Long Dresses Short Dresses

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 One Shoulder Casual Print Dress at PromGirl
  • Ivory/Royal

One Shoulder Casual Print Dress

$69.00 $19.00 CT-2631BM1D
In Stock Buy Floor Length Sleeveless Casual Dress at PromGirl
  • Red

Floor Length Sleeveless Casual Dress

$69.00 $19.00 AS-I942765c9
In Stock Buy Sleeveless Long Striped Dress at PromGirl
  • Black/Tan/Coral

Sleeveless Long Striped Dress

$39.00 $19.00 EM-CAG-1116
In Stock Buy Long Sleeveless Print Maxi Dress at PromGirl
  • Black/White

Long Sleeveless Print Maxi Dress

$49.00 $19.00 EM-CFF-1565-020
In Stock Buy Long Sleeveless Lace Casual Dress at PromGirl
  • Seafoam

Long Sleeveless Lace Casual Dress

$49.00 $24.00 CT-i840e555
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Ivory/Black

Floor Length Sleeveless Dress

$49.00 $25.00 SS-X28701TLV
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Multi

Long Sleeveless Chevron Print Dress

$29.00 EM-CCX-1571-438
In Stock Buy Floor Length Strapless Dress at PromGirl
  • Neon Salmon
  • Electric Blue

Long Strapless Casual Dress

$49.00 $29.00 CT-9500M64D
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Lime

Long Sleeveless Chevron Print Dress

$49.00 $29.00 EM-CFA-1472
In Stock Buy Long Sleeveless Print Casual Dress at PromGirl
  • Black/Cream

Long Sleeveless Print Casual Dress

$49.00 $29.00 CT-2518W78E
In Stock Buy Floor Length Spaghetti Strap Dress at PromGirl
  • Black

Floor Length Spaghetti Strap Dress

$49.00 $34.00 JU-47244
In Stock Buy Strapless Floor Length Dress with Pleated Skirt at PromGirl
  • Jade

Long Strapless Prom Dress by Bee Darlin

$79.00 $39.00 BD-Q0159172
In Stock Buy Floor Length Strapless Pleated Dress at PromGirl
  • Purple

Strapless Purple Prom Gown with Open Back

$199.00 $39.00 SS-X27091MDU
In Stock Buy Floor Length Strapless Empire Waist Dress at PromGirl
  • Light Yellow

Long Strapless Yellow Dress

$199.00 $39.00 SS-X28751TNY
In Stock Buy Floor Length Strapless Empire Waist Dress at PromGirl
  • Royal

Long Strapless Dress In Royal Blue

$129.00 $39.00 CT-8420EX5C
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Black

Sleeveless Evening Gown

$79.00 $39.00 KA-KD4439
In Stock Buy Strapless Floor Length Dress at PromGirl
  • Red

Strapless Floor Length Dress

$79.00 $39.00 TW-4068
In Stock Buy Long Cap Sleeve Dress at PromGirl
  • Black
  • Coral

Long Cap Sleeve Dress

$79.00 $39.00 LP-21339
In Stock Buy Strapless Floor Length Dress at PromGirl
  • Yucca

Strapless Floor Length Dress

$69.00 $39.00 CT-9500W88B
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Royal Blue

Floor Length Sleeveless Dress

$89.00 $44.00 MT-MD-6660
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 Floor Length Strapless Dress at PromGirl
  • Yucca

Floor Length Strapless Dress

$49.00 CT-9500M64F
In Stock Buy Long Strapless Casual Dress at PromGirl
  • Spice

Long Strapless Casual Dress

$49.00 CT-9500M64B
In Stock Buy Ruched Floor Length Sleeveless Dress at PromGirl
  • Plum

Ruched Floor Length Sleeveless Dress

$99.00 $49.00 JU-ON-643533
In Stock Buy Floor Length Strapless Dress at PromGirl
  • Teal

Floor Length Strapless Dress

$149.00 $49.00 CT-8420X10D
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Sky Blue

Floor Length Sleeveless Dress

$99.00 $49.00 TW-4017
In Stock Buy Floor Length Spaghetti Strap Dress at PromGirl
  • Black/Silver

Long Spaghetti Strap Glitter Dress by Jump

$98.00 $49.00 JU-ON-643345A
In Stock Buy Long Strapless Black Dress at PromGirl
  • Burgundy
  • Sage

Long Strapless Black Dress

$99.00 $49.00 DI-15709
In Stock Buy Long Strapless A-Line Prom Dress at PromGirl
  • Yellow/Seafoam

