Cheap flights from California to Australia from £370
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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 17 September 2025.
Round-trip from | £612 |
---|---|
One-way from | £370 |
Popular in | December |
Cheapest in | February |
Average price | £712 |
Good round-trip deal | £745 or less |
Good one-way deal | £435 or less |
Find flight deals from California to Australia
Cheapest flights from California to AustraliaExplore 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 September 2025.
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 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from California to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSydney
LAX - SYD
LAXSYD
Los Angeles
Fri 6/2
22:45-09:00
Nonstop15h 15m
Sydney Kingsford Smith
Fri 27/2
07:05-06:55
1 stop18h 50m
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Tue 14/10
23:55-09:00
1 stop39h 05m
Sydney Kingsford Smith
Mon 27/10
11:35-20:30
1 stop26h 55m
Los AngelesSydney
LAX - SYD
LAXSYD
Los Angeles
Sat 7/2
22:45-12:30
1 stop18h 45m
Sydney Kingsford Smith
Tue 17/2
06:00-11:50
1 stop24h 50m
OaklandSydney
OAK - SYD
OAKSYD
Oakland
Tue 11/11
20:03-19:45
2 stops28h 42m
Sydney Kingsford Smith
Tue 18/11
21:40-10:25
2 stops31h 45m
OaklandSydney
OAK - SYD
OAKSYD
Oakland
Sun 14/12
14:31-19:45
2 stops34h 14m
Sydney Kingsford Smith
Tue 13/1
21:40-23:38
2 stops20h 58m
OaklandSydney
OAK - SYD
OAKSYD
Oakland
Sun 14/12
14:31-19:45
2 stops34h 14m
Sydney Kingsford Smith
Fri 16/1
21:40-17:43
2 stops39h 03m
OaklandSydney
OAK - SYD
OAKSYD
Oakland
Thu 4/12
08:45-19:45
1 stop40h 00m
Sydney Kingsford Smith
Thu 11/12
21:40-19:39
1 stop16h 59m
Los AngelesSydney
LAX - SYD
LAXSYD
Los Angeles
Fri 30/1
10:00-19:45
1 stop38h 45m
Sydney Kingsford Smith
Sat 7/2
21:40-21:20
1 stop18h 40m
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sun 2/11
19:57-19:45
1 stop28h 48m
Sydney Kingsford Smith
Sat 15/11
21:40-19:22
1 stop16h 42m
OaklandSydney
OAK - SYD
OAKSYD
Oakland
Sun 14/12
14:31-19:45
2 stops34h 14m
Sydney Kingsford Smith
Wed 14/1
21:40-23:38
2 stops20h 58m
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.
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, May is the cheapest month in which you can book a flight from California to Australia (average of £985). Flying from California to Australia in July is currently the most expensive (average of £1,726). 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 September 2025.
When flying from California to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 September 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.
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.
Top 5 airlines flying from California to Australia
Discover the top 5 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 September 2025.
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.