Langan came through the
Greenock Morton youth academy, to rise to become the captain of the successful under-20 side He made his first-team debut in a
Scottish League Cup tie against
Edinburgh City in July 2017. In late September 2018, Langan and team-mate
Lewis Strapp joined
Annan Athletic on a short-term development loan. Langan signed for
Falkirk in March 2019, leaving in the summer without making a senior appearance and teaming up with his former manager at
Greenock Morton,
Jim Duffy at
Scottish League One club
Dumbarton scoring his first goal in senior football in a 3-2 victory against
Peterhead in August 2019. After playing 28 times in his first season with the club, he extended his deal for another season in July 2020. Langan left the club in May 2021 and joined
League Two side
Stranraer. ==Honours==