Seventeen picks products that we think you'll love the most. We may earn commission from the links on this page.
Design by Yoora Kim
1
Lulus Shine Language Rose Gold Sequin Mermaid Maxi Dress
Lulus sells some of the cutest dresses online for cheap, with something for every girl. If you're looking to go more laid-back for prom, grab a tea-length dress, and if you want full-on glam, you'll love their all-sequin gowns.
2
Windsor Lola High Slit Satin Dress
Whether you're looking for something trendy or classic, Windsor is your stop. They've got super cheap dresses that look straight off the red carpet in both quality and style.
3
Nordstrom Morgan & Co. Sequin Embellished Gown
No matter what your prom theme or your budget, Nordstrom has racks on racks of dresses to choose from. They've got everything from blinged-out midi dresses to massive tulle gowns.
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4
Impeccable Taste Sequin Maxi Dress Fashion Nova
Kylie Jenner's favorite brand doesn't only stock curve-hugging denim and teeny tiny crop tops, Fashion Nova also has a huge selection of gorgeous gowns. Their Luxe Collection features an range of metallic maxis, ruffled mermaid gowns, and beyond. Plus, all their dresses are $50-$300.
5
Analise Plunging Floral Maxi Dress Tobi
If you're looking for a dress under $100 that's sure to get everyone at your school talking, Tobi is the real deal. This site sells everything from mini dresses to bodycon pieces that look like you just went shopping in Kim Kardashian's closet.
6
Showpo At The Altar Bodice Maxi Dress in Black
Meet Showpo, an Australian brand that boasts everything from corset tops to sweatsuits to full-on tulle gowns that'll have jaws on the floor at prom. You can expect to spend around $100 or less on a formal maxi gown.
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7
Josefine HJ x NA-KD Satin Scarf Maxi Dress Blue
NA-KD has a bevy of silky, slinky maxi dresses that can work either as a prom dress or a deliciously over-the-top party, wedding, or bar mitzvah look. Bonus: Many are under $100.
8
Few Moda o.p.t Evan Dress
We're about to let you in on a little secret...Few Moda is a hidden Internet gem that allows you to buy clothing from the same manufacturers your favorite brands purchase from (Reformation, Alice + Olivia, etc) without that extra middleman mark-up to save some $$$.
9
ASOS Lace Trimmed Maxi Dress With Floral EmbellishmentASOS
If you're hunting for a totally unique prom option no one else will have, we recommend you head straight to ASOS. The online retailer has pages and pages of stunning gowns of all lengths, with totally unexpected details.
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10
Sleeveless Ombre Tulle Ball Gown
To secure an iconic style moment you'll never forget, you'll want to check out Mac Duggal — the brand sells formal gowns that truly bring the drama and opulence without the four-figure price tag. The brand can also be found at Saks Fifth Avenue and Rent the Runway.
11
Pretty Little Thing Black Corset Detail Cross Halterneck Dress
The perfect prom dress isn't complete without a little extra *drama*. PrettyLittleThing stocks all the cutouts, sequins, beading, and lace necessary for a standout gown. The site even offers a 40 percent student discount.
12
Fame & Partners Sweetheart Column Dress
Fame and Partners stocks occasion dresses that look so chic, you won't believe the price tag. Most of them are under $250 and all are totally customizable. Add straps, shorten the skirt, remove the ruffles–with a few clicks you can make the gown of your dreams.
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13
For Love & Lemons X REVOLVE Bustier Gown
For Love & Lemons is famous for their floral summer dresses and luxe lace underthings, but they also make great party dresses. Their minis make a big impact, with bold statement sleeves, sexy lace, and lots of sequins.
14
Nasty Gal Spot Print Satin Cut Out Waist Strappy Maxi Dress
This Girlboss favorite mostly stocks edgy daytime dresses, but if you're willing to dig, you can find some seriously cool prom-worthy gowns and jumpsuits for a super affordable price.
15
David's Bridal Charmeuse Tank v-Neck Bridesmaid Dress With Slit
David's Bridal is your go-to stop for budget-friendly gowns for literally any occasion. Prom? They've got it. Homecoming? Sure. Graduation? Totally.
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16
ModCloth An Unforgettable Evening Maxi Dress
Complete with trendy rose appliques, this tulle dress is a fairytale-chic choice for prom. ModCloth's unique dresses are available from size 2 to 26 and are sure to make your prom pics look amazing.
17
Torrid Midi Rayon Twill Off Shoulder Peasant Dress
The plus size girl's dream, Torrid offers stylish outfits for everyone from size 10 to 30. This store has an amazing collection of clothes and prom-worthy dresses that will make you look and feel like a total queen.
18
Revolve Superdown Asher Strapless Dress
Hot AF dresses for prom, homecoming, and more can be found at online retailer Revolve. They've got high-quality pieces that you can get for a steal on sale.
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19
House of CB
House of CB Myrna Tangerine Satin Corset Midi Dress
This Kardashian-favorite brand serves up smokin' hot dresses for every occasion. If you're looking for over-the-top sexy gowns that look super expensive (but actually aren't), hit up House of CB.
20
H&M Sequined Slip Dress
You already buy everything else at H&M, why not your prom dress, too? This glitzy little number is less than $65. Choose your accessories wisely and you could nab a full prom look for waaaaay under $100.
Kelsey is Seventeen.com's fashion expert and resident Harry Potter nerd. At the office, she spends her day writing about style, beauty, and literally every move Kylie Jenner makes. On the weekends, you can find her sifting through vintage shops and hunting for the perfect burger. Follow her on Instagram at @klstieg.
Hannah is the assistant shopping editor at Cosmopolitan, covering all things from cute apartment decor to trendy fashion finds, TikTok products that are actually worth your $$$, and the perfect gift to buy for your boyfriend's mom. She previously wrote for Seventeen and CR Fashion Book. Follow her on Instagram for hot takes on red carpet fashion and unhinged updates on the books she’s reading on the train.
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