LaCombe attended Shattuck-Saint Mary's where he helped SSM win the 2016 USA Hockey Youth Tier I 14 U national championship.
[2][3] LaCombe began his collegiate career for the Minnesota Golden Gophers during the 2019–20 season.
[5][6][7] On April 10, 2023, LaCombe was signed by the Anaheim Ducks to a two-year, entry-level contract.
[8] On January 20, 2024, LaCombe scored his first NHL goal against the San Jose Sharks in a 3–5 loss.
[9] LaCombe represented the United States at the 2021 World Junior Ice Hockey Championships, where he recorded one assist in six games and won a gold medal.