| 9/5/2015 | Kent State (3-9) | 3 | at | Illinois | 52 | MAC | ||
| 9/12/2015 | Western Illinois (7-6) | 0 | at | Illinois | 44 | MVC (1AA) | ||
| 9/19/2015 | Illinois | 14 | at | North Carolina (11-3) | 48 | at ACC | ||
| 9/26/2015 | Middle Tenn State (7-6) | 25 | at | Illinois | 27 | CUSA | ||
| 10/3/2015 | Nebraska (6-7,3-5) | 13 | at | Illinois | 14 | |||
| 10/10/2015 | Illinois | 20 | at | Iowa (12-2,8-1) | 29 | |||
| 10/24/2015 | Wisconsin (10-3,6-2) | 24 | at | Illinois | 13 | |||
| 10/31/2015 | Illinois | 0 | at | Penn State (7-6,4-4) | 39 | |||
| 11/7/2015 | Illinois | 48 | at | Purdue (2-10,1-7) | 14 | |||
| 11/14/2015 | Ohio State (12-1,7-1) | 28 | at | Illinois | 3 | |||
| 11/21/2015 | Illinois | 23 | at | Minnesota (6-7,2-6) | 32 | |||
| 11/28/2015 | Northwestern (10-3,6-2) | 24 | vs | Illinois | 14 | Chicago IL |
| vs Illinois | vs Other Opponents | Illinois compared to OOs | |
| Record: | 7-5 | 86-58 | |
| Points Scored: | 23.25 | 28.03 | 4.78 |
| Points Allowed: | 22.67 | 23.81 | -1.14 |
| Margin: | 0.58 | 4.22 | 3.64 |
| Total Points: | 45.92 | 51.84 | -5.92 |