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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Cocktail Hour Strapless Satin Slit Midi Dress
The perfect satin strapless midi dress for cocktail hour features a pleated neckline, a form-hugging fit, and a flirty side slit. Pair with stiletto pumps and a martini!
Fit & Features
- Silky satin fabric, sewn-in knit lining
- Strapless pleated neckline, padded bra cups
- Back zipper and hook-eye closure
- Form-hugging fit
- Side slit
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-3895
Category Name: Summer Formal Dresses
Price: $9.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Clarabelle Sweetheart A-Line Midi Formal Dress
Special Occasion
Romantic and structured, the Clarabelle midi formal dress sculpts and flatters your figure with a sweetheart-fitted bodice and a drop waist seam that perfectly accentuates your waistline along the A-line silhouette.
Fit & Features
- Floral and fruit garden print
- Organza fabric, multiple woven and tulle linings
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps, back zipper and hook-eye closure
- Fitted bodice, drop waist seam
- A-line silhouette, midi-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, fancy parties, milestone celebrations, spring galas
Style Number/Barcode: 05001-2725
Category Name: Summer Formal Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Special Something Off-The-Shoulder Floral Midi Dress
Look iconic all season long in this off-the-shoulder floral midi dress as a gorgeous wedding guest or attending a garden party!
Fit & Features
- Floral print, smooth knit stretchy fabric
- Off-the-shoulder neckline
- Short-sleeve cuffs
- Bodycon silhouette
- Flared midi-length hem
- Runs true to size
Style Number/Barcode: 05101-000030
Category Name: Summer Formal Dresses
Price: $9.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Abigail V-Neck Strappy Satin Midi Dress
Special Occasion
Everyone will stop and stun at you in the Abigail satin midi dress! Crafted from silky satin fabric that flaunts your curves in a form-hugging fit, this dress effortlessly captures the attention of the room.
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
- Satin fabric, sewn-in knit lining
- V-neckline, padded bra cups
- Strappy back
- Side slit
- Form-hugging fit
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties and photoshoots, bridal showers, birthdays, dinner parties, date night, black tie gala
Style Number/Barcode: 05001-000205
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: WHITE, BLACK
Available Size: XS, S, M, L, XL
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Bennet Lace Trim Satin Midi Dress
Special Occasion
Create a gorgeous look in the Bennet midi dress designed with sleek stretch satin fabric and a dainty lace trim at the bust. The front keyhole cutout and high-cut slit add a chic allure to the fitted silhouette.
Fit & Features
- Stretch satin fabric, full-length knit lining
- Sleeveless V-neckline, sheer lace trim, padded bust
- Keyhole cutout below the bust, high waist seam
- Adjustable spaghetti straps, back zipper with hook-eye closure
- Pleating at the waist, high front slit
- Midi-length fitted silhouette
- Runs true to size
Where to Wear:
Weddings, cocktail parties, fancy date nights, and dinner parties.
Style Number/Barcode: 05001-2638
Category Name: Summer Formal Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Trina Floral Mermaid Formal Dress
Special Occasion
Float through the soirée like a total dream in the Trina floral formal dress! With soft ruching, a strapless neckline, and a sculpted mermaid silhouette, this gown was made for golden hour glam and picture-perfect moments.
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Flexible boning inserts
- Back zipper and hook-eye closure
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, summer galas, garden parties, date nights, fancy celebration parties, formal soirees
Style Number/Barcode: 05002-000095
Category Name: Summer Formal Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Barely Blushing Floral Mini Dress
Soft girl, but make it sultry. This floral mini dress clings in all the right ways, with delicate straps and a dreamy texture that feels flirty but effortless!
Fit & Features
- Floral print, burnout texture, mesh fabric, stretchy knit lining
- Scoop neckline
- Adjustable spaghetti straps
- Bodycon silhouette
- Mini-length hem
- Runs true to size
Style Number/Barcode: 05101-000165
Category Name: Summer Formal Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Blake Mesh Halter Slit Ruffle Formal Dress
Special Occasion
Made for those sweeping entrances, the Blake mesh halter gown stuns with a form-hugging ruffled silhouette, a daring high side slit, and a floor-length hem that moves with polished drama.
Fit & Features
- Mesh fabric, sewn-in soft knit lining, stretchy
- Halter neckline with tie closure
- Hidden side zipper and hook-eye closure
- High side slit
- Ruffled, form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, formal galas, rehearsal dinners, engagement parties, dressy date nights, cocktail soirees, black tie events
Style Number/Barcode: 05002-000425
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW, PINK
Available Size: XXS, XS
Product Badge:- Back In Stock
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Jenna Floral Bead Mermaid Formal Dress
Special Occasion
Softly romantic with a refined edge, the Jenna floral sequin beaded gown is made for moments that feel truly special. A sleek strapless neckline flows into a mermaid silhouette, while the cutout back adds an unexpected finish that feels polished and unforgettable.
