In the second half, Kansas boosted its lead to 21 points on three occasions and never let Fairfield cut the lead to less than 12 points.
For the game, KU was led by Kemp and junior Blair Waltz with 14 points apiece. Sophomore Tamara Ransburg and freshman Lauren Ervin each added 13 points while junior Larisha Graves and sophomore Erica Hallman chipped in 10 points each.
Kansas was led on the boards by Ervin and junior Aquanita Burras with eight rebounds. KU finished the contest shooting 53.1 percent from the field and outrebounded the Stags 39-37.
Fairfield had four players score in double figures led by Schrene Isidora and Ivana Podrug with 13 points apiece. The Stags shot 39.4 percent from the field.
Kansas next plays San Diego in Allen Fieldhouse on Jan. 3 at 2 p.m. The game will mark the Jayhawks' final non-conference game before opening the Big 12 season at home against Texas on Jan. 7.