Outsiders Festival Helsinki 2026 returns bigger than ever on June 6th in Helsinki, Finland. After a near sold-out debut, the festival expands to 2,200 attendees with a powerful stage, cutting-edge visuals, and a curated lineup featuring Aaron Hibel, Yotto, Rezident, and Jesabel. Expect melodic techno, progressive house, and Afro house in a premium open-air summer setting.