Cheap Prom Dresses
Shine on your big night with the prom dresses collection at 27dress. Shop the looks everyone is searching for, including long sleeve prom dresses, sparkling sequin and corset styles, flowing mermaid silhouettes, and classic A-line gowns. We carry a huge range of colors, from bold reds and royal blue to soft pastels and timeless black, in sizes for every body. Need a budget-friendly option? Our cheap and affordable prom dresses give you a designer look without the designer price tag. Filter by color, length, and neckline to find your perfect match, then order today with fast shipping so you are ready to steal the spotlight.
Not sure where to start? Our ultimate prom dress guide covers 2026 trends, silhouettes, colors and how to pick the perfect prom dress.
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- Featured
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- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
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- Price, high to low
- Date, old to new
- Date, new to old
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Long Champagne Long Sleeves Mermaid Prom Dress with Appliques
Long Champagne Long Sleeves Mermaid Prom Dress - Timeless Elegance Captivate everyone in this exquisite champagne mermaid prom dress that embodies sophistication and romance. Featuring elegant long sleeves, intricate appliqué detailing, and a figure-flattering silhouette, this gown is designed for the woman who appreciates...- $229.99
- $229.99
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Purple Long Sleeves Mermaid Long Prom Dress with Rhinestones
Purple Long Sleeves Mermaid Long Prom Dress - Regal Elegance Make a stunning statement in this exquisite purple mermaid prom dress that embodies royalty and glamour. Featuring elegant long sleeves, a figure-flattering silhouette, and dazzling rhinestone embellishments, this gown is designed for the confident...- $329.99
- $329.99
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Square Neck Long Mermaid Evening Dress with Rhinestones
Square Neck Long Mermaid Evening Dress - Modern Elegance Make a striking impression in this stunning mermaid evening dress that perfectly blends contemporary style with timeless glamour. Featuring a chic square neckline, figure-flattering silhouette, and dazzling rhinestone embellishments, this gown is designed for the...- $189.99
- $189.99
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Sexy V-neck Sequined Backless Mermaid Prom Dress
Sexy V-neck Sequined Backless Mermaid Prom Dress - Dazzling Allure Command attention in this show-stopping sequined mermaid prom dress that perfectly combines sultry elegance with glamorous sparkle. Featuring a plunging V-neckline, dazzling sequin embellishments, and a dramatic backless design, this gown is designed for...- $199.99
- $199.99
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Spaghetti Straps White Sequined Mermaid Evening Dress
Spaghetti Straps White Sequined Mermaid Evening Dress - Radiant Elegance Shine like a star in this breathtaking white sequined mermaid evening dress that perfectly combines classic elegance with dazzling glamour. Featuring delicate spaghetti straps, full sequin embellishments, and a figure-flattering silhouette, this gown is...- $189.99
- $189.99
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Elegant Sequined Sleeveless Backless Mermaid Prom Dress
Elegant Sequined Sleeveless Backless Mermaid Prom Dress - Dazzling Sophistication Captivate the room in this breathtaking sequined mermaid prom dress that perfectly combines elegant glamour with modern allure. Featuring a sleeveless design, dazzling sequin embellishments, and a dramatic backless silhouette, this gown is designed...- $189.99
- $189.99
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Navy Blue Off-The-Shoulder Mermaid Prom Dress
Navy Blue Off-The-Shoulder Mermaid Prom DressMake a show-stopping entrance in this exquisite navy blue mermaid prom dress. The romantic off-the-shoulder neckline and figure-hugging silhouette create an unforgettable look that's perfect for prom, galas, and formal events.Key Features: Elegant Off-The-Shoulder Design - Flattering neckline that...- $159.99
$219.99- $159.99
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Burgundy V-neck Sequin Backless Long Mermaid Prom Dress with Slit
Burgundy V-neck Sequin Backless Long Mermaid Prom Dress with Slit features a figure-hugging mermaid silhouette, sparkling sequins, deep V-neckline, backless design, and a daring slit. Perfect for prom and special occasions, offering elegance and shine.- $169.99
- $169.99
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Elegant Champagne Long Sleeves Lace Stain Long Formal Dresses
This elegant champagne-colored formal dress features delicate lace detailing and long sleeves, offering a timeless and sophisticated look. Perfect for weddings, galas, or any formal event, it ensures you stand out with its graceful design and luxurious feel.- $199.99
