The 2018 Sun Belt conference football season began on August 30, 2018, and ended on November 24, 2018. It was a part of the 2018 season of the Football Bowl Subdivision (FBS), the top level of NCAA Division I football. The Sun Belt Conference Football Championship Game was played on December 1, 2018, with Appalachian State winning the inaugural game. The entire schedule was released on February 27.