Are there nonstop flights from Kalispell (FCA) to Austin (AUS)?

Yes. Delta Connection fly this route. Flight time is about 3h 24m.

What is the fastest connection from Kalispell (FCA) to Austin (AUS)?

via Denver ≈ 3h 53m, via Dallas-Fort Worth ≈ 4h, via Salt Lake City ≈ 4h 3m (estimated flying time, excluding layovers).

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

Glacier Park International Airport (FCA) to Austin Bergstrom International Airport (AUS)・2,458 km

Nonstop flights available (1 airline). Flight time about 3h 24m. Nonstop return flights also operate.

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

13 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.