Kmart Halloween Costumes Sale October 13, 2012 By Amee Leave a Comment Ready for Halloween? Shop now at Kmart Halloween Costumes Sale at Kmart! Over 4,000 to choose from plus FREE Shipping on Costumes $39.99 and over with code SPOOKYSHIP. Offer ends 10/18/12. You may also like:Meijer 30% off with Free Shipping on all Halloween costumes & accessoriesFree Shipping on Halloween CostumesPirate Costumes for as low as 99 cents!The Princess Dress $30 Worth of Costumes for just $15!