Find out who's in the lineup, how to get tickets, and who's going! Freaky Deaky is an electronic music festival in Chcago that's the biggest Halloween event in the midwest. Check it out for a freakishly good time. The expected but unconfirmed Freaky Deaky 2017 dates are October 27 - 29. CHECK OUT THE FESTIVAL: * This is an unofficial event listing. Spacelab is a festival guide that lists events to bring the festival community together for rideshares, exchanging news and more.