| 09/03/05 | at | Colorado | 28-31 |
| 09/10/05 | at | Minnesota | 24-56 |
| 09/24/05 | hosting | Nevada | 42-21 |
| 09/29/05 | hosting | Air Force | 41-23 |
| 10/08/05 | hosting | Utah | 21-17 |
| 10/15/05 | at | Brigham Young | 14-24 |
| 10/22/05 | hosting | Wyoming | 39-31 |
| 10/28/05 | at | New Mexico | 35-25 |
| 11/05/05 | at | TCU | 6-33 |
| 11/12/05 | hosting | San Diego State | 10-30 |
| 11/19/05 | at | UNLV | 31-27 |
| 12/22/05 | vs. | Navy | 30-51 |