The average Prom Dress costs between $300-$399. Prom Dress shop has stunning 2015 Prom Dresses that won't break your budget! Make an unforgettable appearance in one of our strapless ball gowns or one shoulder short dresses. At Prom Dress Shop we understand that everyone has a different spending amount, so we make sure that there are beautiful Prom dresses in every budget! Order today and receive Free Shipping and No Tax!