The Gaels (8-2), who improved to 7-0 at home, had eight points and seven assists from guard Mickey McConnell.
Jones, a transfer from San Diego, set his scoring high as a Gael. He scored 27 against Loyola Marymount as a freshman for San Diego.
Jones shot 9-for-15 from the field and 6-for-9 from 3-point range. Dellavedova was 9 of 17 from the field and 5 of 10 from long range while dishing out seven assists.
Leading just 41-35 with under 14 minutes left, the Gaels went on a 22-5 run, jumping their lead to a commanding 63-40.