Purchase Insomniac x Tomorrowland: UNITY tickets for Sphere in Las Vegas, NV, scheduled for Sat, Oct 18, 2025 11:15 pm. With 2444 tickets up for grabs, priced between $133.00 to $4758.00 and an average price of $445.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.