Providence closed out a 65-58 victory Saturday night, and Creighton's dreams of winning a conference title in its first Big East season were over.
Bryce Cotton scored 23 points for Providence, which won its only other Big East tournament title in 1994.
The fourth-seeded Friars (23-11) put forth a great defensive effort, using a 2-3 zone to stall the second-seeded Bluejays and hold them 24 points below their season average.
Doug McDermott finished 10 for 19 from the field, including 5 of 12 from 3-point range, for 27 points.