Top Maternity Dress Deals Discover a variety of maternity dress deals from Amazon. Dresses from our maternity dress deals are so pretty that you will want to wear them all through your pregnancy and beyond. The styles in our maternity dress deal are perfect for casual to dressy occasions. A maternity dress on sale from this collection is a great choice for work because it is comfortable all day long. Find maternity dresses on sale with tank tops, gathered fronts, maxi lengths and other designer looks. Add a jacket to any of the dresses from our maternity dresses sale and enjoy the versatility of these beautiful fashions.