San Francisco to Sydney — Flight Time
SFO → SYD · 15h 05m · 11,950 km · UTC−8/−7 → UTC+10/+11
A non-stop flight from San Francisco, United States (SFO) to Sydney, Australia (SYD) would cover approximately 11,950 km (7,426 miles) along the great-circle route, with an estimated flight duration of 15 hours and 5 minutes.
Estimate, not a schedule. This is a computed non-stop flying time. Check whether a non-stop service exists for your dates; if you connect, add the flying time of each leg plus the time on the ground at the hub.
Sydney is 17–19 hours ahead of San Francisco, depending on daylight saving. Set your watch forward on arrival.
These estimates assume a typical commercial cruising speed of 880 km/h and include standard time for taxi, climb and descent. Actual scheduled times can differ by an hour or more on long routes, depending on airline, routing, aircraft and winds.