This coupon has expired $2.50 for Similac® Infant Formula. Offer available at Walmart. expires on 09/29/17 Other coupons you may be interested in $1.00 for Sangria Senorial (expiring on Monday, 01/02/2023). Offer available at multiple stores. $1.00 for Jarritos (expiring on Monday, 01/02/2023). Offer available at multiple stores.