Shop Prom Look for prom dresses by price. You can find inexpensive prom dresses under 100 and Prom Dresses in different price ranges. View our prom dresses under 100, between $100 and $200, between $200 and $300, between$300 and $400, between $400 and $500, and prom dresses over $500. With such a range of prices, you are sure to find your perfect prom dress at Prom Look.