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

Alaska Airlines, Hawaiian Airlines, and American 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.

$899 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

Round-trip

One-way

Last minute

Cheap return flights

09:17 - 06:55SNA-SYD

27h 38m1 stop

14:05 - 16:06SYD-SNA

21h 01m1 stop

$1,404American Airlines

Find Deal

Mon, 27 Oct - Mon, 10 Nov

13:10 - 09:00SNA-SYD

25h 50m2 stops

11:20 - 12:37SYD-SNA

20h 17m2 stops

$1,408American Airlines

Find Deal

Mon, 27 Oct - Mon, 10 Nov

07:55 - 19:45LGB-SYD

17h 50m1 stop

21:40 - 19:47SYD-LGB

17h 07m1 stop

$1,510Alaska Airlines

Find Deal

Mon, 20 Oct - Sun, 2 Nov

07:42 - 19:45LGB-SYD

18h 03m1 stop

21:40 - 19:47SYD-LGB

17h 07m1 stop

$1,590Alaska Airlines

Find Deal

Thu, 30 Oct - Thu, 6 Nov

08:00 - 08:45SNA-SYD

29h 45m2 stops

09:55 - 09:11SYD-SNA

42h 16m2 stops

$1,618Air New Zealand

Find Deal

Sun, 9 Nov - Tue, 3 Feb

08:00 - 08:45SNA-SYD

29h 45m2 stops

09:55 - 09:11SYD-SNA

42h 16m2 stops

$1,624Air New Zealand

Find Deal

Sun, 9 Nov - Tue, 3 Feb

18:11 - 06:55SNA-SYD

19h 44m1 stop

11:20 - 14:25SYD-SNA

21h 05m1 stop

$1,630United Airlines

Find Deal

Sun, 28 Sep - Sun, 5 Oct

19:07 - 06:55SNA-SYD

18h 48m1 stop

10:30 - 14:25SYD-SNA

21h 55m2 stops

$1,636United Airlines

Find Deal

Sun, 28 Sep - Sun, 5 Oct

07:00 - 07:10LGB-SYD

30h 10m2 stops

10:40 - 12:15SYD-LGB

20h 35m2 stops

$1,786Delta

Find Deal

Mon, 27 Oct - Mon, 17 Nov

17:04 - 07:10LGB-SYD

44h 06m2 stops

10:40 - 12:15SYD-LGB

20h 35m2 stops

$1,807Delta

Find Deal

Tue, 28 Oct - Mon, 17 Nov

Alaska Airlines flights from Orange County to Sydney

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

Alaska Airlines

20 Oct

LGB07:55Long Beach Municipal

17h 50m

1 stop

SYD19:45Sydney Kingsford Smith

2 Nov

SYD21:40Sydney Kingsford Smith

17h 07m

1 stop

LGB19:47Long Beach Municipal

$1,510

Find similar

Alaska Airlines

30 Oct

LGB07:42Long Beach Municipal

18h 03m

1 stop

SYD19:45Sydney Kingsford Smith

15 Nov

SYD21:40Sydney Kingsford Smith

17h 07m

1 stop

LGB19:47Long Beach Municipal

$1,590

Find similar

Alaska Airlines

28 Oct

SNA21:25Santa Ana J. Wayne/Orange Cnty

28h 20m

2 stops

SYD19:45Sydney Kingsford Smith

13 Nov

SYD21:40Sydney Kingsford Smith

29h 56m

2 stops

SNA08:36Santa Ana J. Wayne/Orange Cnty

$1,596

Find similar

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

9 Nov

SNA08:00Santa Ana J. Wayne/Orange Cnty

29h 45m

2 stops

SYD08:45Sydney Kingsford Smith

3 Feb

SYD09:55Sydney Kingsford Smith

42h 16m

2 stops

SNA09:11Santa Ana J. Wayne/Orange Cnty

$1,618

Find similar

Air New Zealand

9 Nov

SNA08:00Santa Ana J. Wayne/Orange Cnty

29h 45m

2 stops

SYD08:45Sydney Kingsford Smith

3 Feb

SYD09:55Sydney Kingsford Smith

42h 16m

2 stops

SNA09:11Santa Ana J. Wayne/Orange Cnty

$1,624

Find similar

Air New Zealand

9 Mar

SNA16:05Santa Ana J. Wayne/Orange Cnty

22h 40m

2 stops

SYD08:45Sydney Kingsford Smith

23 Mar

SYD19:15Sydney Kingsford Smith

43h 24m

2 stops

SNA20:39Santa Ana J. Wayne/Orange Cnty

$1,648

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 27/10

09:17-06:55

1 stop27h 38m

Sydney Kingsford Smith

Mon 10/11

14:05-16:06

1 stop21h 01m

$1,404

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Mon 27/10

13:10-09:00

2 stops25h 50m

Sydney Kingsford Smith

Mon 10/11

11:20-12:37

2 stops20h 17m

$1,408

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

$1,510

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Thu 30/10

07:42-19:45

1 stop18h 03m

Sydney Kingsford Smith

Thu 6/11

21:40-19:47

1 stop17h 07m

$1,590

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 9/11

08:00-08:45

2 stops29h 45m

Sydney Kingsford Smith

Tue 3/2

09:55-09:11

2 stops42h 16m

$1,618

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 9/11

08:00-08:45

2 stops29h 45m

Sydney Kingsford Smith

Tue 3/2

09:55-09:11

2 stops42h 16m

$1,624

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 28/9

18:11-06:55

1 stop19h 44m

Sydney Kingsford Smith

Sun 5/10

11:20-14:25

1 stop21h 05m

$1,630

Santa AnaSydney

SNA - SYD

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 28/9

19:07-06:55

1 stop18h 48m

Sydney Kingsford Smith

Sun 5/10

10:30-14:25

2 stops21h 55m

$1,636

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Mon 27/10

07:00-07:10

2 stops30h 10m

Sydney Kingsford Smith

Mon 17/11

10:40-12:15

2 stops20h 35m

$1,786

Long BeachSydney

LGB - SYD

LGBSYD

Long Beach Municipal

Tue 28/10

17:04-07:10

2 stops44h 06m

Sydney Kingsford Smith

Mon 17/11

10:40-12:15

2 stops20h 35m

$1,807

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 $1,349. 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 $1,383.

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 $1,432. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,944.

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 $1,450. 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 $1,922 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 $1,505 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 $1,359 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 23.60% of the total bookings. Other popular models include Airbus A320-100/200 with 16.69%, Airbus A321neo with 10.36%, and Airbus A321-100/200 with 7.79%.

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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.