Are there nonstop flights from Houston (HOU) to Denver (DEN)?

Yes. Southwest Airlines, Frontier Airlines fly this route. Flight time is about 2h 10m.

What is the fastest connection from Houston (HOU) to Denver (DEN)?

via Dallas-Fort Worth ≈ 2h 41m, via Dallas ≈ 2h 41m, via Amarillo ≈ 2h 42m (estimated flying time, excluding layovers).

William P. Hobby Airport (HOU) to Denver International Airport (DEN)・1,422 km

Nonstop flights available (2 airlines). Flight time about 2h 10m. Nonstop return flights also operate.

35 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.