ABC The performers for the American Idol season finale next week have been revealed! Idol's 24th season will come to an end on Monday, May 11 with a three-hour finale airing on ABC. There are three contestants remaining as we head into the finale and they'll be mentored by Grammy winner Alicia Keys, who is also set to perform on the episode. There are going to be so many more performers hitting the stage throughout the night as well.