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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Colette Floral Ruffle Formal Dress
Special Occasion
Light, romantic, and made for twirling through the evening, the Colette floral dress brings an effortlessly dreamy feel to every special occasion. Designed in airy mesh fabric with cascading tiered ruffles, this A-line gown features delicate straps, a lace-up back, and a high front slit that adds just the right amount of drama.
Fit & Features
- Mesh-lined fabric with floral print
- V-neckline with ruched bust detail
- Lace-up back, zipper and hook-eye closure
- Tiered ruffle A-line silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Bridal celebrations, engagement parties, vacations, honeymoons, garden parties, afternoon tea, formal birthday brunches, anniversaries, derby days, and fashion-forward events.
Style Number/Barcode: 05002-001438
Category Name: Summer Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Kasey Floral Rhinestone Formal Dress
Special Occasion
The Kasey floral mesh mermaid gown blends soft romance with a sculpted, body-skimming fit. The ruched detailing, delicate shimmer accents, and lace-up back create a look that feels equal parts polished and unforgettable.
Fit & Features
- Floral print mesh fabric with lining, rhinestone embellished
- Cowl neckline, spaghetti straps, padded bra cups
- Lace-up open back
- Ruched mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Destination weddings, vacations, honeymoons, anniversaries, cocktail parties, birthday dinners, and summer black-tie events.
Style Number/Barcode: 05002-001602
Category Name: Summer Formal Dresses
Price: $84.90
Availability: In Stock
Available Color: CORAL
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Analia Chiffon Halter Cutout A-Line Dress
Special Occasion
Designed for the kind of entrance that lingers long after you leave, the Analia dress brings effortless drama to every formal occasion. This airy chiffon A-line dress features a striking halter neckline, plunging cutout detail, open back, and flowing skirt that moves beautifully from cocktail hour to the last dance.
Fit & Features
- Sheer chiffon fabric with full-length lining
- Sleeveless high halter neckline, plunging front cutout
- Tie-back halter spaghetti straps, open back, lower zipper with hook-eye closure
- Pleated waist
- Floor-length hem with high-cut front slit
- Flowy A-line silhouette
- Runs true to size
Where to Wear:
Vacation dinners, engagement parties, bridal showers, rehearsal dinners, black-tie galas, evening dinners, and rooftop parties.
Style Number/Barcode: 05002-001451
Category Name: Summer Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: RUST, IVORY
Available Size: XS, S, M, L
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Angelina Satin Tie-Back Floral Sequin Formal Dress
Special Occasion
The Angelina floral sequin formal dress is a recipe for instant elegance and grace at events or parties! Bloom with beauty in this strapless gown with a satin tie-back design and a high front slit perfect for showing off your heels.
Steal the spotlight in this elegant dress! Keep shining with more show-stopping formal dresses or captivating white prom dresses.
Fit & Features
- Floral pattern, sequin embellished, stretchy knit lining
- Strapless satin sweetheart pleated neckline, padded bra cups
- Satine tie-back design, lower zipper and hook-eye closure
- High front slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, garden parties, weddings, fancy dinner parties
Style Number/Barcode: 05002-000792
Category Name: Summer Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: YELLOW, IVORY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Judy Open Back Slit Mermaid Satin Formal Dress
Special Occasion
Get ready for gram-worthy pics in the Judy satin formal dress all night! Boasting an open cross-back strappy design that turns heads and a mermaid silhouette with a high slit that perfectly flaunts your figure.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Stretch satin fabric with full-length knit lining
- Sleeveless halter plunge V-neckline, padded bust
- Open back with cross-back strappy design, lower back zipper with hook-eye closure
- Pleated waist
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Bridal celebrations, black-tie parties, weddings, and red-carpet events, rehearsal dinners, engagement parties, formal celebrations
Style Number/Barcode: 05002-9690
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK, ROYAL, PINK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Kailany Floral Ruffle Slit Formal Dress
Special Occasion
Let the Kailany charm you with beautiful, cascading ruffles and a delicate floral print while the high side slit offers an alluring show of leg along the floor-length silhouette.
Fit & Features
- Floral print, airy mesh fabric, smooth knit stretchy lining
- Strapless neckline
- Hidden side zipper and hook-eye closure
- Cascading ruffles
- High side slit
- Form-hugging silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridal showers, garden parties, birthdays, date nights, engagement photoshoots, baby showers, dressy brunches, milestone celebrations, dinner parties
Style Number/Barcode: 05002-000305
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLUE, SAGE
Available Size: XS, S, M, L, XL
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Glow Goddess Strappy Back Metallic Knit Maxi Dress
Achieve a glowing radiance in this metallic knit maxi dress for vacation or sunset cocktails! Featuring a seductive plunge cowl halter neckline and a form-hugging silhouette, this dress accentuates your curves with effortless elegance while the back slit offers easy movement.
