Flynn first played Gaelic football with Clooneen in the local parish leagues at the age of 14.
After serving his suspension he returned to playing with Clonguish and won a junior league-championship double in 1959.
[1] After emigrating to England shortly after these victories, Flynn continued to play Gaelic football after joining the Harps & Shamrocks club.
[4] Two years later, Flynn added a Leinster SFC medal to his collection after Longford claimed their first ever title.
Flynn brought his club career to an end after winning a Longford JFC medal with Rathcline at the age of 45 in 1984.