What is the cheapest airline that flies from Orange County to Australia?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Orange County to Australia

When did momondo last update prices for flights from Orange County to Australia?

Prices for flights from Orange County to Australia are refreshed on a daily basis.

How old do you have to be to fly from Orange County to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Orange County to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia 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 Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$745 Cheap Flights from Orange County to Australia in 2026/27

Find the cheapest flights from Orange County to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:35 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 00m1 stop Vancouver Intl

11:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 10m1 stop Vancouver Intl

$1,275Air Canada

Tue, 27 Oct - Sun, 15 Nov

13:09 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 26m2 stops Denver Intl Vancouver Intl

11:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 10m1 stop Vancouver Intl

$1,280Multiple Airlines

Tue, 27 Oct - Sun, 15 Nov

13:09 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 26m2 stops Denver Intl Vancouver Intl

11:20 - 16:46SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

24h 26m2 stops Vancouver Intl San Francisco

$1,294Multiple Airlines

Tue, 27 Oct - Sun, 15 Nov

14:20 - 16:40SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

31h 20m2 stops Vancouver Intl Brisbane

11:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 10m1 stop Vancouver Intl

$1,306Air Canada

Sun, 1 Nov - Sun, 8 Nov

14:20 - 16:40SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

31h 20m2 stops Vancouver Intl Brisbane

06:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

26h 10m2 stops Brisbane Vancouver Intl

$1,320Multiple Airlines

Sun, 1 Nov - Sun, 8 Nov

12:35 - 09:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

26h 00m1 stop Vancouver Intl

10:20 - 12:01SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

19h 41m1 stop Vancouver Intl

$1,345Air Canada

Wed, 3 Mar - Wed, 24 Mar

13:35 - 14:40SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

31h 05m2 stops Vancouver Intl Brisbane

11:20 - 14:14SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 54m2 stops Vancouver Intl San Francisco

$1,372Multiple Airlines

Sat, 31 Oct - Sat, 7 Nov

13:35 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 00m1 stop Vancouver Intl

11:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 10m1 stop Vancouver Intl

$1,381Air Canada

Thu, 29 Oct - Thu, 5 Nov

13:35 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 00m1 stop Vancouver Intl

11:20 - 14:14SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

21h 54m2 stops Vancouver Intl San Francisco

$1,394Multiple Airlines

Sat, 31 Oct - Sat, 7 Nov

13:35 - 08:35SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

25h 00m1 stop Vancouver Intl

07:20 - 13:30SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

25h 10m2 stops Brisbane Vancouver Intl

$1,429Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:52 - 06:50LGB Long Beach Municipal-SYD Sydney Kingsford Smith

20h 58m2 stops Salt Lake City Los Angeles Los Angeles

10:15 - 16:10SYD Sydney Kingsford Smith-LGB Long Beach Municipal

23h 55m2 stops Los Angeles Los Angeles Salt Lake City

$1,551Delta

Thu, 24 Sep - Mon, 12 Oct

20:00 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

17h 55m1 stop San Francisco

11:20 - 12:03SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

18h 43m1 stop San Francisco

$1,607United Airlines

Thu, 24 Sep - Wed, 14 Oct

15:06 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

22h 49m1 stop San Francisco

11:20 - 12:03SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

18h 43m1 stop San Francisco

$1,607United Airlines

Thu, 24 Sep - Tue, 13 Oct

15:06 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

22h 49m1 stop San Francisco

11:20 - 10:20SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

17h 00m1 stop San Francisco

$1,607United Airlines

Thu, 24 Sep - Mon, 12 Oct

20:00 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

17h 55m1 stop San Francisco

11:20 - 10:20SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

17h 00m1 stop San Francisco

$1,678United Airlines

Thu, 24 Sep - Fri, 16 Oct

20:00 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

17h 55m1 stop San Francisco

11:20 - 10:20SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

17h 00m1 stop San Francisco

$1,678United Airlines

Thu, 24 Sep - Thu, 15 Oct

20:00 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

17h 55m1 stop San Francisco

11:20 - 12:03SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

18h 43m1 stop San Francisco

$1,678United Airlines

Thu, 24 Sep - Sat, 10 Oct

20:00 - 06:55SNA Santa Ana J. Wayne/Orange Cnty-SYD Sydney Kingsford Smith

17h 55m1 stop San Francisco

11:20 - 10:20SYD Sydney Kingsford Smith-SNA Santa Ana J. Wayne/Orange Cnty

17h 00m1 stop San Francisco

$1,678United Airlines

Thu, 24 Sep - Sun, 11 Oct

07:25 - 18:50LGB Long Beach Municipal-SYD Sydney Kingsford Smith

18h 25m1 stop Honolulu

20:45 - 20:30SYD Sydney Kingsford Smith-LGB Long Beach Municipal

16h 45m1 stop Honolulu

$1,716Alaska Airlines

Wed, 23 Sep - Thu, 1 Oct

07:25 - 18:50LGB Long Beach Municipal-SYD Sydney Kingsford Smith

18h 25m1 stop Honolulu

20:45 - 20:31SYD Sydney Kingsford Smith-LGB Long Beach Municipal

17h 46m1 stop Honolulu

$1,811Alaska Airlines

Thu, 24 Sep - Sun, 11 Oct

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Air Canada flights from Orange County to Australia