LA Glo Strapless Ball Gown

$119.00 $59.00 LA-23296
In Stock Buy Sleeveless Ruched V-Neck Dresss at PromGirl
  • Royal

Sleeveless Ruched V-Neck Dresss

$129.00 $64.00 BD-DY2611479
In Stock Buy Long Sleeveless Empire Waist Dress at PromGirl
  • Blue

Long Sleeveless Empire Waist Prom Dress

$129.00 $64.00 MY-6661ix1n
In Stock Buy Sleeveless Floor Length Lace Dress at PromGirl
  • Emerald

Sleeveless Floor Length Lace Dress

$129.00 $64.00 JU-43703
In Stock Buy Long One Shoulder Sweetheart Gown at PromGirl
  • Black
  • Fuchsia
  • Royal Blue

Long One Shoulder Sweetheart Gown

$129.00 $64.00 DQ-8143
In Stock Buy Ruched Floor Length Sleeveless Dress at PromGirl
  • Purple (Sparkle Purple)

Ruched Floor Length Sleeveless Dress

$129.00 $64.00 BN-54291
In Stock Buy Floor Length Strapless Sweetheart Print Dress at PromGirl
  • Purple
  • Fuchsia

Strapless Print Prom Dress

$219.00 $69.00 DQ-8088
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Turquoise

Strapless Turquoise Blue Prom Dress

$189.00 $69.00 SS-X26641TD9
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Periwinkle/Nude/Ab

Bee Darlin Strapless Prom Gown

$139.00 $69.00 BD-DY586477
In Stock Buy High Low Sleeveless Dress at PromGirl
  • Jade
  • Black/Peach

High Low Sleeveless Dress

$69.00 DI-DH1005
In Stock Buy Long Strapless Sweetheart Blue Ombre Dress at PromGirl
  • Royal/Turquoise

Long Strapless Sweetheart Blue Ombre Dress

$149.00 $74.00 JU-ON-643347i
In Stock Buy Floor Length One Shoulder Navy Dress at PromGirl
  • Deep Navy

Floor Length One Shoulder Navy Dress

$149.00 $74.00 BN-54090
In Stock Buy Floor Length Strapless Ruffled Prom Dress at PromGirl
  • Seafoam

Long Ruffled Prom Dress by LA Glo

$199.00 $75.00 LA-23302
In Stock Buy Long Sleeve High Neck Black Dress at PromGirl
  • Black

Long Sleeve High Neck Black Dress

$150.00 $75.00 AX-135910
In Stock Buy Long Blue Dress by XOXO at PromGirl
  • Blue

Long Blue Prom Dress by XOXO

$79.00 XO-2133SSK1
In Stock Buy Long One Shoulder Dress at PromGirl
  • Black
  • Royal Blue

One Shoulder Formal Gown

$229.00 $79.00 DQ-8095
In Stock Buy Formal One Shoulder Long Dress at PromGirl
  • Watermelon
  • Black

Long One Shoulder Prom Dress

$158.00 $79.00 NA-2812
In Stock Buy Floor Length Elegant Halter Gown at PromGirl
  • Dark Coral

Halter Prom Gown

$110.00 $79.00 BD-DYO67007
In Stock Buy Floor Length Strapless Sweetheart Ruched Dress at PromGirl
  • Peacock
  • Mint

Strapless Gown by Mori Lee 20416

$162.00 $81.00 ML-20416
In Stock Buy Floor Length Sleeveless Lace Dress at PromGirl
  • Ivory/Pearl

Floor Length Sleeveless Lace Dress

$169.00 $84.00 BN-54194
In Stock Buy Long Spaghetti Strap Dress at PromGirl
  • White/Aqua

Long Spaghetti Strap Dress

$89.00 SS-X26942TWG
In Stock Buy High Low Strapless Formal Dress at PromGirl
  • Royal Blue
  • Teal

High Low Strapless Formal Dress

$179.00 $89.00 DQ-8608
In Stock Buy Floor Length High Neck Dress at PromGirl
  • Light Brown

Floor Length High Neck Dress

$179.00 $89.00 SI-A705
In Stock Buy Floor Length Strapless Sweetheart at PromGirl
  • Peach
  • Teal
  • Purple

Lace Up Strapless Prom Gown

$189.00 $94.00 DQ-8532
In Stock Buy Floor Length Halter Dress at PromGirl
  • Black

Long Black Halter Gown by Morgan

$189.00 $94.00 MO-21221
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Royal Blue
  • Fuchsia

