Are there nonstop flights from Sioux Falls (FSD) to Phoenix (PHX)?

Yes. American Eagle (airline brand) fly this route. Flight time is about 2h 33m.

What is the fastest connection from Sioux Falls (FSD) to Phoenix (PHX)?

via Denver ≈ 3h 3m, via Las Vegas ≈ 3h 34m, via Minneapolis ≈ 3h 47m (estimated flying time, excluding layovers).

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

Sioux Falls Regional Airport (FSD) to Phoenix Sky Harbor International Airport (PHX)・1,738 km

Nonstop flights available (1 airline). Flight time about 2h 33m. 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.

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.