On July 2, 2015, Lafranchise continued his career in the AHL, signing a one-year deal with the Bridgeport Sound Tigers, affiliate of the New York Islanders of the National Hockey League (NHL).[3] In his second campaign with the Sound Tigers in 2016–17 season, he played his first full year in the AHL, setting career best marks with 5 goals, 16 assists and 21 points in 67 games.
On July 2, 2017, he was rewarded by signing his first NHL contract, in agreeing to a one-year, two-way deal with the Islanders.[4]
On September 10, 2018, Lafranchise announced his retirement.[5]