Down 40-34 just over five minutes into the second half, Saint Joseph's went on a 10-0 run to open a 44-40 lead on a pair of Cloud free throws at 11:35. The Hawks, who went 4-of-7 from the field and 2-of-2 from the line during that stretch, held the Flyers to 0-for-3 from the field and caused three turnovers during that stretch.
Dayton (12-5, 5-1 A-10) would cut SJU's lead to one three times, but each time the Hawks answered back.
After having it's lead cut to 62-58 with 3:31 to play, Saint Joseph's got a layup from sophomore Sarah Fairbanks at 2:32 to make it six-point game.
Following a Dayton missed three-pointer, sophomore Ciara Andrews put the game out of reach with a three-pointer from the right wing to put the Hawks up 67-58 at 1:51. Saint Joseph's would make sure Dayton would get no closer as it hit 8-of-8 from the foul line in the final minute to improve to 13-11 all-time against the Flyers.
The Flyers took command off the tip, running out to a 24-13 advantage midway through the half, but the Hawks would race back with an 11-0 run to tie the game at 24 all on a pair of free throws by Cloud at 4:17.
Dayton's Ally Malott would hit a three-pointer to the Flyers up 32-29 at the break, despite both teams cold shooting performances as Dayton shot just 34.2 percent, while SJU was held to 31.4 percent.
For the game, the Hawks shot 40.3 percent overall (27-of-67), 35.3 percent from three-point range (6-of-17) and hit 15-of-18 from the foul line (83.3 percent). Saint Joseph's finished with a 47-42 edge in rebounding, and outscored the Flyers 10-2 on the fast break.
Individually, Andrews and senior Erin Shields each had 15 points apiece, while Fairbanks tallied 14 points off the bench.
At the other end, Dayton shot 33.8 percent overall (22-of-65), 37.5 percent from behind the arc (6-of-16) and 65 percent from the foul line (13-of-20). Andrea Hoover led three Flyers in double figures with 16 points.
Saint Joseph's returns to action Wednesday when it host Saint Louis at 7 p.m.