11.5 oz Hellmann’s Mayo for $1.98 at Walmart! Normally $2.98 Posted by Harbor Master on 11 November 2017, 3:20 pm Tweet Walmart sells 11.5oz Hellmann’s Mayo for $2.98, everyday. Buy one for $2.98 and submit for $1 Cash Back from Check out 51. (Can be redeemed up to five times). Final price $1.98 Click here to submit for $1 Cash Back from Checkout 51 when you purchase Hellmann’s Mayonnaise 11.5oz or larger (Limit 5)