CapitalCityTickets.com carries a vast selection of Summerfest concert tickets at affordable prices. 2021 Summerfest is held at American Family Insurance Amphitheater in Milwaukee, WI. Summerfest is an annual music festival held at the 75-acre Henry Maier Festival Park along the lakefront in Milwaukee, WI. The festival lasts for 11 days, is made up of 11 … More Save on 2021 Summerfest Tickets with Justin Beiber, Halsey, Chris Stapleton, DMB, Luke Bryan, Blink-182, Khalid, Guns N’ Roses, and More