Chicago Open Air 2017: SINGLE DAY FIELD TICKETS AVAILABLE NOW!!! March 22, 2017 Robert Chadwick Concerts, Festival Reviews, Upcoming Festivals Comments Off on Chicago Open Air 2017: SINGLE DAY FIELD TICKETS AVAILABLE NOW!!! Only able to catch Ozzy, KISS, or Korn? Single day GA field tickets are now available. Click below to purchase on the day you’d like to attend. Friday Field Tickets Saturday Field Tickets Sunday Field Tickets Already have your tickets? We’ve got special fan-only hotel rates to make sure you’ve got the perfect place to crash after the show. Curadora Rock On!