ICON only sells tickets for its biggest events. Most other events are entry at door or guestlist to be admitted.
Tickets generally range between 40-80 dollars. Expect to pay more for bigger name DJs and bigger events.
Cover at the door usually starts at $30-40 so if you definitely want to attend we would recommend buying tickets.
Ticket holders get quicker, expedited admission as well.
You can buy tickets at on the Discotech Webapp.