Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2015-09-05 | Black Hills State | 0 | Idaho State | 55 | Final | W | 55 |
| 2 | 2015-09-12 | Portland State | 34 | Idaho State | 14 | Final | L | -20 |
| 3 | 2015-09-18 | Idaho State | 0 | Boise State | 52 | Final | L | -52 |
| 4 | 2015-09-26 | Idaho State | 8 | UNLV | 80 | Final | L | -72 |
| 5 | 2015-10-03 | Idaho State | 26 | Cal Poly | 58 | Final | L | -32 |
| 6 | 2015-10-10 | Idaho State | 37 | North Dakota | 31 | Final | W | 6 |
| 7 | 2015-10-17 | Eastern Washington | 45 | Idaho State | 28 | Final | L | -17 |
| 8 | 2015-10-24 | Idaho State | 13 | Sacramento State | 38 | Final | L | -25 |
| 9 | 2015-11-07 | Montana | 33 | Idaho State | 27 | Final/OT | L | -6 |
| 10 | 2015-11-14 | Montana State | 44 | Idaho State | 20 | Final | L | -24 |
| 11 | 2015-11-21 | Idaho State | 14 | Weber State | 35 | Final | L | -21 |