Fit & Features
- Metallic knit fabric, knit lining, moderate stretch
- Plunge cowl halter neckline
- Adjustable strappy open back
- Form-hugging silhouette
- Back slit, maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-001144
Category Name: Summer Formal Dresses
Price: $44.90
Availability: In Stock
Available Color: ROSE, GOLD
Available Size: XS, S, M, L
Product Badge:- Sale
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Elaine Jacquard Mesh Mermaid Dress
Special Occasion
Softly chic and subtly sultry, the Elaine jacquard mesh mermaid dress flows with an effortless elegance made for candlelit dinners and red-carpet moments alike. The ruched halter neckline and open-back detail bring just the right touch of allure.
Fit & Features
- Jacquard mesh fabric, moderate stretch
- Sleeveless scoop neckline, ruched bust, padded bra cups
- Spaghetti straps
- Open back, cross-back strappy design
- Lower back twisted strap, zipper and hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black-tie parties, red-carpet events, formal dinner parties, galas, and fancy soirees.
Style Number/Barcode: 05002-000435
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: IVORY, SAGE
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Lesley Satin Mermaid Formal Dress
Special Occasion
The Lesley satin mermaid gown skims every curve with an effortlessly polished finish. Featuring delicate tie shoulder straps and soft ruching through the bodice, it’s the kind of look that turns a simple RSVP into a full style moment.
Fit & Features
- Stretch satin fabric, knit lining
- Scoop neckline, padded bra cups
- Tie adjustable shoulder straps
- Back zipper hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie galas, formal milestone celebrations, anniversaries, rehearsal dinners, engagement parties, and big birthday events.
Style Number/Barcode: 05002-000684
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PINK, CHAMBRAY
Available Size: XS, S, M, L
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Layton Mesh One Shoulder Mermaid Formal Dress
Special Occasion
Striking yet refined, the Layton mesh mermaid gown is designed for entrances that feel confident and considered. A one-shoulder neckline with hardware inset meets a sculpting side cutout, while the sheer floor-length hem adds fluid movement with a modern edge.
Fit & Features
- Mesh fabric, partial knit lining, sheer finish
- One-shoulder neckline with hardware inset detail
- Side cutout accented with coordinating hardware
- Sheer mermaid floor-length hem
- Runs true to size
Where to Wear:
Black-tie weddings, formal galas, red-carpet events, award nights, upscale destination weddings and receptions, luxury rooftop hotel soirees, city formal events, elegant evenings
Style Number/Barcode: 05002-001694
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: WHITE, BLACK
Available Size: XS, S, M, L, XL
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Emmy Floral Cutout Formal Dress
Special Occasion
The Emmy dress is designed for moments when the room feels just a little brighter. Featuring a statement floral print and a sleek, floor-length mermaid silhouette, this strapless dress turns to reveal a striking cutout back with a hoop-strap insert for a modern, unforgettable finish.
Fit & Features
- Statement floral print, knit-lined fabric
- Strapless neckline, non-slip grip lining
- Hidden side zipper with hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, cocktail soirees, summer galas, destination celebrations, honeymoons, vacations, anniversary dinners, milestone parties, graduations
Style Number/Barcode: 05002-000878
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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Murielle Sequin Mermaid Formal Dress
Special Occasion
Designed to shimmer with every step, the Murielle sequin mermaid gown brings a sense of effortless glamour to the room. The sweetheart neckline and floor-length silhouette create a sleek, sculpted look that feels refined, confident, and unforgettable for formal occasions.
Fit & Features
- Sequin fabric with smooth, luminous finish, knit lining
- Sweetheart satin neckline, adjustable spaghetti straps
- Padded bra cups, back zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, big birthday events, formal celebrations, special date nights, upscale cocktail soiree
Style Number/Barcode: 05002-000958
Category Name: Summer Formal Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: In Stock
Available Color: LAVENDER
Available Size: L
Product Badge:- Sale
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Monica Chiffon Embellished Formal Dress
Special Occasion
The Monica dress moves with effortless grace, designed for evenings that call for elegance with a hint of sparkle. Crafted from flowing chiffon with an A-line, floor-length silhouette, it features a refined mock neckline, a sheer rhinestone-embellished faux-pearl waist accent, and a striking cross-open back, finished with a high front slit.
