Summer Formal Dresses
Planning a warm-weather RSVP? Our summer formal dresses are designed for destination weddings, milestone birthdays, and elevated evening events. Discover refined maxis, polished A-line midis, and statement sequin cocktail styles that feel current without losing their timeless appeal. Highlight your shape in a sleek mermaid gown finished with rhinestones or soft ruching in luxe satin, or opt for a flowing A-line tulle silhouette that brings light movement and a romantic edge — ideal for a boho-leaning celebration. For a more directional take, explore subtle cutouts and tiered ruffles that add dimension while keeping the look elevated and event-ready.
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Summer Formal Dresses That Steal the Spotlight
Make a stunning entrance with summer formal dresses designed for warm-weather celebrations. From weddings to military balls and rooftop soirées, Windsor’s dresses feature luxe fabrics, standout silhouettes, and trend-forward details made to impress.
Choose from sleek satin gowns, flowy chiffon maxis, and figure-flattering mermaid or A-line styles. Details like lace-up backs, halter necklines, and off-shoulder sleeves bring effortless elegance, while metallic fabrics, sequins, and floral prints add shine and charm.
Go bold in sunset hues or keep it classic in white, black, or blush. From tiered tea-length dresses to high-slit gowns with corset bodices, these styles move with you from ceremony to celebration.
Complete the look with strappy heels and radiant accessories, and let the dress do the talking.
Find your perfect match—shop Windsor’s summer formal dresses online, in-app, or at your nearest store.
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Jacie Floral Ruffle Column Formal Dress
Special Occasion
Romantic movement meets modern elegance in the Jacie floral ruffle column dress designed for unforgettable entrances. Soft layers of ruffles cascade along the high side slit, creating fluid motion with every step, while the strapless neckline keeps the look sleek and refined. It’s the kind of dress that feels effortless yet completely event-ready.
Fit & Features
- Floral print, mesh -lined fabric
- Strapless neckline
- Ruffled column silhouette
- High side slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, fancy brunches, spring galas, rehearsal dinners, engagement parties, birthday dinners, cocktail soirees
Style Number/Barcode: 05002-000755
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L, XL
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Lizzie Floral Satin A-Line Formal Dress
Special Occasion
Designed for moments that call for quiet drama, The Lizzie gown moves with an effortless sense of polish and poise. Cut from satin with a flowing A-line silhouette, it features a floral pattern, tie straps, a low cut back, and a high front slit for an entrance that feels considered and unforgettable.
Fit & Features
- Premium satin with floral pattern, woven lining
- V-neckline with adjustable tie straps
- A-line silhouette that skims the body
- Low cut back with open detail
- High front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, bridal celebrations, fancy baby showers, galas, formal milestone celebrations, birthday brunches, garden parties
Style Number/Barcode: 05002-001024
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: WHITE, PRINT
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Brinley Bow Back Floral Sequin Column Dress
Special Occasion
The Brinley dress shimmers with every step in luminous floral sequins that catch the light from every angle. Designed in a sleek column silhouette with a draped neckline and statement bow back, it’s the kind of look that makes prom night, galas, and formal celebrations feel even more unforgettable.
Fit & Features
- Sheer mesh fabric with full-length stretchy knit lining
- Floral printed sequin embroidery
- Sleeveless pleated cowl neckline
- Adjustable spaghetti straps, open cross-back design
- Lower chiffon tie-back bow design, lower hidden zipper with hook-eye closure
- High-cut front slit, floor-length column silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, galas, birthday celebrations, and formal events.
Style Number/Barcode: 05002-001048
Category Name: Summer Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: YELLOW
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Aleah Floral Sequin Beaded Mesh Mermaid Dress
Special Occasion
Perfect for a striking first impression, the Aleah mesh mermaid dress skims the body with chic confidence and a subtle shimmer that catches the light as you move. Floral sequin beading adds dimension and romance, making it a gorgeous choice for moments that call for glamour.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin and beaded floral pattern
- Sleeveless plunging V-neckline, padded bust
- Halter strap, partially open back
- Back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, formal parties, galas, dressed-up dinners, and chic soirees.
Style Number/Barcode: 05002-001354
Category Name: Summer Formal Dresses
Price: $149.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Marsha Floral Tie-Back Formal Dress
Special Occasion
The Marsha formal dress brings effortless drama with every step. This floral mesh mermaid gown features a softly draped neckline, an open tie back, and a figure-skimming silhouette that feels equal parts polished and striking.
Fit & Features
- Statement floral print, mesh fabric, knit lining
- Cowl neckline
- Open tie-back detail
- Mermaid form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Vacations, honeymoons, resort getaways, destination weddings, date nights, birthday dinners, anniversaries, and cocktail soirees.
