Are there nonstop flights from San Antonio (SAT) to Sydney (SYD)?

No. The fastest connection is via Los Angeles, about 17h 28m of total flying time.

What is the fastest connection from San Antonio (SAT) to Sydney (SYD)?

via Los Angeles ≈ 17h 28m, via Houston ≈ 17h 39m, via Dallas-Fort Worth ≈ 17h 43m (estimated flying time, excluding layovers).

from 37,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

San Antonio International Airport (SAT) to Sydney Kingsford Smith International Airport (SYD)・13,539 km

No nonstop flights. The fastest connection is via Los Angeles (LAX), about 17h 28m of flying time (layover not included).

With milesANA 37,500 miles+ (via IAH)JAL 47,000 miles+ (via LAX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.