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.

Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-7755 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9322 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SH-50255 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Dress with Lace Bodice at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy ML-132 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Dress 8789 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long V-neck Mori Lee Prom Dress  at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Silver Sequin Criss Cross Back Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Two Piece Spaghetti Strap Dress by Dave and Johnny at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9191 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Embroidered Open Back Jersey Mori Lee Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Dress with Jewel Detailing at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NC-7237 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FB-GL1376P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-7747 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9400 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy TI-DL300 Glamour by Terani at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Burgundy Lace Floor Length Open Back Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy ML-122 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Black Sleeveless Lace Floor Length Open Back Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JO-37592 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Black Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SH-50097 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JO-JVN-JVN33701 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Jewel Embellished Dress Glamour by Terani at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy CQ-4182DW at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length V-Neck Sequin Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9325 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Jersey V-Neck Dress by Faviana at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Illusion Top Racerback Floor Length Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Mori Lee Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Two Piece Floor Length Dress with Illusion Bodice at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Open Back V-Neck Gown by Faviana at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleevless Lace Dress at PromGirl
  • Red
  • Black

Long Sleeveless Lace Gown

$99.00 TW-4116
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Lace Dress by Swing Prom at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Illusion Back Floor Length Lace Blush Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9182 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless V-Neck JVN by Jovani Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9264 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long V-Neck Dress with a Sheer Back Glamour by Terani at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy MY-2904SJ1S at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Dress With Ruched Bodice at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Illusion Bodice Sequin Hearts Two Piece Long Prom Dress with Side Slit at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Dave and Johnny Floor Length Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Lace Floor Length Sleeveless Dress at PromGirl
  • Black (Black/Black)
  • Beige (Beige/Beige)
  • Black/Beige
  • Navy
  • Red
  • Royal Blue
  • Blush

Long Lace Dress with Slit

$99.00 LP-22888
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-7744 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Sleeve Floor Length Lace Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Blush High Neck Long Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy MD-D14211WWO at PromGirl
  • Black

Black Long Sleeve Glitter Dress

$149.00 MD-D14211WWo
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Prom Dress with Side Cut Outs by La Femme at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-23624 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NC-1236 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length One Shoulder Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-23711 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Open Back Sweetheart Dress by Alyce at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Open Back Floor Length Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy ML-136 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Mock Two Piece Lace Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-7742 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Black Floor Length Open Back Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-21948 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy PO-7450 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Open Back Sweetheart Gown by Faviana at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Scoop Neck Floor Length Dress with Adjustable Straps at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Gorgeous La Femme Prom Dress at PromGirl
  • Coral
  • Midnight Blue
  • Nude
  • Black

Gorgeous La Femme Prom Dress

$250.00 LF-16802
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy AL-35771 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9360 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sheer Racer Back Long Prom Dress by La Femme at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SG-ASAEE1AFB at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0200 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-23450 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Scala-48557 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Sweetheart Floor Length Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Elegant Classic Strapless Chiffon Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-ID3099VP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Blush Gown  at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9173 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Two Piece Scoop Neck Dress 1817 by Dave and Johnny at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Open Back Sleeveless Long La Femme Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sequin Hearts Black High Neck Empire Waist Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Glamorous Two Piece Blush Prom Dress with Slit at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy One Shoulder Floor Length Lace Dress by Mori Lee at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9233 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Ombre High Low Prom Dress by La Femme at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy TW-4211 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Lace Cap Sleeve Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Cap Sleeve Dress with Illusion Bodice at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy BL-IN-130 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy EM-CKI-1003-001 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-22642 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Flowing Floor Length Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy BL-11009 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy MD-D14001AB at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length High Neck Illusion Dress by Dave and Johnny at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-23305 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-7716 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9202 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Glamour by Terani Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy CQ-4699DK at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless V-Neck JVN by Jovani Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Prom Dress with Illusion Bodice at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FA-S7712 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9279 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Open Back Sleeveless Long Sherri Hill Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Lace Floor Length Sleeveless Dress 4155 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Two Piece Floor Length Lace Embellished Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9137 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length High Neck Dave and Johnny Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Sequin Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Black and White Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9282 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Open Back Lace Gown by Xtreme at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-23397 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0546 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Black Floor Length Formal Gown  at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SH-50127 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Short Sleeve Lace Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0834 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JU-732 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy V-neck Floor Length Blush Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9216 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy La Femme Floor Length Dress with Sweetheart Neckline at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Floor Length Open Back Dress ISD2851 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy One Shoulder Dress with Sheer Paneling at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy PO-7494 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-22206 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy EM-CKL-1733-710 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Strapless Mermaid Style Prom Dress by Madison James at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9150 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0634 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LT-LD9766 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sherri Hill Two Piece 2015 Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Lace Dress with Half Sleeves by Sally Fashion at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy ML-20475 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Floor Length Dress with Lace Bodice by Morgan at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-22245 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Black V-Neck Dress by Emerald Sundae at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Prom Dress with Sheer Bodice by Mori Lee at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy TW-4221 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length V-neck Blush Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy MF-E1822 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Embellished Strapless Mermaid Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy IT-3444 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Stunning Sequin Embellished Sheer JVN by Jovani Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Rhinestone Embellished Long Sleeveless As U Wish Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0701 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LP-21228 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-AV-0144 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SS-X32331J33 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy LF-22380 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Cap Sleeve Prom Dress 7122 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Long Gigi Two Piece High Neck Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy TW-4168 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Spaghetti Strap Lace Dress at PromGirl
* 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.