Style Number/Barcode: 05002-001587
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Carolina Mermaid Slit Formal Dress
Special Occasion
The Carolina slinky mermaid gown skims every curve with effortless elegance. A sculptural shell hardware detail at the halter neckline and a thigh-high slit bring a modern, artful finish that feels equal parts polished and unforgettable.
Fit & Features
- Slinky knit fabric, smooth knit lining
- Halter neckline with floral hardware detail
- Padded bra cups
- Open back, lower zipper and hook-eye closure
- High side slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, bridal celebrations, black tie galas, vacations, honeymoons, engagement parties, rehearsal dinners, big birthday events, cocktail parties, red-carpet occasions
Style Number/Barcode: 05002-001644
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: WHITE, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Jailei Floral Satin Lace-Up Formal Dress
Special Occasion
Like a garden in full bloom captured in motion, the Jailei satin mermaid gown brings an effortlessly romantic feel to every special occasion. The sweeping floral print, twist front neckline, and lace-up open back create a striking silhouette that feels polished, feminine, and impossible to forget.
Fit & Features
- Tropical floral print, premium satin fabric, woven lining
- V-neckline, padded bra cups
- Open lace-up back, zipper and hook-eye closure
- Column floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, garden parties, bridal showers, vacations, honeymoons, winery weekends, engagement celebrations, formal celebrations, cocktail soirees
Style Number/Barcode: 05002-001667
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Katana Abstract A-Line Formal Dress
Special Occasion
Float through the evening like you already belong on the best-dressed list in The Katana, a sweeping statement made for unforgettable arrivals. The abstract print mesh fabric, plunge halter V-neck, and open back bring a striking contrast to the soft movement of the A-line floor-length silhouette and front slit.
Fit & Features
- Abstract print, mesh fabric, knit stretchy lining
- Plunge halter V-neckline with tie straps, padded bra cups
- Open back, lower zipper and hook-eye closure
- Side ruched seams
- Front slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, galas, engagement parties, art galleries, cocktail soirees, birthday dinners, vacations, destination celebrations
Style Number/Barcode: 05002-000879
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLUE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Viana Satin Open Back Formal Dress
Special Occasion
The Viviana is the kind of satin mermaid dress that feels made for a graceful entrance. Flutter short sleeves frame the neckline, while an open back with a soft drape accent adds an unexpected moment of drama as you move.
Fit & Features
- Premium satin fabric lined with smooth knit
- V-neckline with soft flutter short sleeves
- Curve-hugging mermaid silhouette
- Open back with draped accent detail
- Floor length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, galas, cocktail parties, engagement parties, rehearsal dinners, formal celebrations, anniversaries
Style Number/Barcode: 05002-000901
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Ariel Satin Open Back Formal Dress
Special Occasion
The Ariel formal dress brings sleek satin and sculpted glamour together effortlessly. The pleated plunge halter V-neckline bust and open back create a striking balance against the curve-skimming mermaid floor-length silhouette.
Fit & Features
- Premium satin fabric, no stretch
- Pleated plunge halter V-neckline, tie straps
- Open back, lower zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Bridesmaids, wedding guest, black tie galas, rehearsal dinners, engagement parties, formal milestones, fancy birthdays, high tea parties, garden parties, fashion-forward soirees
Style Number/Barcode: 05002-000988
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Gretchen Floral Lace Formal Dress
Special Occasion
Romantic with just the right hint of allure, the Gretchen floral lace mermaid gown is designed for moments that feel straight out of a garden soirée. The lace-up, open-back adds an unexpected edge, balancing soft texture with a silhouette that moves effortlessly with you from ceremony to celebration.
Fit & Features
- Floral lace fabric, knit lining
- V-neckline, padded bra cups, spaghetti straps
- Lace-up open back
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, bridal celebrations, fancy brunches, garden parties, celebrations
Style Number/Barcode: 05002-001073
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L
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Maya Beaded Sequin Column Formal Dress
Special Occasion
Made for nights that shimmer just a little longer, the Maya floor-length gown delivers refined drama with every step. Beaded sequin mesh-lined fabric, a clean V neckline, and an open tie back create a striking column silhouette that feels polished yet unforgettable.
Fit & Features
- Beaded sequin mesh-lined fabric with stretch
- V-neckline with adjustable spaghetti straps for a tailored fit
- Open tie back with zipper and hook-eye closure
- Column floor length silhouette
- Runs true to size
Where to Wear:
Weddings, formal dances, black tie events, evening receptions, upscale cocktail parties, milestone celebrations, special occasion dinners, elegant nights out
Style Number/Barcode: 05002-001075
Category Name: Summer Formal Dresses
Price: $154.90
Availability: In Stock
Available Color: PINK
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Mildred Chiffon Strapless Formal Dress
Special Occasion
The Mildred chiffon A-line gown is all about soft movement and effortless allure. Designed with a strapless neckline and a romantic ruffle overlay, it drapes beautifully through a drop waist silhouette that feels equal parts polished and undone.
