Get your tickets to Horizon Music Festival - 2 Day Pass (6/21 - 6/22) (Alesso, The Chainsmokers, Gryffin, Sofi Tukker) today! We have a huge selection of Horizon Music Festival - 2 Day Pass (6/21 - 6/22) (Alesso, The Chainsmokers, Gryffin, Sofi Tukker) tickets with no service fees at Waterfront Park (San Diego). Plus, a 100% worry free guarantee!