On July 2, 3 & 4, Burger King will be offering their Original Chicken Sandwich for $1.04 to celebrate the Fourth of July. Nothing in this promotion mentions a limit, so purchase as many as you'd like. On July 2, 3 & 4, Burger King will be offering their Original Chicken Sandwich for $1.04 to celebrate the Fourth of July. Nothing in this promotion mentions a limit, so purchase as many as you'd like. 