LONG PROM DRESSES, LONG FORMAL DRESSES, AND LONG PROM GOWNS

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 Floor Length Strapless Dress at PromGirl
  • Electric Blue
  • Neon Salmon

Long Strapless Casual Dress

$49.00 $19.00 CT-9500M64D
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Multi

Long Sleeveless Chevron Print Dress

$29.00 $19.00 EM-CCX-1571-438
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Lime

Long Sleeveless Chevron Print Dress

$49.00 $19.00 EM-CFA-1472
In Stock Buy Strapless Glitter Peplum Dress at PromGirl
  • Coral

Strapless Glitter Peplum Dress

$129.00 $29.00 EM-CHL-1023-680
In Stock Buy Floor Length Spaghetti Strap Dress at PromGirl
  • Black

Floor Length Spaghetti Strap Dress

$49.00 $29.00 JU-47244
In Stock Buy Strapless Print Pantsuit at PromGirl
  • Ivory

Strapless Print Pantsuit

$39.00 TR-P50047
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Deep Blue Ocean

Long Strapless Blue Dress for Prom

$99.00 $49.00 CT-8420NN3E
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Ivory

One Shoulder Floor Length Dress

$149.00 $49.00 MY-3725SK1N
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Royal Blue
  • Watermelon
  • Banana

One Shoulder Prom Gown by Ruby Rox

$99.00 $49.00 RR-CGX2207i
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Turquoise

Strapless Turquoise Blue Prom Dress

$189.00 $49.00 SS-X26641TD9
In Stock Buy Long Sleeveless Empire Waist Dress at PromGirl
  • Blue

Long Sleeveless Empire Waist Prom Dress

$99.00 $49.00 MY-6661ix1n
In Stock Buy Floor Length High Neck Prom Dress at PromGirl
  • Black
  • Beige
  • Coral
  • Teal

Floor Length High Neck Prom Dress

$99.00 $49.00 LP-22849
In Stock Buy Classic Long Strapless Sweetheart Gown at PromGirl
  • Plum
  • Royal

Classic Long Strapless Gown

$99.00 $50.00 PO-5986
Buy Floor Length Sleeveless La Femme Prom Dress at PromGirl
  • Gold

Gold Dress by La Femme 13191

$378.00 $58.00 LF-13191
In Stock Buy Floor Length One Shoulder Dress at PromGirl
  • Gunmetal

Floor Length One Shoulder Dress

$149.00 $59.00 MQ-808888
* 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.