Formal Dresses & Evening Gowns Under $100

A tight budget never has to mean a boring or low-quality dress. Peaches Boutique carries hundreds of formal dresses under $100 in every color, length, and silhouette you could want. Shop our full collection online with free shipping and next-business-day processing, or visit our Chicago store to try them on in person

price
lengths
Size
$429 $49 89% off
Reg: $550 Sale: $275 TODAY: $99 (82% off)
Black Bright Blue Neon Pink Peacock Periwinkle
+1
Reg: $439 Sale: $149 TODAY: $89 (80% off)
Pop Rocks Razzle Starburst
$389 $49 87% off
Royal Turq
$389 $49 87% off
$409 $49 88% off
Reg: $518 Sale: $259 TODAY: $99 (81% off)
Champagne/Gold Emerald Orchid Royal Sangria
Reg: $398 Sale: $199 TODAY: $99 (75% off)
Blue Blush Champagne Hot Pink Ivory/Multi
+3
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Champagne Ivory/Multi Orange
Reg: $438 Sale: $219 TODAY: $99 (77% off)
Emerald Red
Reg: $338 Sale: $169 TODAY: $79 (77% off)
Dark Emerald Light Periwinkle Red Royal Blue
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Black Purple Royal
Reg: $550 Sale: $275 TODAY: $99 (82% off)
Black Bright Blue Periwinkle Red
Reg: $650 Sale: $325 TODAY: $99 (85% off)
Blush Light Yellow
Reg: $592 Sale: $289 TODAY: $99 (83% off)
Black/Multi Sage
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Bright Blue Gunmetal Neon Orange
$375 $79 79% off
Dark Teal Light Gold Platinum
Reg: $398 Sale: $199 TODAY: $99 (75% off)
Ivory Purple Royal
$488 $99 80% off
Magic Opal Mint Opal Rose Opal
Reg: $504 Sale: $249 TODAY: $99 (80% off)
Black/Emerald Black/Gunmetal
Reg: $498 Sale: $249 TODAY: $99 (80% off)
Black Peacock
Reg: $498 Sale: $249 TODAY: $99 (80% off)
Light Pink Periwinkle Vintage Blue
Reg: $375 Sale: $187 TODAY: $99 (74% off)
Apple Green Black Fushia Mint Perriwinkle
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Light Blue Pink Purple
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Black Purple Red Royal
$298 $79 73% off
$450 $99 78% off
Coral Light Blue Rose Yellow
Reg: $378 Sale: $189 TODAY: $99 (74% off)
Reg: $498 Sale: $249 TODAY: $99 (80% off)
Black Ivory Vintage Blue
Reg: $598 Sale: $299 TODAY: $99 (83% off)
Reg: $398 Sale: $199 TODAY: $99 (75% off)
Light Blue Periwinkle Wine
$398 $79 80% off
Emerald Royal Blue White
Reg: $458 Sale: $229 TODAY: $99 (78% off)
Mint/White Neon Pink/White Periwinkle/White Yellow/White
Reg: $398 Sale: $199 TODAY: $99 (75% off)
Reg: $398 Sale: $199 TODAY: $99 (75% off)
Champagne Light Blue Purple
Reg: $485 Sale: $242 TODAY: $99 (80% off)
Reg: $448 Sale: $224 TODAY: $99 (78% off)
$358 $99 72% off
$378 $79 79% off
$298 $99 67% off
Mauve Sorbet
Reg: $298 Sale: $149 TODAY: $79 (73% off)
Reg: $478 Sale: $239 TODAY: $99 (79% off)
Champagne Emerald
Reg: $498 Sale: $249 TODAY: $99 (80% off)
Reg: $449 Sale: $224 TODAY: $99 (78% off)
Ivory Red
Reg: $379 Sale: $189 TODAY: $99 (74% off)
Emerald Ivory
$448 $99 78% off
Reg: $548 Sale: $274 TODAY: $99 (82% off)
Reg: $498 Sale: $249 TODAY: $99 (80% off)
Grey Ivory
$498 $99 80% off
White/Aqua White/Nude
Reg: $550 Sale: $275 TODAY: $99 (82% off)
Black/White Ocean/White
Reg: $698 Sale: $349 TODAY: $99 (86% off)
Reg: $598 Sale: $299 TODAY: $99 (83% off)
Reg: $450 Sale: $225 TODAY: $99 (78% off)
Reg: $698 Sale: $349 TODAY: $99 (86% off)
Reg: $559 Sale: $279 TODAY: $99 (82% off)
$428 $99 77% off
Reg: $397 Sale: $198 TODAY: $99 (75% off)
Reg: $473 Sale: $236 TODAY: $99 (79% off)
Reg: $658 Sale: $329 TODAY: $99 (85% off)
Reg: $538 Sale: $269 TODAY: $99 (82% off)

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on select dresses

 What to Expect From Formal Dresses Under $100 

Our formal dresses under $100 are made with the same attention to detail and style as our higher-priced styles, just at a price point that works for all budgets. 

You’ll find options in satin, chiffon, sequin mesh, and tulle across dozens of stunning colors and silhouettes. We only stock styles from trusted brands with proven track records in formal wear, allowing you ultimate peace of mind the moment you try on your dream dress. 

 Stunning Styles Available for Long Formal Dresses Under $100

You will find long formal dresses under $100 in more styles than you may expect. At Peaches Boutique, you’ll find floor-length options across multiple silhouettes, all in stock and ready to ship:  

  • A-line: A universally flattering cut that flows from the waist and works beautifully for prom, homecoming, and galas.

  • Mermaid: Sleek and curve-hugging with a dramatic flare below the knee, all at a price that works for any budget.

  • Ball Gowns: Full, sweeping skirts with structured bodices that create a show-stopping entrance without the designer price tag.

  • Fitted: Clean, streamlined silhouettes that look polished and intentional for any formal occasion.

  • High Low: A playful take on long formal dresses under $100 that gives you the best of both lengths in one style.

 Designers Who Offer Affordable Yet Stylish Formal Dresses 

Some of the best formal dresses under $100 come from designers who prioritize accessibility without cutting corners. Ava Presley brings runway-inspired trends to the under-$100 range with fresh silhouettes and quality fabrics. 

La Femme rounds it out with timeless construction and refined details that look far more expensive than they are.


Find Your Perfect Formal Dress Under $100 at Peaches Boutique

View Our Entire Dress Selection

A stunning formal dress under $100 is not a myth: it's every day at Peaches Boutique. Browse hundreds of in-stock styles online right now, with free shipping on select dresses and flexible payment plans. If you prefer to shop in person, you can visit our Chicago showroom with a personal sales associate by your side. No matter what, your beautiful, affordable dress is waiting.

Frequently Asked Questions About Formal Dresses Under $100 

Absolutely! Peaches Boutique carefully curates its under-$100 collection to include dresses with quality fabrics, proper lining, and solid construction. A lower price point doesn't mean lower standards when you shop with a reputable retailer.
Yes! Peaches Boutique carries formal dresses under $100 in styles that work beautifully for homecoming, including short sequin styles, fitted minis, and flirty A-line cuts.
Yes. Peaches Boutique carries formal dresses under $100 in sizes 000 through 32W, including plus-size options across multiple styles and colors.
Formal dresses under $100 are covered by Peaches Boutique's standard return policy. Head to our returns page for everything you need to know about returning or exchanging your dress.