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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Sort by:
- Featured
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- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Long Sleeves Square Mermaid Velvet Formal Prom Dress with Slit
Achieve a timeless and elegant look with our Long Sleeves Square Mermaid Velvet Formal Prom Dress with Slit. Featuring long sleeves and a square neckline, this dress creates a flattering silhouette. The luxurious velvet fabric adds a touch of sophistication, while the slit adds...- $169.99
- $169.99
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Burgundy Long One Shoulder Satin Mermaid Front Split Prom Dress
Achieve a stunning and sophisticated look with our Burgundy Long One Shoulder Satin Mermaid Front Split Prom Dress. Made with luxurious satin fabric, this dress exudes elegance and features a one shoulder design and a front split for added flair. Perfect for proms and...- $169.99
- $169.99
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Off-the-Shoulder Black Long Halter Mermaid Evening Dress
Effortlessly exude elegance and sophistication in our Off-the-Shoulder Black Long Halter Mermaid Evening Dress. The sleek mermaid silhouette and dramatic halter neckline will accentuate your curves, while the off-the-shoulder design adds a touch of romance. Perfect for any formal event, this dress is a...- $169.99
- $169.99
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Royal Blue Satin One Shoulder Beadings Mermaid Prom Dress Long
Elevate your style with our Royal Blue Satin One Shoulder Beadings Mermaid Prom Dress Long. Featuring stunning satin fabric, intricate beadwork, and a flattering mermaid silhouette, this dress will make you stand out at any event. Perfect for proms, weddings, or any formal occasion....- $255.00
- $255.00
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High Neck Long Sleeves Mermaid Prom Dress with Ruffle
High Neck Long Sleeves Mermaid Prom Dress with Ruffle blends sophistication with drama. Featuring a form-fitting mermaid silhouette, elegant high neckline, and cascading ruffle detailing, it’s perfect for a bold and graceful prom look.- $199.99
- $199.99
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Long Sleeves V-Neck Satin Mermaid Prom Dress with Slit
Dazzle in elegance with our Long Sleeves V-Neck Satin Mermaid Prom Dress. The sleek satin fabric hugs your curves and features a flattering V-neckline and long sleeves for a sophisticated touch. The slit adds a touch of allure, perfect for prom or any formal...- $189.99
- $189.99
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Red Sweetheart Long Sleeves Mermaid Satin Prom Dress with Split
From the expertly crafted sweetheart neckline to the elegant mermaid silhouette, this red satin prom dress is the perfect combination of sophistication and glamour. The long sleeves add a touch of modesty, while the thigh-high split adds a hint of sensuality. Look and feel...- $189.99
- $189.99
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Long Sweetheart Sleeveless Mermaid Satin Prom Dress with Split
Elevate your evening look with this gorgeous Long Sweetheart Sleeveless Mermaid Satin Prom Dress. The sleek satin material coupled with the flattering mermaid silhouette creates a sophisticated and elegant look. The sweetheart neckline and sleeveless design add a touch of femininity, while the split...- $189.99
- $189.99
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Champagne High Neck Long Sleeves Mermaid Satin Formal Prom Dress
Expertly crafted from luxurious satin, our Champagne High Neck Long Sleeves Mermaid Formal Prom Dress radiates elegance and sophistication. The high neck and long sleeves offer a traditional touch, while the figure-hugging mermaid silhouette flatters your curves. Perfect for any formal occasion, this dress...- $179.00
- $179.00
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Two Piece Yellow Long Sweetheart Satin Mermaid Formal Prom Dress
This Two Piece Yellow Long Sweetheart Satin Mermaid Formal Prom Dress is perfect for your next special occasion. The vibrant yellow color and figure-flattering mermaid silhouette make it a show-stopping choice. Crafted from high-quality satin, this dress boasts a sweetheart neckline and two-piece design,...- $159.99
- $159.99
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Spaghetti Straps Red A-line Sweetheart Chiffon Long Prom Dress with Slit
Look stunning in this Spaghetti Straps Red A-line Sweetheart Chiffon Long Prom Dress with Slit. The long, flowing chiffon fabric creates an elegant A-line silhouette, while the sweetheart neckline and spaghetti straps add a touch of romance. With a sultry slit, this dress is...- $159.99
- $159.99
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Long A-line Strapless Satin Lace Open Back Evening Dress with Slit
Elevate your evening attire with our Long A-line Strapless Satin Lace Open Back Evening Dress. Crafted from high-quality satin and delicate lace, this dress offers a touch of elegance to any occasion. Its open back and slit design allow for easy movement, while the...- $189.99
- $189.99
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Long Sleeves Short A-line V-neck Satin Prom Dress with Appliques Lace
This elegant Long Sleeves Short A-line V-neck Satin Prom Dress is adorned with delicate Appliques Lace, making it a perfect choice for any special occasion. The long sleeves provide coverage while the A-line silhouette flatters all body types. Crafted from satin, this dress exudes...- $169.99
- $169.99
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White Long Off The Shoulder Satin Mermaid Prom Dress
Expertly crafted from high-quality satin, this White Long Off The Shoulder Satin Mermaid Prom Dress is the epitome of elegance and sophistication. The off-the-shoulder neckline adds a touch of allure, while the mermaid silhouette perfectly accentuates your curves. Embrace your inner goddess and make...- $149.99
- $149.99
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Burgundy Long Sleeves Mermaid High Neck Sequin Formal Prom Dress with Slit
This elegant burgundy dress features long sleeves, a high neckline, and stunning sequin detailing. The daring slit adds a touch of glamour to this formal prom dress, making it perfect for any special occasion. Stay stylish and stand out in this sophisticated and eye-catching...- $179.00
- $179.00
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Halter Mermaid Long Satin Lace Appliques Prom Dress with Split
Discover elegance and sophistication in our Halter Mermaid Long Satin Lace Appliques Prom Dress with Split. Crafted with delicate lace appliques and a stunning split, this dress is perfect for those looking to make a statement. The halter neckline adds a touch of modern...- $189.99
- $189.99
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Sleeveless Tulle Mermaid Brown Long Prom Dress with Appliques Lace
Introducing our Sleeveless Tulle Mermaid Brown Long Prom Dress, featuring exquisite Appliques Lace. With its elegant design and high-quality materials, this dress is perfect for any formal occasion. The mermaid silhouette accentuates your figure, while the sleeveless design adds a touch of sophistication. Elevate...- $189.00
- $189.00
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Gorgeous Long Sleeveless Sequins Mermaid Prom Dress with High Slit
This stunning long sleeveless prom dress features a figure-flattering mermaid silhouette, adorned with intricate sequin detailing. The daring high slit adds a touch of glamour, making it perfect for any formal occasion. Elevate your style and confidence with this gorgeous dress, designed to make...- $350.00
- $350.00
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Dusty Sage Long Sleeves Mermaid Sweetheart Satin Prom Dress with Split
Elevate your prom look with our Dusty Sage Long Sleeves Mermaid Sweetheart Satin Prom Dress with Split. This stunning dress features an elegant mermaid silhouette with a sweetheart neckline and long sleeves for a touch of sophistication. The satin fabric adds a luxurious feel...- $189.99
- $189.99
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Black Spaghetti Straps Long A-line Chiffon Prom Dress with Split
This elegant black dress features spaghetti straps, a flowing A-line silhouette, and a delicate chiffon fabric with a sultry thigh-high slit. Perfect for prom or any formal event, this dress will make you feel confident and stylish all night long. Made with high-quality materials...- $169.99
- $169.99
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