Bowman's 3-pointer with 2:20 remaining put the Lancers (7-12) ahead to stay, 79-76, and after a steal by Carter, Bowman's layup made it a five-point lead with 1:45 left.
The Knights (1-16), who have lost 14 straight, pulled within a point, 84-83, after a 3-pointer by Bolding and a dunk by George Goode, but Bolding turned the ball over with 4 seconds left and Tristan Carey put the game out of reach for Longwood with two free throws.
Longwood started the second half with a 9-0 run to lead 46-33 before the Knights rallied behind Bolding and Goode, who finished with 19 points.
Bolding's total was the junior guard's career best and six points behind this season's Division I best of 44 by Creighton's Doug McDermott.
Four-star small forward Galen Alexander committed to LSU on Sunday over Marquette, TCU, Texas, North Carolina State and Arizona. Alexander, from nearby Lafayette, gives head coach Johnny Jones a huge in-state prize.
Porter Jr. was a lock for the Huskies after they hired his father as an assistant coach. The rangy wing gives Washington an instant matchup nightmare.
Michael Porter Jr., the No. 4 player in the Class of 2017, has committed to play at Washington -- where his godfather and father coach.