Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2018-09-01 | Idaho (120) | 13 | Fresno State (37) | 79 | Final | L | -66 |
| 2 | 2018-09-08 | Western New Mexico | 10 | Idaho | 56 | Final | W | 46 |
| 3 | 2018-09-22 | Idaho | 21 | UC-Davis | 44 | Final | L | -23 |
| 4 | 2018-09-29 | Portland State (218) | 7 | Idaho (211) | 20 | Final | W | 13 |
| 5 | 2018-10-06 | Idaho (193) | 28 | Idaho State (147) | 62 | Final | L | -34 |
| 6 | 2018-10-13 | Idaho (194) | 23 | Montana State (170) | 24 | Final | L | -1 |
| 7 | 2018-10-20 | Southern Utah (223) | 12 | Idaho (207) | 31 | Final | W | 19 |
| 8 | 2018-10-27 | Idaho (197) | 14 | Eastern Washington (140) | 38 | Final | L | -24 |
| 9 | 2018-11-03 | North Dakota (157) | 27 | Idaho (204) | 31 | Final | W | 4 |
| 10 | 2018-11-10 | Montana (174) | 46 | Idaho (186) | 27 | Final | L | -19 |
| 11 | 2018-11-17 | Idaho (202) | 10 | Florida (12) | 63 | Final | L | -53 |