Direct flights from Houston to Denver IAH → DEN

ATI, Frontier Airlines and United Airlines operate nonstop flights from Houston (IAH) to Denver (DEN). The nonstop flight takes around ~1h 44m, covering 862 miles (1,387 km) and operates multiple daily. Updated 28 June 2026.

📬 Cheap nonstop deals from Houston

We'll email you when a fare from IAH drops well below normal. Free, weekly, no password needed.

Free · weekly digest · no password needed

ATI 8C Frontier Airlines F9 United Airlines UA

Departure Schedule next 7 days

More nonstops from Houston

IAH → DFW Dallas-Fort Worth 9 airlines IAH → AUS Austin 6 airlines IAH → CLT Charlotte 6 airlines IAH → LAX Los Angeles 6 airlines IAH → ORD Chicago 6 airlines IAH → ATL Atlanta 5 airlines IAH → DTW Detroit 5 airlines IAH → MSY New Orleans 5 airlines

Frequently asked questions

Is there a direct flight from Houston to Denver?

Yes, ATI, Frontier Airlines and 1 more airline operate nonstop flights from Houston (IAH) to Denver (DEN).

Which airlines fly direct from Houston to Denver?

ATI, Frontier Airlines, United Airlines operate nonstop flights from Houston to Denver.

How long is the flight from Houston to Denver?

The nonstop flight from Houston to Denver takes ~1h 44m (approximately 1387 km).

How often do direct flights operate from Houston to Denver?

Nonstop flights from Houston to Denver operate multiple daily.

Explore More

IAH All direct flights from Houston 🗓 Find cheapest round-trip dates → DEN All direct flights from Denver DEN → IAH Return: Denver to Houston
Cheap direct deals from Houston — last one was $168 to Los Angeles