Are there nonstop flights from Santa Rosa (STS) to Salt Lake City (SLC)?

Yes. Delta Connection fly this route. Flight time is about 1h 38m.

What is the fastest connection from Santa Rosa (STS) to Salt Lake City (SLC)?

via Boise ≈ 2h 29m, via Las Vegas ≈ 2h 33m, via Burbank ≈ 2h 49m (estimated flying time, excluding layovers).

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

Charles M. Schulz Sonoma County Airport (STS) to Salt Lake City International Airport (SLC)・961 km

Nonstop flights available (1 airline). Flight time about 1h 38m. Nonstop return flights also operate.

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

12 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.