Nonstop flights from Houston to Denver

2 airlines fly this route, with up to 14 flights a day.

IAHHouston George Bush Intercontinental

862 mi · 91 flights a week

DENDenver International

IAHDEN

When they leave

Houston time

5:15a10:14pFirst departure 5:15 AM, last 10:14 PM

Six in the morning, 5:15 AM to 10:31 AM, then three in the afternoon, 12:30 PM to 4:27 PM, then five in the evening, 6:14 PM to 10:14 PM.

Every flight

Earliest first

5:15 AM→6:47 AMUnited AirlinesAirbus A321neoDaily
6:30 AM→8:02 AMUnited AirlinesAirbus A321neoMon, Thu, Fri
6:30 AM→8:14 AMFrontier AirlinesAirbus A320neoDaily
7:20 AM→8:55 AMUnited AirlinesAirbus A321neoDaily
8:30 AM→10:07 AMUnited AirlinesAirbus A321neoDaily
9:33 AM→11:10 AMUnited AirlinesAirbus A321neoDaily
10:31 AM→12:08 PMUnited AirlinesAirbus A321neoDaily
12:30 PM→2:15 PMUnited AirlinesAirbus A321neoDaily
3:00 PM→4:45 PMUnited AirlinesAirbus A321neoDaily
4:27 PM→6:18 PMUnited AirlinesAirbus A321neoDaily
6:14 PM→8:03 PMFrontier AirlinesAirbus A321neoDaily
6:18 PM→8:09 PMUnited AirlinesBoeing 757Daily
8:24 PM→10:15 PMUnited AirlinesAirbus A321neoDaily
10:09 PM→11:58 PMFrontier AirlinesAirbus A321neoMon, Fri, Sun
10:14 PM→12:03 AM⁺¹Frontier AirlinesAirbus A321neoThu

Schedules last checked Sep 19, 2026. Times are local.

Flying from Houston to Denver

United Airlines flies most often, 10 to 11 times a day on the Airbus A321neo and Boeing 757. Frontier Airlines flies 2 to 3 times a day on the Airbus A321neo and Airbus A320neo.

Flights run every day of the week, from 12 on Tuesdays, Wednesdays and Saturdays to 14 on Mondays, Thursdays and Fridays. The first arrival in Denver is at 6:47 AM and the last at 12:03 AM the next day. The flight covers 862 miles.

Flying back, Denver to Houston has 85 nonstop flights a week. William P. Hobby (HOU) also has nonstop flights to Denver, 40 a week.