Cheap flights from San Francisco to Sydney
Cheap flight deals from San Francisco to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sydney (SYD). 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 29 October 2025.
Popular in | December |
|---|---|
Cheapest in | February |
Average price | C$ 1,664 |
Good one-way deal | C$ 1,188 or less |
Best time to book a flight from San Francisco to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Sydney
How far ahead should I book a flight from San Francisco to Sydney?
To ensure you get the cheapest price possible for a flight from San Francisco to Sydney, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Francisco to Sydney?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Sydney (average of C$ 409). Flying from San Francisco to Sydney in October is currently the most expensive (average of C$ 1,158). 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 SFO to SYD?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Sydney as you normally would.
How often are flights from San Francisco to Sydney delayed?
About 17% of weekly flights between San Francisco and Sydney have experienced delays in the past year, with the average delay time being 180 minutes.
What is the most punctual flight time for San Francisco to Sydney flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday 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 San Francisco to Sydney flights?
Over the past year, American Airlines has had the lowest number of delays on this route, with just 6% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Sydney. 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 San Francisco to Sydney
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Fly with Cheapflights
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How does Cheapflights help users find flights from San Francisco to Sydney?
Deals for San Francisco to Sydney 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 San Francisco to Sydney?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from San Francisco.
Can Cheapflights find flights from San Francisco to Sydney with no change fees?
Certainly. Search results for flights to Sydney from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from San Francisco to Sydney become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from San Francisco today and book when prices fit your budget.