Dairy Queen: FREE Cone Day March 20th This post contains affiliate links which means that we may be compensated if you click a link and make a purchase.. March 19, 2019 by Karen-Kupon Girl Leave a Comment Dairy Queen Free Cone Day on March 20th The first day of spring is Wednesday, March 20 Scream! You scream! We all scream for ice cream! Visit a participating Dairy Queen during Free Cone Day and get a free small soft serve cone (vanilla ice-cream). Sign up for the latest Deals and get A Grocery Budget List + Pantry Checklist Printable!"We Respect Your Email Privacy"