| Date | Location | Result | |
| Nov 22, 2018 | Bakersfield, CA | Kansas City 3, Seattle University 0 (25-20,25-21,25-18) | Box score |
| Nov 17, 2018 | Seattle, WA | Seattle University 3, CSU Bakersfield 1 (23-25,25-13,25-18,25-20) | Box score |
| Nov 15, 2018 | Seattle, WA | Seattle University 3, Grand Canyon 2 (25-20,23-25,25-22,18-25,15-12) | Box score |
| Nov 10, 2018 | Kansas City, MO | Kansas City 3, Seattle University 0 (25-21,25-22,25-22) | Box score |
| Nov 08, 2018 | Chicago, IL | Chicago State 3, Seattle University 0 (25-14,29-27,26-24) | Box score |
| Nov 03, 2018 | Seattle, WA | UT Rio Grande Valley 3, Seattle University 0 (25-23,25-13,25-20) | Box score |
| Nov 01, 2018 | Seattle, WA | New Mexico State 3, Seattle University 0 (25-23,25-19,26-24) | Box score |
| Oct 27, 2018 | Phoenix, AZ | Seattle University 3, Grand Canyon 1 (20-25,25-16,25-20,25-20) | Box score |
| Oct 25, 2018 | Orem, UT | Utah Valley 3, Seattle University 1 (22-25,25-20,26-24,26-24) | Box score |
| Oct 20, 2018 | Riverside, CA | California Baptist 3, Seattle University 1 (13-25,25-14,28-26,25-21) | Box score |
| Oct 13, 2018 | Seattle, WA | Kansas City 3, Seattle University 0 (25-19,25-11,25-16) | Box score |
| Oct 11, 2018 | Seattle, WA | California Baptist 3, Seattle University 1 (25-17,25-18,13-25,26-24) | Box score |
| Oct 08, 2018 | Bakersfield, CA | CSU Bakersfield 3, Seattle University 2 (23-25,25-22,15-25,27-25,15-12) | Box score |
| Oct 04, 2018 | Seattle, WA | Utah Valley 3, Seattle University 2 (24-26,25-21,25-21,13-25,15-8) | Box score |
| Sep 29, 2018 | Edinburg, TX | UT Rio Grande Valley 3, Seattle University 0 (25-22,25-16,25-20) | Box score |
| Sep 27, 2018 | Las Cruces, NM | New Mexico State 3, Seattle University 1 (31-33,25-17,25-13,25-17) | Box score |
| Sep 22, 2018 | Seattle, WA | Seattle University 3, Chicago State 0 (25-19,25-16,27-25) | Box score |
| Sep 18, 2018 | Corvallis, OR | Oregon State 3, Seattle University 0 (25-16,25-16,25-19) | Box score |
| Sep 15, 2018 | Seattle, WA | Montana State 3, Seattle University 1 (25-22,18-25,25-18,25-23) | Box score |
| Sep 14, 2018 | Seattle, WA | Seattle University 3, Idaho State 2 (25-17,23-25,25-21,22-25,15-8) | Box score |
| Sep 14, 2018 | Seattle, WA | Seattle University 3, Tennessee Tech 0 (25-10,25-19,25-20) | Box score |
| Sep 08, 2018 | Sacramento, CA | Seattle University 3, Sacramento State 2 (25-20,21-25,23-25,25-23,15-13) | Box score |
| Sep 08, 2018 | Sacramento, CA | Nevada 3, Seattle University 0 (25-18,25-18,25-19) | Box score |
| Sep 07, 2018 | Sacramento, CA | Seattle University 3, UC Riverside 2 (21-25,25-22,25-19,23-25,15-10) | Box score |
| Sep 01, 2018 | Brookings, SD | Seattle University 3, Weber State 0 (25-14,25-15,25-22) | Box score |
| Aug 31, 2018 | Brookings, SD | Green Bay 3, Seattle University 0 (25-23,25-19,25-16) | Box score |
| Aug 30, 2018 | Brookings, SD | Seattle University 3, South Dakota State 0 (25-19,25-18,25-20) | Box score |
| Aug 28, 2018 | Long Beach, CA | Long Beach State 3, Seattle University 1 (25-17,25-18,19-25,25-18) | Box score |
| Aug 25, 2018 | San Diego, CA | San Diego State 3, Seattle University 2 (26-24,25-27,21-25,25-23,15-12) | Box score |
| Aug 24, 2018 | San Diego, CA | Seattle University 3, Campbell 0 (25-22,25-19,25-21) | Box score |