| 9/3/2015 | Ohio (8-5) | 45 | at | Idaho | 28 | MAC | ||
| 9/12/2015 | Idaho | 9 | at | Southern California (8-6) | 59 | at P12 | ||
| 9/19/2015 | Wofford (5-6) | 38 | at | Idaho | 41 | SoCon (1AA) | ||
| 9/26/2015 | Georgia Southern (9-4,6-2) | 44 | at | Idaho | 20 | |||
| 10/3/2015 | Idaho | 35 | at | Arkansas State (9-4,8-0) | 49 | |||
| 10/17/2015 | Idaho | 19 | at | Troy (4-8,3-5) | 16 | |||
| 10/24/2015 | UL Monroe (2-11,1-7) | 13 | at | Idaho | 27 | |||
| 10/31/2015 | Idaho | 48 | at | New Mexico State (3-9,3-5) | 55 | OT | ||
| 11/7/2015 | Idaho | 45 | at | South Alabama (5-7,3-5) | 52 | |||
| 11/14/2015 | Appalachian State (11-2,7-1) | 47 | at | Idaho | 20 | |||
| 11/21/2015 | Idaho | 34 | at | Auburn (7-6) | 56 | at SEC | ||
| 11/28/2015 | Texas State (3-9,2-6) | 31 | at | Idaho | 38 |
| vs Idaho | vs Other Opponents | Idaho compared to OOs | |
| Record: | 8-4 | 66-73 | |
| Points Scored: | 42.08 | 28.88 | -13.20 |
| Points Allowed: | 30.33 | 30.12 | 0.21 |
| Margin: | 11.75 | -1.24 | -12.99 |
| Total Points: | 72.41 | 59.00 | 13.41 |