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
Reg: $429 Sale: $49 TODAY: $24 (94% off)
Reg: $389 Sale: $49 TODAY: $24 (94% off)
Royal Turq
Reg: $389 Sale: $49 TODAY: $24 (94% off)
Reg: $439 Sale: $149 TODAY: $74 (83% off)
Pop Rocks Razzle Starburst
Reg: $409 Sale: $49 TODAY: $24 (94% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Blue Blush Champagne Hot Pink Ivory/Multi
+3
Reg: $418 Sale: $199 TODAY: $100 (76% off)
Emerald Royal
Reg: $338 Sale: $169 TODAY: $84 (75% off)
Dark Emerald Light Periwinkle Red Royal Blue
Reg: $368 Sale: $184 TODAY: $92 (75% off)
Chameleon Magic Opal Royal Wine
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Ivory Light Blue Red Royal
Reg: $375 Sale: $79 TODAY: $40 (89% off)
Dark Teal Light Gold Platinum
Reg: $419 Sale: $199 TODAY: $100 (76% off)
Cobalt Emerald
Reg: $338 Sale: $169 TODAY: $84 (75% off)
Dark Berry Mauve
Reg: $318 Sale: $159 TODAY: $80 (75% off)
Envy Royal
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Ivory Purple Royal
Reg: $499 Sale: $199 TODAY: $100 (80% off)
Neon Pink Red Teal
Reg: $350 Sale: $175 TODAY: $88 (75% off)
Black Bright Fuchsia Red
Reg: $298 Sale: $149 TODAY: $74 (75% off)
Pink Sky Blue
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Black Emerald Royal
Reg: $375 Sale: $187 TODAY: $94 (75% off)
Apple Green Black Fushia Mint Perriwinkle
Reg: $298 Sale: $79 TODAY: $40 (87% off)
Reg: $290 Sale: $145 TODAY: $72 (75% off)
Black Deep Lavender
Reg: $368 Sale: $184 TODAY: $92 (75% off)
Black/Mint Light Periwinkle
Reg: $419 Sale: $199 TODAY: $100 (76% off)
Reg: $429 Sale: $199 TODAY: $100 (77% off)
Black Purple
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Periwinkle Red Teal
Reg: $599 Sale: $199 TODAY: $100 (83% off)
Lavender Light Blue
Reg: $450 Sale: $99 TODAY: $50 (89% off)
Coral Light Blue Rose Yellow
Reg: $298 Sale: $149 TODAY: $74 (75% off)
Reg: $350 Sale: $175 TODAY: $88 (75% off)
Iridescent Pink Orchid
Reg: $358 Sale: $179 TODAY: $90 (75% off)
Reg: $378 Sale: $189 TODAY: $94 (75% off)
Reg: $298 Sale: $149 TODAY: $74 (75% off)
Sky Blue Yellow
Reg: $370 Sale: $185 TODAY: $92 (75% off)
Reg: $394 Sale: $197 TODAY: $98 (75% off)
Reg: $418 Sale: $199 TODAY: $100 (76% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Black Teal
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Periwinkle Teal
Reg: $419 Sale: $199 TODAY: $100 (76% off)
Hot Pink Lilac
Reg: $449 Sale: $199 TODAY: $100 (78% off)
Reg: $449 Sale: $179 TODAY: $90 (80% off)
Champagne Emerald
Reg: $675 Sale: $199 TODAY: $100 (85% off)
Emerald Navy Pucker Up Pink
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Light Blue Periwinkle Wine
Reg: $350 Sale: $175 TODAY: $88 (75% off)
Ivory Orange Red
Reg: $398 Sale: $79 TODAY: $40 (90% off)
Emerald Royal Blue White
Reg: $350 Sale: $175 TODAY: $88 (75% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Reg: $399 Sale: $199 TODAY: $100 (75% off)
Reg: $428 Sale: $199 TODAY: $100 (77% off)
Black Magic Opal
Reg: $318 Sale: $159 TODAY: $80 (75% off)
Reg: $392 Sale: $196 TODAY: $98 (75% off)
Emerald Royal
Reg: $419 Sale: $199 TODAY: $100 (76% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)
Champagne Light Blue Purple
Reg: $499 Sale: $179 TODAY: $90 (82% off)
Watermelon Yellow
Reg: $550 Sale: $179 TODAY: $90 (84% off)
Black Bright Fuchsia
Reg: $498 Sale: $99 TODAY: $50 (90% off)
White/Aqua White/Coral White/Nude
Reg: $358 Sale: $99 TODAY: $50 (86% off)
Reg: $378 Sale: $79 TODAY: $40 (89% off)
Reg: $398 Sale: $199 TODAY: $100 (75% off)

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 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.