Summerfest 2025 Dates. The festival drew 555,925 attendees in 2024, down from 624,407 in 2023. Your tickets will be available to print or download beginning 48 hours from the start of the event.
The 2025 summerfest lineup continues to roll out, and on monday, the festival added another big name to the bmo pavilion lineup. Festival tickets and passes are not valid for admission to american family.