Fit & Features
- Chiffon fabric, woven lining
- Strapless neckline, non-slip grip lining
- Back zipper and hook-eye closure
- Relaxed bodice
- Drop waist seam
- Flowy A-line floor-length silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, destination formal events, bridal showers, engagement parties, formal milestone celebrations
Style Number/Barcode: 05002-001098
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L
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Rylan Floral Linen Cutout A-Line Dress
Special Occasion
Made for sun-drenched celebrations, the Rylan floral linen A-line dress brings effortless glamour to every RSVP. The plunging neckline and sculpted cutout detail give the flowy silhouette a modern feel that’s perfect for vacations, birthday dinners, and chic brunch plans.
Fit & Features
- Linen-blend woven fabric
- Floral print, piping contrast design
- Sleeveless V-neckline, tank shoulder straps
- Tie-front detail, asymmetric front waist cutout, side cutouts
- Open back, tie-back strap, lower zipper with hook-eye closure
- Floor-length A-line silhouette
- Runs true to size
Where to Wear:
Birthday celebrations, vacations, honeymoons, summer parties, and brunch with the girls.
Style Number/Barcode: 05002-001150
Category Name: Summer Formal Dresses
Price: $94.90
Availability: In Stock
Available Color: WHITE, PRINT
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Chantelle Chevron A-Line Formal Dress
Special Occasion
There’s something effortlessly captivating about a dress that moves with ease from ceremony to afterparty, and the Chantelle chevron crochet gown does exactly that. Designed with beaded spaghetti straps and a strappy open tie back, the A-line floor-length silhouette feels polished with just the right amount of allure.
Fit & Features
- Chevron crochet fabric, stretchy knit lining
- V-neckline
- Spaghetti straps with beaded accents
- Strappy open tie back design, lower zipper and hook-eye closure
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Destination weddings, vacations, honeymoons, resorts, dinner parties, semi-formal events and occasions
Style Number/Barcode: 05002-001562
Category Name: Summer Formal Dresses
Price: $84.90
Availability: In Stock
Available Color: BLUE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Annalise Floral Ruffle Formal Dress
Special Occasion
The Alessandra dress captures effortless romance with every step. Crafted from airy floral chiffon, this flowing A-line gown features cascading waterfall ruffles, a dramatic front slit, and an open tie-back detail that feels equal parts polished and unforgettable.
Fit & Features
- Floral print, chiffon-lined fabric
- Halter V-neckline, spaghetti straps
- Open mini lace-up back detail
- Tiered ruffled A-line silhouette
- Floor-length hem with a high slit
- Runs true to size
Where to Wear:
Destination weddings, winery weekends, bridal celebrations, vacations, honeymoons, baby showers, anniversaries, birthday dinners, cocktail soirees
Style Number/Barcode: 05002-001665
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: WHITE, PRINT
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Elowen Floral Lace Mesh Formal Dress
Special Occasion
The Elowen gown feels made for champagne toasts and candlelit entrances. This floral mesh mermaid dress features a delicate lace bust, sweetheart neckline, and cutout back that brings effortless allure.
Fit & Features
- Floral print, mesh and lace fabric, lined
- Sweetheart neckline, padded bra cups, wide tank straps
- Cutout back with hook-eye strap, lower zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Outdoor weddings, destination weddings, vacations, honeymoons, birthday dinners, cocktail soirees, engagement parties, anniversaries, garden parties, showers, graduations
Style Number/Barcode: 05002-001668
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L, XL
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Helen Floral Satin Lace-Up Formal Dress
Special Occasion
Romantic with a refined, destination-ready feel, the Helen gown is made for moments that linger well past golden hour. Crafted in woven satin with a floral print, this mermaid floor-length silhouette features a softly draped cowl neckline, delicate spaghetti straps, and a high front slit that moves with effortless elegance.
Fit & Features
- Floral printed premium satin fabric, knit lining
- Cowl neckline with slim spaghetti straps
- Mermaid silhouette
- Lace-up back detail for an adjustable fit, back zipper and hook-eye closure
- High front slit, floor-length hemline
- Runs true to size
Where to Wear:
Garden weddings, bridal celebrations, upscale baby showers, rehearsal dinners, formal celebrations, milestone birthdays, graduations, seasonal balls, black tie galas, destination weddings, elegant engagement parties and photoshoots
Style Number/Barcode: 05002-000545
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS, S, M, L
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Brittany Satin Column Formal Dress
Special Occasion
The Brittany satin column gown moves with sleek, sculpted ease and just the right hint of drama. Featuring a high halter neckline with statement gem rhinestone straps, an open back, and dual high slits, it’s the kind of look that makes an entrance without trying too hard.
