,413

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 29/12

16:49-06:50

2 stops43h 01m

Sydney Kingsford Smith

Mon 2/2

10:40-12:03

2 stops20h 23m

$1,454

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 10/2

15:41-09:15

1 stop22h 34m

Sydney Kingsford Smith

Sat 14/2

12:10-12:18

1 stop19h 08m

$1,493

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 5/4

19:50-06:55

1 stop18h 05m

Sydney Kingsford Smith

Wed 15/4

10:20-09:44

1 stop16h 24m

$1,494

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 13/2

09:00-19:45

1 stop39h 45m

Sydney Kingsford Smith

Fri 27/2

21:40-20:25

1 stop17h 45m

$1,622

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Fri 13/2

09:00-19:45

1 stop39h 45m

Sydney Kingsford Smith

Fri 27/2

21:40-20:25

1 stop17h 45m

$1,624

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Thu 4/12

08:57-19:45

2 stops39h 48m

Sydney Kingsford Smith

Thu 11/12

21:40-20:25

2 stops41h 45m

$1,790

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 3/2

15:41-10:30

2 stops23h 49m

Sydney Kingsford Smith

Tue 10/2

09:55-14:50

2 stops23h 55m

$1,850

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 18/1

15:41-08:45

2 stops22h 04m

Sydney Kingsford Smith

Wed 28/1

13:55-14:50

2 stops19h 55m

$1,851

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 22/12

08:00-19:45

1 stop40h 45m

Sydney Kingsford Smith

Mon 29/12

21:40-20:05

1 stop17h 25m

$3,178

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 $1,368. 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 $1,417.

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 $1,386. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,034.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Orange County to Sydney in the afternoon for as low as $1,489. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,974 on average. Flights to Sydney from Orange County at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,539 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 $1,388 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

Direct flights	None

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 23.37% of the total bookings. Other popular models include Airbus A320-100/200 with 17.46%, Airbus A321neo with 11.55%, and Airbus A321-100/200 with 8.37%.

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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.