Score 1/2 Priced Burgers At Sonic 4/18! Giveaways, Sweeps/Instant Win To celebrate Tax Day, Sonic will be offering 1/2 priced cheeseburgers all day long Tuesday, April 18th! No coupon is needed. Visit Sonic’s website for details. Anything to Add? Leave a Comment! Follow Us On: Thrifty Momma Ramblings Facebook for more great tips for thrifty living! Tweet Pin It Related Posts Check Out What You Can Win In This Giveaway!!! Dial Stocking Stuffers Sweepstakes (Daily Winner) Get Your Dunk On With Oreos!! Tags:deals, fun, hot deal, Sonic, tax Leave a Reply Cancel replyYou must be logged in to post a comment.