Cheap flights from Sydney to San Francisco from £408
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Francisco are usually found in August or September, booked 17 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Find flight deals from Sydney to San Francisco
Cheapest flights from Sydney to San FranciscoExplore the most affordable flight options available from Sydney to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.
Explore the most affordable flight options available from Sydney to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.
Cheap flight deals from Sydney to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 October 2025.
Round-trip from | £636 |
---|---|
One-way from | £408 |
Popular in | December |
Cheapest in | August |
Average price | £738 |
Good one-way deal | £372 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Sydney to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Mon 10/11
12:10-06:50
Nonstop13h 40m
San Francisco
Wed 26/11
22:50-09:15
Nonstop15h 25m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Wed 24/12
12:10-06:55
Nonstop13h 45m
San Francisco
Mon 5/1
20:15-06:20
Nonstop15h 05m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Wed 19/11
12:10-06:50
Nonstop13h 40m
San Francisco
Wed 26/11
22:50-09:15
Nonstop15h 25m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Thu 5/3
12:10-06:55
Nonstop13h 45m
San Francisco
Wed 18/3
12:55-09:05
1 stop26h 10m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Tue 24/3
12:10-07:55
Nonstop13h 45m
San Francisco
Tue 7/4
18:30-07:00
1 stop19h 30m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Thu 25/12
14:15-16:20
1 stop21h 05m
San Francisco
Tue 13/1
16:15-06:50
1 stop19h 35m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Tue 20/1
10:40-10:03
1 stop18h 23m
San Francisco
Tue 27/1
08:55-06:50
1 stop26h 55m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Wed 25/3
09:40-18:42
2 stops27h 02m
San Francisco
Wed 29/4
13:35-06:35
2 stops24h 00m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Thu 12/3
09:40-18:42
2 stops27h 02m
San Francisco
Mon 16/3
19:00-06:05
2 stops41h 05m
SydneySan Francisco
SYD - SFO
SYDSFO
Sydney Kingsford Smith
Tue 13/1
21:40-20:49
2 stops42h 09m
Best time to book a flight from Sydney to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Sydney with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sydney to San Francisco
What is the cheapest month to book a flight from Sydney to San Francisco?
Currently, August is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £328). Flying from Sydney to San Francisco in December is currently the most expensive (average of £616). 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 SYD to SFO?
A simple way to save on the total cost of your ticket is to fly from Sydney to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.
How often are flights from Sydney to San Francisco delayed?
About 18% of weekly flights between Sydney and San Francisco have experienced delays in the past year, with the average delay time being 140 minutes.
What is the most punctual flight time for Sydney to San Francisco flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Sydney to San Francisco flights?
Over the past year, American Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Sydney to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Sydney to San Francisco
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How does Cheapflights help users find flights from Sydney to San Francisco?
Deals for Sydney to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Sydney to San Francisco?
Cheapflights simply makes it quick and affordable to book flights from Sydney to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Sydney to San Francisco with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to San Francisco flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to San Francisco become cheaper?
Of course! You can now track prices for flights from Sydney to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.