Are there nonstop flights from Austin (AUS) to Louisville (SDF)?

No. The fastest connection is via Nashville, about 2h 43m of total flying time.

What is the fastest connection from Austin (AUS) to Louisville (SDF)?

via Nashville ≈ 2h 43m, via Dallas ≈ 2h 43m, via Dallas-Fort Worth ≈ 2h 45m (estimated flying time, excluding layovers).

from 12,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

Austin Bergstrom International Airport (AUS) to Louisville Muhammad Ali International Airport (SDF)・1,408 km

No nonstop flights. The fastest connection is via Nashville (BNA), about 2h 43m of flying time (layover not included).

With milesJAL 12,000 miles+ (via DFW)ANA 15,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

27 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.