One Shoulder Floor Length Dress

$189.00 $95.00 DQ-8365
In Stock Buy Strapless Formal Dress at PromGirl
  • Royal
  • Burgundy
  • Olive
  • Gold
  • Plum
  • White
  • Black

Long Formal Gown 29283

$99.00 SF-29283
In Stock Buy Lace Floor Length Strapless Sweetheart Dress at PromGirl
  • Eggplant
  • Champagne
  • Navy
  • Fuchsia
  • Red
  • Royal

Long Strapless Lace Dress

$99.00 DI-K0347B
In Stock Buy Long One Shoulder Dress at PromGirl
  • Black
  • Plum
  • Brown

One Shoulder Prom Gown

$99.00 DQ-8324
In Stock Buy High Low Halter Dress at PromGirl
  • Coral
  • Black
  • Mint
  • Turquoise
  • Purple

High Low Halter Dress

$99.00 DQ-8581
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Royal Blue
  • Watermelon
  • Banana

One Shoulder Gown by Ruby Rox

$99.00 RR-CGX2207irb
In Stock Buy Burgundy Formal Gown at PromGirl
  • Royal
  • Burgundy
  • Olive
  • Gold
  • Plum
  • White
  • Black

Burgundy Formal Gown

$99.00 SF-29283b
In Stock Buy Long V-neck Prom Dress at PromGirl
  • Royal
  • Periwinkle
  • Green
  • Yellow
  • Red
  • Ivory
  • Lavender

Long V-neck Prom Dress

$99.00 TW-4044r
In Stock Buy Strapless Sweetheart Floor Length Red Dress at PromGirl
  • Peach
  • Red
  • Teal

Corset Style Strapless Prom Gown

$199.00 $99.00 DQ-8642
In Stock Buy Long Strapless Sweetheart Formal Gown at PromGirl
  • Morganite
  • White
  • Water
  • Black
  • Red

Strapless Long Prom Dress by Alyce

$198.00 $99.00 AL-35595
In Stock Buy Strapless Sweetheart Ball Gown at PromGirl
  • Black

Strapless Sequin Ball Gown

$179.00 $99.00 DQ-8418
In Stock Buy Long Strapless Sweetheart Dress at PromGirl
  • Brown Print
  • Fuchsia (Solid)

Beaded Strapless Gown

$198.00 $99.00 DQ-8248
In Stock Buy Floor Length One Shoulder Dress at PromGirl
  • Red

Floor Length One Shoulder Dress

$199.00 $99.00 DQ-8545
In Stock Buy Floor Length Deep V-Neck Dress at PromGirl
  • Coral/Gold

Floor Length Deep V-Neck Dress

$250.00 $99.00 X-Xs2608
In Stock Buy Floor Length One Shoulder Dress at PromGirl
  • Watermelon
  • Silver
  • Fuchsia

Floor Length One Shoulder Dress

$149.00 $99.00 NA-2819
In Stock Buy Strapless Sweetheart Floor Length Dress at PromGirl
  • Lilac

Strapless Beaded Prom Dress

$199.00 $99.00 NA-2903
In Stock Buy Strapless Dress with Ruched Bodice at PromGirl
  • Lime

Strapless Prom Gown by Mori Lee

$278.00 $99.00 ML-93214
In Stock Buy Sleeveless V-Neck Floor Length Dress at PromGirl
  • Mint Green
  • Blush

Sleeveless V-Neck Floor Length Dress

$199.00 $100.00 NA-2719
In Stock Buy Strapless High Low Ruffle Dress at PromGirl
  • Coral
  • Fuchsia

Strapless High Low Ruffle Dress

$199.00 $100.00 DQ-8415
In Stock Buy Floor Length Strapless Sequin Dress at PromGirl
  • White

Floor Length Strapless Sequin Dress

$199.00 $100.00 IT-3148
In Stock Buy Floor Length Strapless Sequin Dress at PromGirl
  • Turquoise
  • Silver

Floor Length Strapless Sequin Dress

$229.00 $114.00 DQ-8468
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Peach
  • Aqua

Elegant Strapless Evening Gown

$229.00 $114.00 DQ-8645
In Stock Buy Long Strapless Open Back Gown at PromGirl
  • Sky Blue
  • Tangerine

Long Strapless Open Back Gown

$230.00 $115.00 AL-35590
In Stock Buy Floor Length Strapless Sweetheart Sequin Dress at PromGirl
  • Turquoise

Strapless Sequin Gown

$239.00 $119.00 DQ-8391
In Stock Buy Floor Length Navy Dress  at PromGirl
  • Navy

