Direct flights from Houston to Denver
94 nonstop flights a week on 2 airlines. Zero layovers — one hop from IAH to DEN.
Flight time: about 2h1m nonstop
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL1874 | 5:22a | 2h2m | Mon, Tue, Sun |
| United UAL1874 | 5:28a | 1h59m | Wed–Sat |
| Frontier FFT3229 | 6:27a | 2h8m | Sat–Sun |
| United UAL2415 | 6:28a | 1h54m | Tue, Wed, Fri |
| United UAL2415 | 6:36a | 2h1m | Mon, Sat |
| Frontier FFT3229 | 6:41a | 1h55m | Tue, Wed, Fri |
| United UAL2415 | 6:54a | 2h3m | Sun |
| Frontier FFT3229 | 7:04a | 1h47m | Thu |
| Frontier FFT3229 | 7:08a | 2h8m | Mon |
| United UAL2415 | 7:27a | 1h59m | Thu |
| United UAL1575 | 7:30a | 1h54m | Mon, Tue, Wed, Fri, Sat, Sun |
| United UAL1575 | 8:21a | 2h28m | Thu |
| United UAL1686 | 8:30a | 1h54m | Tue |
| United UAL1686 | 8:40a | 1h58m | Mon, Wed, Thu, Fri, Sat, Sun |
| United UAL1450 | 9:41a | 2h | Tue |
| United UAL1450 | 9:49a | 1h59m | Mon, Wed, Fri, Sat, Sun |
| Frontier FFT3227 | 10:30a | 2h4m | Mon, Tue, Fri, Sun |
| United UAL2787 | 10:40a | 1h59m | Mon, Sat, Sun |
| Frontier FFT3227 | 10:44a | 2h | Wed, Sat |
| United UAL2787 | 10:48a | 1h53m | Wed, Fri |
| United UAL2787 | 11:00a | 2h | Tue |
| United UAL1450 | 11:09a | 2h20m | Thu |
| United UAL2787 | 11:33a | 2h45m | Thu |
| Frontier FFT3227 | 12:00p | 2h31m | Thu |
| United UAL2168 | 12:43p | 1h59m | Tue, Sat |
| United UAL2168 | 12:50p | 1h54m | Mon, Wed, Fri, Sun |
| United UAL2168 | 1:50p | 2h30m | Thu |
| United UAL2767 | 3:11p | 2h12m | Sat |
| United UAL2767 | 3:16p | 1h54m | Mon–Tue |
| United UAL2767 | 3:28p | 1h58m | Sun |
| United UAL2767 | 3:55p | 1h50m | Wed |
| United UAL2767 | 4:08p | 2h24m | Thu |
| United UAL470 | 4:41p | 1h58m | Sat–Sun |
| United UAL470 | 4:53p | 1h54m | Tue |
| United UAL470 | 5:12p | 2h23m | Mon |
| United UAL470 | 5:19p | 2h34m | Fri |
| United UAL470 | 5:36p | 2h42m | Thu |
| United UAL1654 | 6:26p | 1h57m | Mon–Tue |
| United UAL470 | 6:37p | 1h52m | Wed |
| United UAL1654 | 6:39p | 2h2m | Sat–Sun |
| United UAL1654 | 6:57p | 2h23m | Wed |
| United UAL1654 | 7:23p | 2h32m | Thu |
| United UAL685 | 8:42p | 1h55m | Tue, Wed, Sat |
| United UAL685 | 8:52p | 2h21m | Fri |
| United UAL685 | 8:57p | 2h1m | Mon, Sun |
| United UAL1654 | 8:58p | 2h23m | Fri |
| United UAL685 | 10:05p | 2h3m | Thu |
| Frontier FFT3205 | 10:35p | 2h1m | Mon |
| Frontier FFT3205 | 11:12p | 2h4m | Thu, Sun |
| Frontier FFT3205 | 11:27p | 1h55m | Fri |
UnitedThe route
One hop: IAH → DENDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Denver (DEN)
George Bush Intercontinental Airport (IAH) has 94 nonstop flights a week to Denver (DEN), operated by Frontier and United. No layovers, no connections — one hop out of IAH and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to Denver?
The nonstop flight from Houston (IAH) to Denver (DEN) takes about 2h1m in the air, based on recently observed nonstop departures.