He was named to the 2017–18 preseason All-Big East second team. Bridges hit all six 3-point tries in a 24-point performance against Lafayette on November 17. On December 4, he scored a career-high 28 points to go with six rebounds and two blocks in an 88–72 victory over Gonzaga. Bridges scored 23 points in an overtime win against Seton Hall on March 2, 2018. At the conclusion of the regular season, he joined Jalen Brunson on the All-Big East first team. He was named MVP of the Big East tournament after scoring 28 points in the title game, a 76–66 overtime win over Providence.