Fit & Features
- Chiffon fabric with lining
- High mock neckline with button closures
- Open cross-back strap design, hidden side zipper and hook-eye closure
- Sheer rhinestone and faux pearl embellished waist
- High front slit, A-line floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, spring galas, balls, formal celebrations, engagement parties, rehearsal dinners, anniversary dinners, milestone events, vacations, resorts, black tie occasions
Style Number/Barcode: 05002-001030
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW, LIGHT, BLUE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Linda Floral Beaded Column Formal Dress
Special Occasion
Graceful and quietly striking, the Linda beaded column dress is designed for moments that call for polished confidence and refined allure. A floral finish, high side slit, and sculptural cutout back create a silhouette that feels timeless yet unmistakably modern.
Fit & Features
- Sheer floral printed mesh fabric with full-length knit lining, high stretch
- All-over beaded and sequin embroidery
- Sleeveless square neckline, adjustable spaghetti straps
- Cutout back detail
- High side slit, long-length hem
- Column silhouette
- Runs true to size
Where to Wear:
Prom, weddings, receptions, galas, garden parties, rehearsal dinners, milestone celebrations, birthday events, and formal soirees.
Style Number/Barcode: 05002-001102
Category Name: Summer Formal Dresses
Price: $149.90
Availability: In Stock
Available Color: IVORY
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Alex Floral Tie-Back Formal Dress
Special Occasion
Softly sculpted and effortlessly striking, the Alex floral mesh gown is designed for the kind of entrance that feels both graceful and unforgettable. A V-neckline, adjustable spaghetti straps, and an open tie-back frame the silhouette, while princess seams and a mermaid floor-length shape create a beautifully contoured finish.
Fit & Features
- Floral mesh fabric, knit lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Open tie-back, lower zipper and hook-eye closure
- Princess seams down the front
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, destination events, engagement parties, formal celebrations
Style Number/Barcode: 05002-001297
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE, BERRY
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Kenzie Floral Formal Dress With Bag
Special Occasion
The Kenzie satin gown brings an effortless kind of glamour with its floral print and curve-skimming mermaid silhouette. The detachable spaghetti straps and matching clutch bag make it the kind of look that feels polished from ceremony to champagne toast.
Fit & Features
- Floral print, satin fabric, sewn-in short knit lining
- Square neckline, padded bra cups
- Detachable and adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid sheer mesh floor-length silhouette
- Runs true to size
- Includes a matching clutch bag with a drawstring closure
Where to Wear:
Weddings, black tie galas, engagement photoshoots, anniversaries, vacations, honeymoons, destination celebrations, fancy garden parties, big birthday events, fashion-forward occasions
Style Number/Barcode: 05002-001153
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: WHITE, PRINT, PRINT-2
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Averie Floral Lace Strapless Mermaid Dress
Special Occasion
The Averie gown captures that rare balance of romance and allure the moment you step into the room. Crafted in floral lace with a sculpting mermaid silhouette and a striking cutout back, it’s the kind of gown that turns a special invitation into a truly unforgettable night.
Fit & Features
- Floral lace fabric lined with smooth knit
- Strapless sweetheart neckline, twist accent, padded bra cups
- Cutout back with hook clasp closure strap
- Back zipper and hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, engagement parties, formal celebration dinners, cocktail receptions, and fancy birthday brunches.
Style Number/Barcode: 05002-001383
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PINK, SAGE, PERIWINKLE
Available Size: XS, S, M, L
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Kiki Floral Sequin Formal Dress
Special Occasion
When the invitation calls for something unforgettable, the Kiki gown answers with a silhouette that feels equal parts polished and romantic. Designed in a shimmering floral sequin knit with a sleek strapless neckline and curve-skimming mermaid shape, this floor-length gown finishes with a striking open back that lingers long after you’ve made your entrance.
Fit & Features
- Floral statement pattern, sequin fabric, knit lining
- Strapless neckline, padded bra cups
- Secure back clasp strap and cutout accent
- Side zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, bridal celebrations, formal garden parties, fancy brunches, spring galas, engagement parties, milestone celebrations, cocktail soirees
Style Number/Barcode: 05002-001448
Category Name: Summer Formal Dresses
Price: $129.90
Availability: In Stock
Available Color: WHITE, PRINT
Available Size: XXS, XS, S, M, L
Product Badge:- Ships Free
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Summer Tropical Strappy Formal Dress
Special Occasion
The Summer dress pairs a sleek satin mermaid fit with a bold tropical floral print that feels equal parts polished and unforgettable. Mini rhinestone embellishments catch the light with every step, while the strappy back detail adds an unexpected, head-turning finish.
