Below you can find the flight schedule for Denver to Chicago for May. If you are looking for flight fares, please check the cheap flights Denver to Chicago, or you can use the search form at the top.
| Airline | Flight number | Departure | Arrival | Flight time |
| Air Canada | AC502 | 07:45 | 10:24 | 1h 39m |
| Air Canada | AC336 | 11:10 | 14:41 | 2h 31m |
| Brussels Airlines | SN1709 | 16:29 | 19:53 | 2h 24m |
| Frontier Airlines | F9412 | 06:00 | 09:33 | 2h 33m |
| Frontier Airlines | F92210 | 08:11 | 11:38 | 2h 27m |
| Frontier Airlines | F9410 | 14:10 | 17:45 | 2h 35m |
| Frontier Airlines | F9878 | 14:30 | 17:49 | 2h 19m |
| Frontier Airlines | F93172 | 21:27 | 00:56 | 2h 29m |
| Lufthansa | LH306 | 07:00 | 09:20 | 1h 20m |
| Lufthansa | LH2385 | 09:44 | 13:14 | 2h 30m |
| Lufthansa | LH1505 | 13:55 | 19:35 | 4h 40m |
| Lufthansa | LH500 | 22:15 | 05:35 | 6h 20m |
| Southwest Airlines | WN3032 | 05:15 | 08:40 | 2h 25m |
| Spirit Airlines | NK2873 | 12:20 | 15:56 | 2h 36m |
| Swiss Int Air Lines | LX500 | 09:48 | 13:13 | 2h 25m |
| United Airlines | UA2329 | 05:15 | 08:48 | 2h 33m |
| United Airlines | UA254 | 06:00 | 09:21 | 2h 21m |
| United Airlines | UA532 | 06:00 | 09:29 | 2h 29m |
| United Airlines | UA320 | 06:00 | 08:17 | 1h 17m |
| United Airlines | UA686 | 06:09 | 07:26 | 17m |
| United Airlines | UA1938 | 06:30 | 08:56 | 1h 26m |
| United Airlines | UA1845 | 06:30 | 09:56 | 2h 26m |
| United Airlines | UA478 | 07:30 | 09:14 | 44m |
| United Airlines | UA1811 | 07:50 | 11:20 | 2h 30m |
| United Airlines | UA682 | 07:55 | 11:20 | 2h 25m |
| United Airlines | UA1156 | 08:00 | 09:46 | 46m |
| United Airlines | UA2078 | 08:15 | 09:20 | 5m |
| United Airlines | UA1484 | 08:30 | 15:57 | 6h 27m |
| United Airlines | UA640 | 08:35 | 12:34 | 2h 59m |
| United Airlines | UA1155 | 09:40 | 13:15 | 2h 35m |
| United Airlines | UA500 | 09:45 | 13:10 | 2h 25m |
| United Airlines | UA763 | 09:47 | 13:14 | 2h 27m |
| United Airlines | UA1898 | 10:00 | 12:58 | 1h 58m |
| United Airlines | UA1505 | 10:47 | 12:51 | 1h 4m |
| United Airlines | UA451 | 10:55 | 16:25 | 4h 30m |
| United Airlines | UA441 | 10:59 | 14:05 | 2h 6m |
| United Airlines | UA1697 | 11:00 | 12:46 | 46m |
| United Airlines | UA2385 | 11:15 | 14:34 | 2h 19m |
| United Airlines | UA2312 | 11:20 | 14:54 | 2h 34m |
| United Airlines | UA233 | 11:25 | 16:42 | 4h 17m |
| United Airlines | UA750 | 11:45 | 15:15 | 2h 30m |
| United Airlines | UA231 | 12:50 | 07:25 | 17h 35m |
| United Airlines | UA617 | 13:25 | 16:49 | 2h 24m |
| United Airlines | UA1259 | 13:27 | 16:59 | 2h 32m |
| United Airlines | UA568 | 14:30 | 16:49 | 1h 19m |
| United Airlines | UA306 | 15:09 | 16:59 | 50m |
| United Airlines | UA377 | 15:40 | 19:00 | 2h 20m |
| United Airlines | UA768 | 15:41 | 19:12 | 2h 31m |
| United Airlines | UA1397 | 18:55 | 22:20 | 2h 25m |
Cheap flights Denver to Chicago.
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