Are there nonstop flights from Colorado Springs (COS) to Santa Rosa (STS)?

No. The fastest connection is via Salt Lake City, about 2h 55m of total flying time.

What is the fastest connection from Colorado Springs (COS) to Santa Rosa (STS)?

via Salt Lake City ≈ 2h 55m, via Denver ≈ 2h 59m, via Las Vegas ≈ 2h 59m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

City of Colorado Springs Municipal Airport (COS) to Charles M. Schulz Sonoma County Airport (STS)・1,570 km

No nonstop flights. The fastest connection is via Salt Lake City (SLC), about 2h 55m of flying time (layover not included).

With milesJAL 23,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.