$0.00- $199.99
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Formal Off-the-Shoulder Mermaid Evening Dresses with Beading
Formal Off-the-Shoulder Mermaid Evening Dresses with Beading showcase a timeless silhouette with delicate beadwork. The off-the-shoulder neckline highlights elegance, while the mermaid cut flatters curves, perfect for galas, weddings, and special occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $229.99
- $229.99
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Elegant Sleeveless Mermaid Evening Dresses with Rhinestones
Elegant Sleeveless Mermaid Evening Dresses with Rhinestones feature a sleek silhouette and shimmering rhinestone details. The sleeveless cut highlights elegance, while the mermaid shape flatters curves, perfect for galas, proms, and evening events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $169.99
- $169.99
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Formal Sleeveless Crew Neck Evening Dresses with Side Train
Formal Sleeveless Crew Neck Evening Dresses with Side Train feature a graceful crew neckline and a sleek sleeveless cut. The dramatic side train adds sophistication, making this gown perfect for galas, weddings, and elegant evening occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event,...- $149.99
- $149.99
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Black Off-the-Shoulder Mermaid Sequined Evening Dresses with Slit
Black Off-the-Shoulder Mermaid Sequined Evening Dresses with Slit feature a glamorous off-shoulder neckline, sparkling sequins, and a curve-hugging mermaid silhouette. The high slit adds allure, perfect for galas, proms, and formal evening occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $149.99
- $149.99
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Cute Pink Long Sleeves Mermaid Evening Dresses with Feather
Cute Pink Long Sleeves Mermaid Evening Dresses with Feather feature a graceful mermaid silhouette, elegant long sleeves, and playful feather accents. This charming design is perfect for proms, galas, and special evening occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $299.00
- $299.00
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Gold Sleeveless Satin Mermaid Evening Dresses with Beaded
Gold Sleeveless Satin Mermaid Evening Dresses with Beaded feature a sleek satin finish and shimmering beaded accents. The sleeveless design and mermaid cut highlight elegance and curves, making it perfect for galas, proms, and evening celebrations. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event,...- $189.99
- $189.99
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Black Elegant Long Sleeves Mermaid Evening Dresses with Sash
Black Elegant Long Sleeves Mermaid Evening Dresses with Sash features a graceful silhouette, fitted bodice, and flowing mermaid hem. The sash accentuates the waist, while the long sleeves add charm, making it perfect for formal occasions and evening parties. Venues: Prom, Formal Banquet, Wedding Guest,...- $189.99
- $189.99
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Formal Strapless Sleeveless Mermaid Evening Dresses with Rhinestones
Formal Strapless Sleeveless Mermaid Evening Dresses with Rhinestones feature a stunning strapless neckline, elegant sleeveless design, and sparkling rhinestone embellishments. The mermaid silhouette accentuates curves, perfect for galas, weddings, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $399.99
- $399.99
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Bateau Cap Sleeves Mermaid Evening Dresses with Beading
Bateau Cap Sleeves Mermaid Evening Dresses with Beading feature an elegant bateau neckline, delicate cap sleeves, and intricate beading. The mermaid silhouette enhances curves, creating a sophisticated and glamorous look for weddings, galas, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event,...- $399.99
- $399.99
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Sexy Spaghetti Straps Sweetheart Mermaid Evening Dresses
Sexy Spaghetti Straps Sweetheart Mermaid Evening Dresses feature a flattering sweetheart neckline, delicate spaghetti straps, and a curve-hugging mermaid silhouette. Perfect for weddings, galas, and formal events, they exude elegance and allure. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $399.99
- $399.99
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Chic Puff Sleeves Mermaid Floor-length Sequined Evening Dresses
Chic Puff Sleeves Mermaid Floor-length Sequined Evening Dresses feature stylish puff sleeves, a figure-flattering mermaid silhouette, and shimmering sequins. Perfect for weddings, galas, and formal events, they create a glamorous and unforgettable look. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $399.99
- $399.99
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