| Date | Opponent | Time/TV | Tickets | |
| Tue Oct 30, 2018 |  | Western New Mexico Mustangs McKale Center, Tucson, AZ | 7:00 PM MST PAC-12 Network | Won 95-44 |
| Sun Nov 4, 2018 |  | Chaminade Silverswords McKale Center, Tucson, AZ | 7:00 PM MST PAC-12 Network | Won 75-64 |
| Wed Nov 7, 2018 |  | Houston Baptist Huskies McKale Center, Tucson, AZ | 7:00 PM MST PAC-12 Network | Won 90-60 |
| Sun Nov 11, 2018 |  | Cal Poly Mustangs McKale Center, Tucson, AZ | 3:00 PM MST PAC-12 Network | Won 82-61 |
| Wed Nov 14, 2018 |  | UTEP Miners McKale Center, Tucson, AZ | 6:00 PM MST PAC-12 Network | Won 79-46 |
| Nov 19-21, 2018 |  | Maui Jim Maui Invitational Basketball Tournament Lahaina Civic Center, Lahaina, HI | Times Vary ESPN ESPN2 | – |
| Mon Nov 19, 2018 |  | Iowa State Cyclones Lahaina Civic Center, Lahaina, HI | – ESPN ESPN2 | Won 71-66 |
| Tue Nov 20, 2018 |  | Gonzaga Bulldogs Lahaina Civic Center, Lahaina, HI | – ESPN ESPN2 | Lost 91-74 |
| Wed Nov 21, 2018 |  | Auburn Tigers Lahaina Civic Center, Lahaina, HI | – ESPN ESPN2 | Lost 73-57 |
| Thu Nov 29, 2018 |  | Georgia Southern Eagles McKale Center, Tucson, AZ | 7:00 PM MST PAC-12 Network | Won 100-70 |
| Sun Dec 2, 2018 |  | UConn Huskies XL Center, Hartford, CT | 11:00 AM MST ESPN2 | Won 76-72 |
| Thu Dec 6, 2018 |  | Utah Valley State Wolverines McKale Center, Tucson, AZ | 7:00 PM MST PAC-12 Network | Won 80-69 |
| Sun Dec 9, 2018 |  | Alabama Crimson Tide Coleman Coliseum, Tuscaloosa, AL | 11:00 AM MST ESPN | Lost 76-73 |
| Sat Dec 15, 2018 |  | Baylor Bears McKale Center, Tucson, AZ | 9:00 PM MST ESPN2 | Lost 58-49 |
| Wed Dec 19, 2018 |  | Montana Grizzlies McKale Center, Tucson, AZ | 6:30 PM MST PAC-12 Network | Won 61-42 |
| Sat Dec 22, 2018 |  | UC Davis Aggies McKale Center, Tucson, AZ | 5:00 PM MST PAC-12 Network | Won 70-68 |
| Thu Jan 3, 2019 |  | Colorado Buffaloes McKale Center, Tucson, AZ | 7:00 PM MST FS1 | Won 64-56 |
| Sat Jan 5, 2019 |  | Utah Utes McKale Center, Tucson, AZ | 12:00 PM MST PAC-12 Network | Won 84-81 OT |
| Wed Jan 9, 2019 |  | Stanford Cardinal Maples Pavilion, Stanford, CA | 9:00 PM MST PAC-12 Network | Won 75-70 |
| Sat Jan 12, 2019 |  | California Golden Bears Haas Pavilion, Berkeley, CA | 8:30 PM MST PAC-12 Network | Won 87-65 |
| Thu Jan 17, 2019 |  | Oregon Ducks McKale Center, Tucson, AZ | 7:00 PM MST ESPN or ESPN2 | Lost 59-54 |
| Sat Jan 19, 2019 |  | Oregon State Beavers McKale Center, Tucson, AZ | 5:00 PM MST PAC-12 Network | Won 82-71 |
| Thu Jan 24, 2019 |  | USC Trojans Galen Center, Los Angeles, CA | 7:00 PM MST FS1 | Lost 80-57 |
| Sat Jan 26, 2019 |  | UCLA Bruins Pauley Pavilion, Los Angeles, CA | 8:00 PM MST ESPN2 | Lost 90-69 |
| Thu Jan 31, 2019 |  | Arizona State Sun Devils Wells Fargo Arena, Tempe, AZ | 7:00 PM MST ESPN or ESPN2 | Lost 95-88 OT |
| Thu Feb 7, 2019 |  | Washington Huskies McKale Center, Tucson, AZ | 7:00 PM MST ESPN or ESPN2 | Lost 67-60 |
| Sat Feb 9, 2019 |  | Washington State Cougars McKale Center, Tucson, AZ | 5:30 PM MST PAC-12 Network | Lost 69-55 |
| Thu Feb 14, 2019 | | Utah Utes Jon M. Huntsman Center, Salt Lake City, UT | 7:00 PM MST ESPNU or ESPN2 | Lost 83-76 |
| Sun Feb 17, 2019 | | Colorado Buffaloes CU Events Center, Boulder, CO | 6:00 PM MST ESPNU | Lost 67-60 |
| Thu Feb 21, 2019 | | California Golden Bears McKale Center, Tucson, AZ | 7:00 PM MST FS1 | Won 76-51 |
| Sun Feb 24, 2019 | | Stanford Cardinal McKale Center, Tucson, AZ | 6:00 PM MST ESPNU | Won 70-54 |
| Thu Feb 28, 2019 | | Oregon State Beavers Gill Coliseum, Corvallis, OR | 7:00 PM MST FS1 | Won 74-72 |
| Sat Mar 2, 2019 | | Oregon Ducks Matthew Knight Arena, Eugene, OR | 8:00 PM MST ESPN2 | Lost 73-47 |
| Sat Mar 9, 2019 | | Arizona State Sun Devils McKale Center, Tucson, AZ | 2:00 PM MST CBS | Lost 72-64 |
