Browse our large selection of elegant long prom dresses, and find the perfect long formal dresses for your prom. At PromGirl you will find many long prom dresses and gowns from the top formal dress designers and manufacturers.  A long dress makes an elegant statement at any formal event whether it is prom, a formal dance, or wedding. Shop our huge selection of long dresses, and you will find long elegant dresses priced to fit every budget. Whatever the event you are looking for, we have your perfect long dress.

In Stock Buy Long Print Popover Maxi Dress by Speechless at PromGirl
  • White/Blue

Long Print Popover Maxi Dress by Speechless

$29.00 $19.00 SS-JA75742C130
In Stock Buy Strapless Glitter Peplum Dress at PromGirl
  • Coral

Coral Glitter Peplum Dress

$129.00 $29.00 EM-CHL-1023-680
In Stock Buy Floor Length Strapless Empire Waist Dress at PromGirl
  • Light Yellow

Long Strapless Yellow Dress

$199.00 $29.00 SS-X28751TNY
In Stock Buy Floor Length Floral Chiffon Dress at PromGirl
  • Pink

Long Print Prom Dress in Pink

$79.00 $39.00 MB-6595
In Stock Buy DQ-8073-v at PromGirl
  • Purple

Empire Waist Long Strapless Dress

$99.00 $49.00 DQ-8073-v
In Stock Buy DQ-8747-v at PromGirl
  • Coral
  • Ivory

Long Strapless Prom Dress

$99.00 $49.00 DQ-8747-v
In Stock Buy TW-4116 at PromGirl
  • Jade
  • Purple

Purple All Over Lace Long Prom Dress

$99.00 $49.00 TW-4116-v
In Stock Buy Long One Shoulder Prom Dress at PromGirl
  • Black/White

Long One Shoulder Prom Dress

$89.00 $49.00 DQ-9030
In Stock Buy One Shoulder Formal Dress at PromGirl
  • Purple
  • Navy

One Shoulder Backless Evening Gown

$199.00 $49.00 DQ-8079
* Products with an "in stock" banner have at least some size and color combinations ready to ship immediately. Available sizes and colors may be limited due to seasonality. Please read our complete availability policy for more information.