The Oddball Comedy and Curiosity Festival kicks off Aug. 23 in Austin, Texas. Flight of the Conchords, Hannibal Buress, Kristen Schaal and Al Madrigal. The 13-date, two-stage tour concludes Sept. 22 in Phoenix.
The event marks Chappelle's most substantial return to the comedy stage. He has largely avoided comedy and public life since abruptly leaving his hit Comedy Central series, "Chappelle's Show," in 2005.
The 39-year-old Chappelle has occasionally performed impromptu sets in comedy clubs.
For more information on the tour, visit funnyordie.com/oddball.
The Associated Press contributed to this report.