"Red 11" had its world premiere at the 2019 SXSW festival on March 15, 2019, where it was nominated for the Adam Yauch Hörnblowér Award. It also premiered at the 2019 Cannes Film Festival on May 21, 2019, the Overlook Film Festival on May 31, 2019, and the Strasbourg European Fantastic Film Festival on September 14, 2019. The film was scheduled to be released in 2020 on the streaming service Tubi in the United States, but was delayed for undisclosed reasons.