Floor Length Navy Dress

$238.00 $119.00 KM-51232
In Stock Buy Jasz Floor Length Prom Dress at PromGirl
  • White

Jasz Floor Length Prom Dress

$238.00 $119.00 JZ-5032
In Stock Buy Floor Length Alyce Prom Dress at PromGirl
  • Peacock Blue

Floor Length Alyce Prom Dress

$238.00 $119.00 AL-35606
In Stock Buy Embellished V-Neck Formal Gown at PromGirl
  • White
  • Navy

Embellished V-Neck Formal Gown

$398.00 $119.00 LF-18693
In Stock Buy Long Strapless Sweetheart Formal Gown at PromGirl
  • Magenta

Long Strapless Sweetheart Formal Gown

$238.00 $119.00 LF-18729
In Stock Buy Long Strapless Sweetheart Dress at PromGirl
  • Peony
  • Kelly Green

Long Strapless Sweetheart Dress

$240.00 $120.00 BJ-866
In Stock Buy Floor Length Lace Dress at PromGirl
  • Pink

Floor Length Lace Dress

$242.00 $121.00 DJ-10174
In Stock Buy Cap Sleeve Floor Length Lace Dress at PromGirl
  • Peach
  • Blue

Long Cap Sleeve Lace Dress by Morgan

$249.00 $124.00 MO-11809
In Stock Buy Floor Length Strapless Sweetheart Sequin Dress at PromGirl
  • Black

Strapless Sequin Gown by Jasz 1133

$249.00 $124.00 JZ-1133
In Stock Buy Full Length Sweetheart Evening Gown at PromGirl
  • Sky Blue
  • Bright Pink

Full Length Sweetheart Evening Gown

$260.00 $125.00 ST-12459
In Stock Buy One Shoulder Ruched Long Prom Dress at PromGirl
  • Ivory

One Shoulder Ruched Long Prom Dress

$250.00 $125.00 BJ-A59843
In Stock Buy Full Length Strapless Chiffon Gown at PromGirl
  • Hush
  • White
  • Capri Breeze

Strapless Gown in Chiffon by Alyce

$250.00 $125.00 AL-35597
In Stock Buy Strapless Sweetheart High Low Dress at PromGirl
  • Bright Purple
  • Dark Turquoise
  • Pink

Strapless Sweetheart High Low Dress

$250.00 $125.00 AL-35584
In Stock Buy Long Open Back One Shoulder Dress at PromGirl
  • White
  • Sapphire
  • Garnet

Long Open Back One Shoulder Dress

$258.00 $129.00 AL-35607
In Stock Buy Floor Length V-Neck Sleeveless Dress at PromGirl
  • Fuchsia

Floor Length V-Neck Sleeveless Dress

$258.00 $129.00 KC-3667
In Stock Buy Strapless Chiffon Floor Length Dress at PromGirl
  • Mint
  • Ivory

Strapless Chiffon Floor Length Dress

$260.00 $130.00 BJ-A59849
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Coral
  • Lime
  • Aqua
  • Lavender

Jeweled Strapless Long Prom Dress

$264.00 $132.00 CD-0998
In Stock Buy Jeweled Pink Full Length Dress at PromGirl
  • Aqua Green
  • Lilac
  • Purple

Jeweled Prom Dress by Dave & Johnny

$265.00 $133.00 DJ-6669
In Stock Buy Floor Length Yellow Sweetheart Dress at PromGirl
  • Yellow

Floor Length Yellow Sweetheart Dress

$270.00 $135.00 DJ-10592
In Stock Buy Long Deep V-Neck Jersey Dress at PromGirl
  • Pink
  • Light Turquoise

Long Deep V-Neck Jersey Dress

$270.00 $135.00 AL-35582
In Stock Buy Floor Length Strapless A-line Dress at PromGirl
  • Peach

Floor Length Strapless A-line Dress

$270.00 $135.00 BJ-A59801
In Stock Buy Floor Length Bead Embellished Dress at PromGirl
  • Teal

Floor Length Bead Embellished Dress

$279.00 $135.00 DJ-10445
In Stock Buy Full Length Strapless Sweetheart Dress at PromGirl
  • White
  • Purple

Full Length Strapless Sweetheart Dress

$270.00 $135.00 AL-35591
In Stock Buy Long Strapless Sweetheart Alyce Dress at PromGirl
  • White
  • Aqua
  • Cobalt

Strapless Pageant Gown by Alyce

$270.00 $135.00 AL-35579
* 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.