Purchase Slipknot tickets for Outdoor Amphitheater At Ford Idaho Center in Nampa, ID, scheduled for Wed, Sep 11, 2024 7:00 pm. With 425 tickets up for grabs, priced between $66.00 to $788.00 and an average price of $174.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.