Are there nonstop flights from Colorado Springs (COS) to Appleton (ATW)?

No. The fastest connection is via Denver, about 2h 48m of total flying time.

What is the fastest connection from Colorado Springs (COS) to Appleton (ATW)?

via Denver ≈ 2h 48m, via Minneapolis ≈ 2h 49m, via Chicago ≈ 3h 1m (estimated flying time, excluding layovers).

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

City of Colorado Springs Municipal Airport (COS) to Appleton International Airport (ATW)・1,474 km

No nonstop flights. The fastest connection is via Denver (DEN), about 2h 48m of flying time (layover not included).

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

None.

8 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.