| 9/1/2018 | Western New Mexico (0-10) | 9 | at | San Diego | 38 | LSC (D2) | ||
| 9/8/2018 | San Diego | 21 | at | UC Davis (10-3) | 54 | at BSky | ||
| 9/15/2018 | San Diego | 14 | at | Harvard (6-4) | 36 | at Ivy | ||
| 9/29/2018 | Stetson (8-2,6-2) | 10 | at | San Diego | 49 | |||
| 10/6/2018 | San Diego | 51 | at | Morehead State (3-8,2-6) | 34 | |||
| 10/13/2018 | Dayton (6-5,5-3) | 34 | at | San Diego | 36 | |||
| 10/20/2018 | San Diego | 42 | at | Butler (4-7,2-6) | 13 | |||
| 10/27/2018 | Jacksonville (2-8,1-7) | 35 | at | San Diego | 59 | |||
| 11/3/2018 | San Diego | 27 | at | Drake (7-4,6-2) | 10 | |||
| 11/10/2018 | Davidson (6-5,3-5) | 52 | at | San Diego | 56 | |||
| 11/17/2018 | San Diego | 31 | at | Marist (5-6,5-3) | 14 | |||
| 11/24/2018 | San Diego | 30 | at | Nicholls State (9-4) | 49 | at SLC |
| vs San Diego | vs Other Opponents | San Diego compared to OOs | |
| Record: | 3-9 | 63-57 | |
| Points Scored: | 29.17 | 31.22 | 2.05 |
| Points Allowed: | 37.83 | 30.17 | 7.66 |
| Margin: | -8.66 | 1.05 | 9.71 |
| Total Points: | 67.00 | 61.39 | 5.61 |