Are there nonstop flights from Austin (AUS) to Chattanooga (CHA)?

No. The fastest connection is via Houston, about 2h 34m of total flying time.

What is the fastest connection from Austin (AUS) to Chattanooga (CHA)?

via Houston ≈ 2h 34m, via Dallas-Fort Worth ≈ 2h 41m, via Atlanta ≈ 2h 44m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

Austin Bergstrom International Airport (AUS) to Chattanooga Metropolitan Airport (Lovell Field) (CHA)・1,284 km

No nonstop flights. The fastest connection is via Houston (IAH), about 2h 34m of flying time (layover not included).

With milesJAL 12,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.