Fit & Features
- Premium satin fabric, knit stretchy lining
- High halter neckline
- Statement gem rhinestone chain, adjustable spaghetti straps
- Open back design, lower hidden zipper and hook-eye closure
- Dual high slits
- Column long-length silhouette
- Runs true to size
Where to Wear:
Prom, black tie occasions, weddings, galas, upscale cocktail parties, birthday dinners, graduations, formal celebration parties, rehearsal dinners, engagement parties, elegant bridal showers, garden parties
Style Number/Barcode: 05002-001021
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: LIGHT, BLUE, RED
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Tina Sequin Floral Slit Formal Dress
Special Occasion
Romantic with a confident edge, the Tina sequined gown is made for moments that linger long after the night ends. A floral garden pattern, high slit, and mermaid floor length silhouette come together for a look that feels polished, striking, and effortlessly memorable.
Fit & Features
- Garden floral pattern, sequin-embellished
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- High front slit for movement
- Mermaid silhouette, floor-length hemline
- Runs true to size
Where to Wear:
Weddings, bridal celebrations, birthday dinners, milestone celebrations, black tie galas, formal dances, museum soirees, engagement parties, rehearsal dinners, seasonal soirees
Style Number/Barcode: 05002-001237
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: IVORY
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Brynlee Satin Open Back Formal Dress
Special Occasion
Understated yet undeniably striking, the Brynlee gown is all about clean lines and fluid movement in a silky satin mermaid silhouette. The one-shoulder neckline feels modern and refined, while the lace-up back adds that unexpected, turn-around moment that keeps all eyes on you.
Fit & Features
- Premium satin fabric, woven lining
- One-shoulder neckline, dual spaghetti straps
- Side zipper and hook-eye closure
- Strappy open back with cowl draping
- Mermaid floor-length fit
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, garden parties, formal celebrations, anniversaries, engagement parties, rehearsal dinners, bridesmaids
Style Number/Barcode: 05002-001264
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L, XL
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Chance Floral Sequin Mermaid Formal Dress
Special Occasion
Softly romantic with a confident silhouette, the Chance floral sequin mermaid gown is made for moments that call for quiet drama and polished allure. The lace-up back adds a custom feel, balancing elegance with just enough intrigue.
Fit & Features
- Mesh fabric with large floral print, full-length knit lining, high stretch
- All-over clear sequin embellishments
- Sleeveless V-neckline, padded bust
- Dual spaghetti straps, lace-up back with tie closure
- Hidden side zipper with hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, big birthday events, resort formal evenings, milestone celebrations, special date nights, and destination soirees.
Style Number/Barcode: 05002-001420
Category Name: Summer Formal Dresses
Price: $39.97 $129.90
On Sale: Yes
Availability: In Stock
Available Color: BLUE
Available Size: XXS, XS, S, M
Product Badge:- Sale
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Anabelle Floral Chiffon Formal Dress
Special Occasion
Float through the evening like the best-dressed guest in the room with the Anabelle A-line gown, a romantic chiffon silhouette designed for unforgettable celebrations. Featuring a soft floral print, cascading tiered ruffles, and a lace-up back detail, this A-line dress brings effortless movement and modern femininity to every step.
Fit & Features
- Floral print, chiffon fabric, smooth lining
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back detail, zipper and hook-eye closure
- Tiered frilly ruffled design
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, bridal celebrations, engagement photoshoots and parties, fancy brunches, garden parties, formal milestone celebrations, anniversaries, fancy cocktail soirees
Style Number/Barcode: 05002-001647
Category Name: Summer Formal Dresses
Price: $139.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Steffanie Floral Chiffon Formal Dress
Special Occasion
The Steffanie dress brings romance to every RSVP. Crafted from airy chiffon with a floral print, this flowing A-line gown features an asymmetrical neckline, cascading tiered ruffles, and a striking open-back detail that moves beautifully with every step.
Fit & Features
- Floral print, chiffon fabric, lined
- One-shoulder neckline
- Side zipper and hook-eye closure
- Dual spaghetti straps
- Open strappy detail
- Tiered ruffled A-line silhouette, floor-length hem
- Runs true to size
Where to Wear:
Outdoor weddings, bridal celebrations, baby showers, engagement photoshoots and parties, birthday brunches, garden parties, anniversaries, honeymoons, vacations, and summer galas.
Style Number/Barcode: 05002-001663
Category Name: Summer Formal Dresses
Price: $139.90
Availability: In Stock
Available Color: WHITE, PRINT
Available Size: XS, S, M, L
Product Badge:- Ships Free