Doing a little last minute Halloween shopping? Head over to Kmart and check out some of the Halloween deals! Get up to 50% off Halloween costumes right now, 50% off Halloween tees, and great discounts on Halloween and harvest decor! You can also get an additional 10% off select Halloween items with the code KBOO. If you’re a Shop Your Way Rewards member, you can also get $5 in points back with a $25 purchase of select Halloween costumes, decor, and candy.