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Cheap flights from California to Australia from £335

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Sun 16/1112:00LAX - SYD
1 stop26h 15mUnited Airlines
Mon 8/1211:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 5/11£651
Sun 9/1118:50LAX - SYD
1 stop19h 25mUnited Airlines
Sun 23/1111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 6/11£652
Fri 14/1122:40LAX - SYD
Nonstop15h 25mUnited Airlines
Mon 8/1211:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 5/11£653
Thu 6/1122:40LAX - SYD
Nonstop15h 25mUnited Airlines
Wed 19/1111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 5/11£655
Sun 9/1122:20LAX - SYD
Nonstop15h 10mDelta
Sun 23/1110:40SYD - LAX
Nonstop14h 00mDelta
Deal found 7/11£656
Sun 16/1120:20LAX - SYD
1 stop17h 55mUnited Airlines
Sun 23/1111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 6/11£658
Sat 22/1122:40LAX - SYD
Nonstop15h 25mUnited Airlines
Sat 29/1111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 6/11£658
Mon 29/1222:50LAX - SYD
1 stop36h 30mUnited Airlines
Thu 29/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 6/11£659
Sat 15/1117:20LAX - SYD
1 stop20h 55mUnited Airlines
Sat 13/1212:10SYD - LAX
1 stop19h 26mUnited Airlines
Deal found 5/11£660
Fri 14/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Sun 7/1221:40SYD - SFO
1 stop16h 35mAlaska Airlines
Deal found 5/11£798
Sun 9/1120:15SFO - SYD
Nonstop14h 55mQantas Airways
Sun 16/1121:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 5/11£800
Wed 12/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Wed 28/121:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 5/11£801

Cheap flight deals from California to Australia

Keep the following information in mind while searching for California to Australia flight deals. Data was last updated 7 November 2025.

Round-trip from

£649

One-way from

£335

Popular in

December

Cheapest in

February

Average price

£754

Good round-trip deal

£654 or less

Good one-way deal

£2,397 or less
Fiji Airways
  • Fiji Airways
  • 23/3-27/3
  • 2 total stops
  • 35h 40m total
  • California to Australia
Search Deals
United Airlines
  • United Airlines
  • 27/11
  • Nonstop
  • 15h 25m total
  • California to Australia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£106 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from California to Australia.
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 7 November 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

Mon 23/3

23:45-12:35

1 stop18h 50m

Sydney Kingsford Smith

Fri 27/3

14:00-12:50

1 stop16h 50m

£649

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 23/3

17:22-09:15

1 stop21h 53m

Sydney Kingsford Smith

Fri 27/3

10:20-06:00

Nonstop13h 40m

£653

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 27/1

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Tue 3/2

11:20-06:00

Nonstop13h 40m

£654

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 3/12

22:40-09:05

Nonstop15h 25m

Sydney Kingsford Smith

Wed 10/12

11:20-06:00

Nonstop13h 40m

£654

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 24/11

22:40-09:05

Nonstop15h 25m

Sydney Kingsford Smith

Wed 10/12

11:20-06:00

Nonstop13h 40m

£654

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 3/3

22:35-09:05

Nonstop15h 30m

Sydney Kingsford Smith

Sun 8/3

10:20-05:00

Nonstop13h 40m

£655

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sat 28/2

22:35-09:05

Nonstop15h 30m

Sydney Kingsford Smith

Tue 3/3

11:20-06:00

Nonstop13h 40m

£656

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 23/11

20:40-19:45

1 stop28h 05m

Sydney Kingsford Smith

Fri 12/12

21:40-19:15

1 stop16h 35m

£809

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 19/2

07:35-19:45

1 stop17h 10m

Sydney Kingsford Smith

Tue 10/3

21:40-20:35

1 stop16h 55m

£809

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Mon 16/2

07:35-19:45

1 stop17h 10m

Sydney Kingsford Smith

Fri 20/2

21:40-05:15

1 stop26h 35m

£810

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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 £171). Flying from California to Australia in December is currently the most expensive (average of £574). 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 7 November 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 7 November 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 30 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 £800, Fiji Airways can have you in Australia from California in 14h 55m. The distance from California to Australia is about 7420 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 United Airlines, with whom users have recently found tickets for as low as £335. However, be on the lookout for offers from Alaska Airlines 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 £171). Flying from California to Australia in December is currently the most expensive (average of £574). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest£307Average£654FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest£582Average£1,062FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
DeltaCheapest£630Average£681FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£647Average£1,146FlexibilityNo 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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