Below you can find the flight schedule for Houston to Denver for May. If you are looking for flight fares, please check the cheap flights Houston to Denver, or you can use the search form at the top.
| Airline | Flight number | Departure | Arrival | Flight time |
| Austrian Airlines | OS2076 | 08:35 | 10:09 | 2h 34m |
| Austrian Airlines | OS1627 | 18:15 | 19:45 | 2h 30m |
| Brussels Airlines | SN2226 | 05:30 | 06:58 | 2h 28m |
| Brussels Airlines | SN2016 | 20:00 | 21:30 | 2h 30m |
| Frontier Airlines | F9245 | 06:00 | 07:33 | 2h 33m |
| Frontier Airlines | F9243 | 14:40 | 16:18 | 2h 38m |
| Lufthansa | LH2016 | 11:30 | 12:40 | 2h 10m |
| Lufthansa | LH1590 | 14:09 | 17:00 | 3h 51m |
| Southwest Airlines | WN2359 | 09:05 | 10:30 | 2h 25m |
| Southwest Airlines | WN3022 | 13:25 | 14:45 | 2h 20m |
| Southwest Airlines | WN5076 | 17:00 | 18:45 | 2h 45m |
| Spirit Airlines | NK391 | 07:00 | 09:45 | 3h 45m |
| Spirit Airlines | NK624 | 15:35 | 17:04 | 2h 29m |
| Swiss Int Air Lines | LX2106 | 07:30 | 08:56 | 2h 26m |
| Swiss Int Air Lines | LX1590 | 16:20 | 17:54 | 2h 34m |
| Swiss Int Air Lines | LX2016 | 19:40 | 21:30 | 2h 50m |
| Swiss Int Air Lines | LX302 | 21:55 | 23:27 | 2h 32m |
| United Airlines | UA1780 | 05:44 | 07:36 | 2h 52m |
| United Airlines | UA245 | 06:00 | 07:19 | 2h 19m |
| United Airlines | UA2147 | 06:00 | 09:03 | 4h 3m |
| United Airlines | UA2229 | 06:00 | 08:44 | 3h 44m |
| United Airlines | UA1811 | 07:50 | 11:20 | 4h 30m |
| United Airlines | UA1590 | 08:29 | 11:11 | 3h 42m |
| United Airlines | UA2197 | 09:35 | 12:12 | 3h 37m |
| United Airlines | UA763 | 09:47 | 13:14 | 4h 27m |
| United Airlines | UA421 | 10:08 | 11:35 | 2h 27m |
| United Airlines | UA1515 | 10:45 | 12:17 | 2h 32m |
| United Airlines | UA2641 | 11:15 | 13:07 | 2h 52m |
| United Airlines | UA1493 | 11:55 | 13:30 | 2h 35m |
| United Airlines | UA1268 | 14:00 | 16:27 | 3h 27m |
| United Airlines | UA1609 | 14:35 | 16:12 | 2h 37m |
| United Airlines | UA329 | 14:56 | 16:33 | 2h 37m |
| United Airlines | UA2016 | 14:58 | 20:50 | 6h 52m |
| United Airlines | UA2206 | 15:59 | 18:47 | 3h 48m |
| United Airlines | UA1690 | 18:05 | 19:36 | 2h 31m |
| United Airlines | UA437 | 18:05 | 19:40 | 2h 35m |
| United Airlines | UA1673 | 19:40 | 21:15 | 2h 35m |
| United Airlines | UA1302 | 20:20 | 22:00 | 2h 40m |
Cheap flights Houston to Denver.
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