Search hundreds of travel sites at once for deals on flights to Sydney
Good to know
Best time to beat the crowds
expected price decrease
Most popular time to fly
expected price increase
(price for this month)
or less return trip within
of travel is a good deal
When to book flights from San Francisco to Sydney
Average price per month
Flight prices as travel date approaches
Top tips for finding a cheap flight
The cheapest flight from San Francisco to Sydney was found, on average, 83 days before departure.
Book at least 4 weeks before departure in order to get a below-average price.
FAQs for booking San Francisco to Sydney flights
How does KAYAK find such low flight prices?
KAYAK processes over 2 billion travel queries annually and displays results from hundreds of airlines and third party sites, allowing it to find a variety of flight prices and options. It also displays results from 2M+ properties along with car hire, holiday packages, activities and millions of verified reviews so users can see as many available travel options as possible.
How can Hacker Fares save me money?
Hacker Fares allow you to combine one-way tickets on different airlines when it can save you money over a traditional return ticket.
Does KAYAK query more flight providers than competitors?
Yes, KAYAK has access to more data and information than online travel agencies and consistently outperforms the competition in accuracy, globally.
How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a given destination and date is likely to change within 7 days, so travellers know whether to wait or book now.