| Date | Location | Result | |
| Nov 15, 2018 | Greeley, Colo. | Northern Colorado 3, Portland State 1 (25-16,17-25,25-21,25-18) | Box score |
| Nov 13, 2018 | Portland, Ore. | Sacramento State 3, Portland State 0 (25-19,25-19,25-15) | Box score |
| Nov 10, 2018 | Ogden, Utah | Weber State 3, Portland State 0 (25-14,26-24,25-12) | Box score |
| Nov 08, 2018 | Pocatello, Idaho | Idaho State 3, Portland State 0 (25-17,25-17,25-17) | Box score |
| Nov 03, 2018 | Portland, Ore. | Portland State 3, Eastern Washington 1 (18-25,25-17,25-12,25-23) | Box score |
| Nov 01, 2018 | Portland, Ore. | Idaho 3, Portland State 1 (23-25,25-16,25-15,28-26) | Box score |
| Oct 27, 2018 | Flagstaff, Ariz. | Northern Arizona 3, Portland State 0 (25-15,25-20,28-26) | Box score |
| Oct 25, 2018 | Cedar City, Utah | Portland State 3, Southern Utah 0 (25-23,26-24,25-17) | Box score |
| Oct 20, 2018 | Portland, Ore. | Montana State 3, Portland State 0 (25-23,25-23,25-22) | Box score |
| Oct 18, 2018 | Portland, Ore. | Portland State 3, Montana 0 (25-23,25-21,25-20) | Box score |
| Oct 13, 2018 | Portland, Ore. | Idaho State 3, Portland State 2 (21-25,25-13,25-27,25-21,15-11) | Box score |
| Oct 11, 2018 | Portland, Ore. | Weber State 3, Portland State 2 (21-25,25-15,25-20,18-25,15-10) | Box score |
| Oct 06, 2018 | Moscow, Idaho | Idaho 3, Portland State 0 (25-18,25-16,25-17) | Box score |
| Oct 04, 2018 | Cheney, Wash. | Portland State 3, Eastern Washington 2 (20-25,25-21,21-25,25-14,15-11) | Box score |
| Sep 29, 2018 | Portland, Ore. | Southern Utah 3, Portland State 1 (18-25,26-24,25-22,25-23) | Box score |
| Sep 27, 2018 | Portland, Ore. | Northern Arizona 3, Portland State 0 (25-13,25-20,25-14) | Box score |
| Sep 22, 2018 | Missoula, Mont. | Montana 3, Portland State 0 (25-16,25-19,25-20) | Box score |
| Sep 20, 2018 | Bozeman, Mont. | Montana State 3, Portland State 2 (25-12,17-25,23-25,26-24,15-12) | Box score |
| Sep 15, 2018 | Boulder, Colo. | Indiana State 3, Portland State 1 (25-17,21-25,27-25,25-23) | Box score |
| Sep 15, 2018 | Boulder, Colo. | Colorado State 3, Portland State 0 (25-17,28-26,25-11) | Box score |
| Sep 14, 2018 | Boulder, Colo. | Colorado 3, Portland State 0 (25-11,25-16,25-19) | Box score |
| Sep 08, 2018 | Portland, Ore. | Gonzaga 3, Portland State 0 (25-11,25-10,25-20) | Box score |
| Sep 07, 2018 | Portland, Ore. | California 3, Portland State 2 (28-30,25-22,25-11,21-25,15-11) | Box score |
| Sep 07, 2018 | Portland, Ore. | Fresno State 3, Portland State 0 (25-17,25-12,26-24) | Box score |
| Sep 01, 2018 | Portland, Ore. | UC Davis 3, Portland State 0 (25-12,25-20,25-20) | Box score |
| Aug 31, 2018 | Portland, Ore. | Oregon State 3, Portland State 0 (25-14,25-22,25-21) | Box score |
| Aug 28, 2018 | Eugene, Ore. | Oregon 3, Portland State 0 (25-15,25-10,25-13) | Box score |
| Aug 25, 2018 | Portland, Ore. | Long Beach State 3, Portland State 1 (25-22,25-18,11-25,25-20) | Box score |
| Aug 25, 2018 | Portland, Ore. | Boise State 3, Portland State 1 (25-20,20-25,27-25,25-12) | Box score |
| Aug 24, 2018 | Portland, Ore. | Portland State 3, Long Beach State 0 (25-23,25-23,25-15) | Box score |