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Cheap flights from California to Australia from £323

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from California to Australia

Enter your travel dates to find the best prices.

Cheapest flights from California to Australia
Explore the most affordable flight options available from California to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.

Sun 7/1221:25LAX - SYD
Nonstop15h 00mQantas Airways
Sun 21/1211:20SYD - LAX
Nonstop13h 45mQantas Airways
Deal found 1/12£631
Tue 2/1222:45LAX - SYD
Nonstop15h 15mQantas Airways
Mon 8/1217:45SYD - LAX
Nonstop13h 45mQantas Airways
Deal found 1/12£631
Fri 5/1222:45LAX - SYD
Nonstop15h 15mQantas Airways
Sun 14/1211:20SYD - LAX
Nonstop13h 45mQantas Airways
Deal found 3/12£642
Sun 7/1217:20LAX - SYD
1 stop18h 00mUnited Airlines
Sun 21/1211:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 2/12£644
Wed 3/1220:20LAX - SYD
1 stop17h 55mUnited Airlines
Wed 10/1211:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 2/12£647
Wed 31/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Tue 20/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 1/12£649
Wed 10/1218:52LAX - SYD
1 stop19h 23mUnited Airlines
Mon 15/1211:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 3/12£650
Wed 31/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Sat 24/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 1/12£651
Wed 3/1223:05SFO - MEL
Nonstop15h 55mUnited Airlines
Wed 10/1213:00MEL - SFO
Nonstop14h 25mUnited Airlines
Deal found 2/12£760
Thu 4/1223:05SFO - MEL
Nonstop15h 55mUnited Airlines
Wed 17/1213:00MEL - SFO
Nonstop14h 25mUnited Airlines
Deal found 2/12£762
Tue 2/1220:15SFO - MEL
1 stop18h 50mQantas Airways
Fri 26/1218:20MEL - SFO
1 stop16h 35mQantas Airways
Deal found 1/12£784
Thu 4/1207:15SFO - SYD
1 stop17h 30mAlaska Airlines
Sun 21/1221:40SYD - SFO
1 stop16h 40mAlaska Airlines
Deal found 30/11£803

Find flight deals from California to Australia

Keep the following information in mind while searching for California to Australia flight deals. Data was last updated 3 December 2025.

Round-trip from

£629

One-way from

£323

Popular in

December

Cheapest in

February

Average price

£977

Good one-way deal

£310 or less
Qantas Airways
  • Qantas Airways
  • 13/1-4/2
  • Nonstop
  • 28h 45m total
  • California to Australia
Search Deals
United Airlines
  • United Airlines
  • 28/1
  • 1 total stop
  • 37h 40m total
  • California to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from California to Australia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from California to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from California to Australia that are best for you.

Fly from

California

Fly to

Australia

Route

Depart

Return

Price

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 11/2

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Tue 24/2

11:20-06:00

Nonstop13h 40m

£649

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 27/4

22:40-07:00

Nonstop15h 20m

Sydney Kingsford Smith

Wed 13/5

09:30-06:10

Nonstop13h 40m

£649

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 14/1

21:25-07:25

Nonstop15h 00m

Sydney Kingsford Smith

Mon 9/2

11:20-06:05

Nonstop13h 45m

£650

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 14/1

21:25-07:25

Nonstop15h 00m

Sydney Kingsford Smith

Tue 10/2

11:20-06:05

Nonstop13h 45m

£650

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 13/1

21:25-07:25

Nonstop15h 00m

Sydney Kingsford Smith

Tue 10/2

17:45-12:30

Nonstop13h 45m

£651

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 26/1

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Thu 29/1

11:20-06:00

Nonstop13h 40m

£651

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 13/1

21:25-07:25

Nonstop15h 00m

Sydney Kingsford Smith

Wed 4/2

17:45-12:30

Nonstop13h 45m

£651

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Thu 5/2

16:15-09:15

1 stop22h 00m

Sydney Kingsford Smith

Mon 23/2

11:20-06:00

Nonstop13h 40m

£654

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Thu 5/3

20:05-09:15

1 stop18h 10m

Sydney Kingsford Smith

Fri 20/3

10:20-06:00

Nonstop13h 40m

£657

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Thu 12/3

12:25-23:00

1 stop40h 35m

Melbourne

Thu 19/3

00:45-10:45

1 stop28h 00m

£743

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 60 results
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Best time to book a flight from California to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from California with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to Australia

What is the cheapest month to book a flight from California to Australia?

Currently, January is the cheapest month in which you can book a flight from California to Australia (average of £170). Flying from California to Australia in December is currently the most expensive (average of £597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to AU?

Find hourly flight availability from California to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.

It’s optimal to fly from California to Australia in the afternoon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from California to Australia

Explore weekly flight availability from California to Australia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 December 2025.

The most flights from USCA to AU0 are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

Related info for your journey

Find useful and relevant information for your journey from California to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this California to Australia flight route?

    This flight path from California to Australia was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from California to Australia?

    For as low as £650, United Airlines can have you in Australia from California in 15h. The distance from California to Australia is about 7489 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to Australia one-way?

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as £271. However, be on the lookout for offers from Qantas Airways and Delta, as they are both options that can get you from California to Australia for a low price.

  • Can I find deals for flights from California to Australia that include hotel bookings?

    Yes. In addition to deals on California to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from California to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Australia.

  • Can I find deals for business class flights from California to Australia?

    Yes. Cheapflights offers flight deals from California to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Australia?

    Currently, January is the cheapest month in which you can book a flight from California to Australia (average of £170). Flying from California to Australia in December is currently the most expensive (average of £597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
San Francisco to Melbourne flights
Los Angeles to Papeete flights

Top 4 airlines flying from California to Australia

Discover the top 4 airlines that operate flights from California to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest£304Average£648FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest£577Average£1,012FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
DeltaCheapest£625Average£648FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£649Average£971FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from California to Australia?

Cheapflights helps you search for flights from California to Australia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from California to Australia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from California to Australia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from California to Australia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from California to Australia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from California to Australia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from California today and book when prices fit your budget.

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