Purchase Under The Big Sky Music Festival: Miranda Lambert, Billy Strings & Turnpike Troubadours - 3 Day Pass tickets for The Barns at Big Mountain Ranch in Whitefish, MT, scheduled for Fri, Jul 12, 2024 TBA. With 94 tickets up for grabs, priced between $314.00 to $2468.00 and an average price of $981.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.