List of Sonic Stores in Flower Mound, TX Outlet Note Regular Brands Sonic Texas Flower Mound Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic outlet - Flower Mound 2541 Flower Mound Rd (972) 355-1110 Sonic outlet - Flower Mound 2925 Cross Timbers Rd (972) 355-9122 Sonic outlet - Flower Mound 6210 Morriss Rd (972) 691-1222 People Also Viewed