Fit & Features
- Tropical floral print, smooth-lined knit fabric with stretch
- Mini rhinestone embellishments
- Strapless neckline, non-slip grip lining, padded bra cups
- Bungee strappy back with mini hoop inserts
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Destination weddings, honeymoons, vacations, resorts, outdoor soirees, prom
Style Number/Barcode: 05002-001532
Category Name: Summer Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M, L, XL
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Juliette Chiffon Lace Formal Dress
Special Occasion
The Juliette formal dress is made for twirling entrances and lingering compliments. Crafted from airy chiffon with delicate lace accents, this floor-length A-line gown features a plunging V-neckline, a lace-up back, and cascading tiered ruffles that bring beautiful movement to every step.
Fit & Features
- Chiffon and lace trim fabric, woven lining, no stretch
- Halter V-neckline, tie straps, padded bra cups
- Open back
- Tiered ruffled A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridal celebrations, bridesmaids, engagement photoshoots, rehearsal dinners, anniversaries, honeymoons, vacations, formal celebrations, garden parties, and cocktail soirees.
Style Number/Barcode: 05002-001660
Category Name: Summer Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: IVORY, SAGE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Jianne Formal Lace-Up Back Long Dress
Special Occasion
Dare to turn heads in the beyond gorgeous Jianne formal lace-up back long dress! Destined to catch every eye in the room, this gown boasts a flattering curve-hugging silhouette and floor-sweeping hem that gives dramatic flair with each step.
Fit & Features
- Smooth stretchy knit fabric, mini-length knit lining
- V-neckline, padded bust, tank shoulder straps
- Open back, cross-back lace-up strappy design, tie closure
- Lower back ruching, hidden zipper, hook and eye closure
- Floor-sweeping hem, thigh-high side slit, curve-hugging fit
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, red carpet occasions, rehearsal dinners, engagement parties, anniversaries, birthday events, formal soirees
Style Number/Barcode: 05002-8885
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: YELLOW, PINK
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Beth Floral Mermaid Formal Dress
Special Occasion
Romantic and refined, the Beth floral mesh mermaid gown feels made for unforgettable entrances and candlelit celebrations. The strapless sweetheart neckline and floor-length silhouette create a graceful shape that feels timeless yet striking.
Fit & Features
- Floral garden print, airy mesh-lined fabric with stretch
- Strapless sweetheart neckline with a sculpted, padded bust
- Hidden side zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Garden or estate weddings, bridal celebrations, galas, fancy receptions, formal dinner parties, outdoor ceremonies, elegant date nights, anniversaries, milestone birthdays
Style Number/Barcode: 05002-000700
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L, XL
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Madi Floral Print Mermaid Formal Dress
Special Occasion
Soft yet striking, the Madi formal dress brings a romantic flourish with its bold floral print and sculpted mermaid silhouette. The v-neckline and open tie back create a beautifully balanced moment—equal parts effortless and unforgettable for evenings that call for standout elegance.
Fit & Features
- Smooth knit fabric with large floral print, full knit lining
- V-neckline, padded bra cups, spaghetti straps
- Sleeveless design
- Open back with tie detail
- Mermaid silhouette that flares into a floor-length hem
- Runs true to size
Where to Wear:
Weddings, destination events, galas, cocktail receptions, anniversaries, milestone celebrations, birthday dinners, cultural soiree, luxury vacation dinners, holiday parties
Style Number/Barcode: 05002-000720
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L, XL
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Ariyah Satin Halter Mermaid Dress
Special Occasion
Designed to glide with every step, the Ariyah satin mermaid dress delivers sleek drama with a polished finish. A halter neckline and sculpted plunge bodice create a confident silhouette that feels modern, chic, and ready for elevated occasions.
Fit & Features
- Satin knit fabric with full-length knit lining, high stretch
- Sleeveless V-neckline, padded bust
- Halter strap with bar closure
- Corset-inspired front seam design
- Open back with lower strap and bar closure, lower back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, black-tie parties, galas, dressed-up dinners, formal birthday celebrations, and chic soirees.
Style Number/Barcode: 05002-000740
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW, BROWN
Available Size: S, L, XS, M, XL