Are there nonstop flights from Colorado Springs (COS) to Houston (IAH)?

Yes. United Express fly this route. Flight time is about 2h 2m.

What is the fastest connection from Colorado Springs (COS) to Houston (IAH)?

via Dallas-Fort Worth ≈ 2h 33m, via San Antonio ≈ 2h 45m, via Denver ≈ 2h 46m (estimated flying time, excluding layovers).

from 12,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

City of Colorado Springs Municipal Airport (COS) to George Bush Intercontinental Airport (IAH)・1,302 km

Nonstop flights available (1 airline). Flight time about 2h 2m. Nonstop return flights also operate.

With milesJAL 12,000 miles+ (via DFW)ANA 15,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

10 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.