Four Boxes of Captain Crunch for as low as $8.89 Shipped! September 8, 2018 Coupon Caroline Amazon, Food 1 This post may contain affiliate links or sponsored content. See Disclosure Policy. Who needs cereal? Check out this deal on Captain Crunch! You can grab a 4-ct box for a slow as $8.89 when you choose Subscribe and Save and clip the $3 off coupon!