Are there nonstop flights from Sydney (SYD) to Austin (AUS)?

No. The fastest connection is via Los Angeles, about 17h 32m of total flying time.

What is the fastest connection from Sydney (SYD) to Austin (AUS)?

via Los Angeles ≈ 17h 32m, via Houston ≈ 17h 33m, via Dallas-Fort Worth ≈ 17h 37m (estimated flying time, excluding layovers).

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

Sydney Kingsford Smith International Airport (SYD) to Austin Bergstrom International Airport (AUS)・13,640 km

No nonstop flights. The fastest connection is via Los Angeles (LAX), about 17h 32m of flying time (layover not included).

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

None.

8 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.