Dresses Under $400

Formal Dresses Under $400
Designer Looks, Unbeatable Prices

Turn heads at your next event with our stunning collection of formal dresses under $400—where high-end fashion meets smart spending. Whether you're preparing for prom, homecoming, a black-tie wedding, or an upscale gala, these affordable designer-inspired gowns are made to impress without exceeding your budget.

From glamorous sequin gowns and sophisticated satins to romantic lace ball gowns and figure-flattering fit-and-flare styles, we offer premium looks at a price point that’s just right. Find formal dresses in every trending silhouette, neckline, and color—perfect for making an entrance at any formal affair.

Popular occasions for dresses under $400:

  • Prom 2025 & formal banquets

  • Wedding guest dresses for upscale ceremonies

  • Mother of the bride or groom dresses under $400

  • Evening gowns for military balls, galas, or quinceañeras

  • Pageant-perfect styles at an affordable price

Shop bestselling styles from top designers and discover why smart shoppers choose Terry Costa for quality formalwear without the luxury markup. Many of our most loved looks sell out fast—so don’t wait!

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