Our best Air Canada deals on Orange County to Australia flight tickets

Air Canada

27 Oct

SNA13:35Santa Ana J. Wayne/Orange Cnty

25h 00m

1 stop

SYD08:35Sydney Kingsford Smith

15 Nov

SYD11:20Sydney Kingsford Smith

21h 10m

1 stop

SNA13:30Santa Ana J. Wayne/Orange Cnty

$1,275

Air Canada

1 Nov

SNA14:20Santa Ana J. Wayne/Orange Cnty

31h 20m

2 stops

SYD16:40Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

21h 10m

1 stop

SNA13:30Santa Ana J. Wayne/Orange Cnty

$1,306

Air Canada

3 Mar

SNA12:35Santa Ana J. Wayne/Orange Cnty

26h 00m

1 stop

SYD09:35Sydney Kingsford Smith

24 Mar

SYD10:20Sydney Kingsford Smith

19h 41m

1 stop

SNA12:01Santa Ana J. Wayne/Orange Cnty

$1,345

Alaska Airlines flights from Orange County to Australia

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

Alaska Airlines

14 Feb

LGB08:45Long Beach Municipal

40h 00m

1 stop

SYD19:45Sydney Kingsford Smith

28 Feb

SYD21:40Sydney Kingsford Smith

18h 30m

1 stop

LGB21:10Long Beach Municipal

$1,346

Alaska Airlines

28 Oct

LGB07:30Long Beach Municipal

18h 15m

1 stop

SYD19:45Sydney Kingsford Smith

8 Nov

SYD21:40Sydney Kingsford Smith

17h 55m

1 stop

LGB20:35Long Beach Municipal

$1,487

Alaska Airlines

9 Mar

LGB08:45Long Beach Municipal

40h 00m

1 stop

SYD19:45Sydney Kingsford Smith

21 Mar

SYD21:40Sydney Kingsford Smith

17h 30m

1 stop

LGB21:10Long Beach Municipal

$1,547

momondo Fare Finder

Use the filters below to find and compare flights from Orange County to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 27/10

13:35-08:35

1 stop25h 00m

Sydney Kingsford Smith

Sun 15/11

11:20-13:30

1 stop21h 10m

$1,275

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 27/10

13:09-08:35

2 stops25h 26m

Sydney Kingsford Smith

Sun 15/11

11:20-13:30

1 stop21h 10m

$1,280

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Tue 27/10

13:09-08:35

2 stops25h 26m

Sydney Kingsford Smith

Sun 15/11

11:20-16:46

2 stops24h 26m

$1,294

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 1/11

14:20-16:40

2 stops31h 20m

Sydney Kingsford Smith

Sun 8/11

11:20-13:30

1 stop21h 10m

$1,306

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sun 1/11

14:20-16:40

2 stops31h 20m

Sydney Kingsford Smith

Sun 8/11

06:20-13:30

2 stops26h 10m

$1,320

Fastest return journey

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Wed 3/3

12:35-09:35

1 stop26h 00m

Sydney Kingsford Smith

Wed 24/3

10:20-12:01

1 stop19h 41m

$1,345

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sat 31/10

13:35-14:40

2 stops31h 05m

Sydney Kingsford Smith

Sat 7/11

11:20-14:14

2 stops21h 54m

$1,372

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 29/10

13:35-08:35

1 stop25h 00m

Sydney Kingsford Smith

Thu 5/11

11:20-13:30

1 stop21h 10m

$1,381

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Sat 31/10

13:35-08:35

1 stop25h 00m

Sydney Kingsford Smith

Sat 7/11

11:20-14:14

2 stops21h 54m

$1,394

Santa AnaSydney

SNA Santa Ana J. Wayne/Orange Cnty - SYD Sydney Kingsford Smith

SNASYD

Santa Ana J. Wayne/Orange Cnty

Thu 29/10

13:35-08:35

1 stop25h 00m

Sydney Kingsford Smith

Thu 5/11

07:20-13:30

2 stops25h 10m

$1,429

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 Australia

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

How far in advance should I book a flight from Orange County to Australia?

You are more likely to see cheaper flights to Australia from Orange County when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,374 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Orange County for as low as $1,290 on momondo.

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

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

Cheap Orange County to Australia flight deals and tips

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

Best price found	$745
Fastest flight time	18h 15m
Direct flights	None

The best one-way flight to Australia from Orange County in the past 72 hours is $745. The best return flight deal from Orange County to Australia found on momondo in the last 72 hours is $1,275.

The fastest flight from Orange County to Australia takes 18h 15m

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

Search flight deals

Frequently asked questions about flying from Orange County to Australia

When did momondo last update prices for flights from Orange County to Australia?
Prices for flights from Orange County to Australia are refreshed on a daily basis.
How old do you have to be to fly from Orange County to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Orange County to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia 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 Australia. 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 Australia?
momondo data reveals that the most frequently booked plane model on the route from Orange County to Australia is Boeing 737-800 Passenger/BBJ2 (winglets), representing 29.55% of all bookings. The subsequent popular models are Airbus A321neo at 20.11%, Airbus A320-100/200 at 19.29%, and Airbus A321-100/200 at 7.67%.

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Orange County to Australia flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Australia from Orange County. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Orange County to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.