50¢ off ONE Kellogg’s Corn Flakes Cereal Posted by Port Authority on 7 August 2017, 7:42 pm Tweet expired The Coupon Expires 30 days from print (Print limit is two) (The coupon states limit of four like coupons in the same shopping trip) Click here to print 50¢ off ONE Kellogg’s Corn Flakes Cereal (12oz or larger any flavor)