Find flights
Deals
When to book
FAQs

Cheap flights from California to Australia from £308

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
16 Jan — 23 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 17 December 2025.

Sun 28/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Mon 12/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 15/12£639
Sun 28/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Tue 13/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 14/12£640
Sun 28/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Wed 21/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 15/12£641
Sat 27/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Sun 25/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 15/12£643
Wed 24/1216:10LAX - SYD
1 stop19h 10mUnited Airlines
Sun 25/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 15/12£644
Sat 27/1222:55LAX - SYD
Nonstop15h 10mUnited Airlines
Sat 24/111:20SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 14/12£647
Thu 25/1222:50LAX - SYD
1 stop36h 30mUnited Airlines
Sun 8/214:00SYD - LAX
1 stop22h 52mUnited Airlines
Deal found 14/12£648
Fri 26/1222:25LAX - SYD
Nonstop15h 05mDelta
Tue 20/114:15SYD - LAX
Nonstop14h 00mDelta
Deal found 15/12£648
Mon 29/1221:45SFO - SYD
1 stop40h 50mCathay Pacific
Sun 18/122:20SYD - SFO
1 stop41h 40mCathay Pacific
Deal found 15/12£881
Mon 29/1221:45SFO - SYD
1 stop28h 05mCathay Pacific
Wed 14/122:20SYD - SFO
1 stop41h 40mCathay Pacific
Deal found 15/12£918
Tue 30/1211:25SFO - MEL
1 stop30h 05mCathay Pacific
Sun 1/208:40MEL - SFO
1 stop31h 35mCathay Pacific
Deal found 14/12£932
Tue 30/1221:45SFO - MEL
1 stop38h 25mCathay Pacific
Fri 30/115:35MEL - SFO
1 stop24h 25mCathay Pacific
Deal found 15/12£969

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 17 December 2025.

Round-trip from

£618

One-way from

£308

Popular in

December

Cheapest in

February

Average price

£933

Good one-way deal

£305 or less
Fiji Airways
  • Fiji Airways
  • 18/1-31/1
  • 2 total stops
  • 44h 00m total
  • California to Australia
Search Deals
American Airlines
  • American Airlines
  • 10/3
  • 1 total stop
  • 23h 20m total
  • California to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 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 17 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

Sun 15/2

22:35-12:35

1 stop19h 00m

Sydney Kingsford Smith

Thu 19/2

06:00-12:00

1 stop25h 00m

£624

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sat 31/1

22:35-12:35

1 stop19h 00m

Sydney Kingsford Smith

Tue 17/2

14:00-12:00

1 stop17h 00m

£625

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 25/2

22:20-08:30

Nonstop15h 10m

Sydney Kingsford Smith

Sun 1/3

10:40-05:40

Nonstop14h 00m

£641

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 10/2

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Mon 16/2

11:20-06:00

Nonstop13h 40m

£641

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 17/2

17:20-09:15

1 stop20h 55m

Sydney Kingsford Smith

Wed 4/3

11:20-06:00

Nonstop13h 40m

£641

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 16/3

22:15-07:25

Nonstop15h 10m

Sydney Kingsford Smith

Mon 23/3

13:15-09:00

Nonstop13h 45m

£641

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sun 15/2

22:35-09:05

Nonstop15h 30m

Sydney Kingsford Smith

Thu 19/2

11:20-06:00

Nonstop13h 40m

£642

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sun 28/12

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Mon 12/1

11:20-06:00

Nonstop13h 40m

£642

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sat 7/2

22:55-09:05

Nonstop15h 10m

Sydney Kingsford Smith

Sun 15/2

11:20-06:00

Nonstop13h 40m

£643

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Wed 4/2

23:05-10:00

Nonstop15h 55m

Melbourne

Tue 17/2

13:00-08:25

Nonstop14h 25m

£777

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 60 results
1
2
3
...
6

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 £166). Flying from California to Australia in December is currently the most expensive (average of £591). 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 17 December 2025.

It’s optimal to fly from California to Australia in the afternoon. By choosing this option you can save up to 49% 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 17 December 2025.

The most flights from USCA to AU0 are scheduled on a Monday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 £641, Fiji Airways can have you in Australia from California in 15h 10m. 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 Qantas Airways, with whom users have recently found tickets for as low as £283. However, be on the lookout for offers from Delta and United Airlines, 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 £166). Flying from California to Australia in December is currently the most expensive (average of £591). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 airlines flying from California to Australia

Discover the top 3 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 17 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest£300Average£610FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapest£569Average£918FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest£639Average£945FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.