Fit & Features
- Floral pattern, delicate beading, mesh lined knit fabric
- Strapless neckline, padded bra cups, non-slip grip lining
- Cutout back with clasp closure strap
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, bridal celebrations, fancy baby showers, engagement parties, garden parties, gala events, formal celebrations, rehearsal dinners, dressy brunches, spring holidays
Style Number/Barcode: 05002-001096
Category Name: Summer Formal Dresses
Price: $39.97 $169.90
On Sale: Yes
Availability: In Stock
Available Color: LAVENDER
Available Size: XXS, XS, S, M
Product Badge:- Sale
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Kelsey Sequin Floral Slit Formal Dress
Special Occasion
Designed for entrances that linger, the Kelsey sequin mermaid gown moves with a soft, romantic fluidity that feels instantly elevated. A floral pattern, lace-up back, and high side slit bring polish with just enough allure for unforgettable moments.
Fit & Features
- Floral pattern, sequin fabric, knit lining
- V-neckline, padded bra cups, spaghetti straps
- Lace-up back design, zipper and hook-eye closure
- High side slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, resort soirees, fancy milestone celebrations, red-carpet occasions, balls, anniversaries, garden parties
Style Number/Barcode: 05002-001424
Category Name: Summer Formal Dresses
Price: $39.97 $99.90
On Sale: Yes
Availability: In Stock
Available Color: PINK
Available Size: XXS, XS, S, M
Product Badge:- Sale
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Spring Muse Floral Midi Dress
Soft florals and a sleek silhouette make this one an instant favorite. This strapless floral eyelet bodycon midi dress hugs your curves and adds a polished look for brunch, garden parties, and getaways.
Fit & Features
- Ditsy floral print, eyelet knit fabric, soft lining
- Strapless tube neckline
- Bodycon fit
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05102-000570
Category Name: Summer Formal Dresses
Price: $19.97 $35.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Stevie Off-The-Shoulder Formal Dress
Special Occasion
The Stevie gown pairs luminous satin with a sculpted mermaid silhouette that flatters from every angle. The beaded applique adds soft dimension, while the lace-up back brings a touch of drama that feels equal parts refined and unforgettable.
Fit & Features
- Stretch satin fabric, knit lining
- Off shoulder neckline, padded bra cups, non-slip grip lining
- Beaded appliqué detailing
- Lace-up back, zipper and hook-eye closure
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, prom, ballroom events, big birthday events, formal celebrations, red-carpet occasions
Style Number/Barcode: 05002-000999
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: SAGE, YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Danielle Satin Abstract Column Formal Dress
Special Occasion
An effortless showstopper designed for your most RSVP-worthy moments, the Danielle abstract satin column gown moves with a fluid, light-catching drape. The open lace-up back adds a striking finish, balancing soft elegance with a hint of allure.
Fit & Features
- Premium satin fabric, abstract print, bust lining
- Cowl halter neckline
- Open lace-up back design, zipper and hook-eye closure
- Column floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, cocktail parties, black tie galas, rehearsal dinners, engagement parties, birthday dinners, vacations, resort destinations, anniversaries
Style Number/Barcode: 05002-000773
Category Name: Summer Formal Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Vacation Glow Floral Satin Maxi Dress
This is the satin maxi dress that quietly steals the whole moment. Silky, draped, and barely-there in the back, this floral dress moves like you planned the entrance—even if you didn’t.
Fit & Features
- Floral print, silky satin fabric
- Cowl neckline
- Spaghetti straps
- Open cross back design
- Curve-hugging silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-000811
Category Name: Summer Formal Dresses
Price: $45.90
Availability: In Stock
Available Color: PINK
Available Size: XXS, XS, S, M, L
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Amy Floral Rhinestone Mesh Formal Dress
Special Occasion
Made for the kind of entrance that lingers, the Amy mesh mermaid gown shimmers with all-over mini rhinestone embellishments and a tropical floral print that feels both bold and refined. A scoop neckline, delicate spaghetti straps, and lace-up open back contour into a ruched, floor-length silhouette designed to captivate from every angle.
Fit & Features
- Tropical floral print, mini rhinestone embellishments
- Mesh-lined fabric with high stretch
- Scoop neckline, padded bra cups, spaghetti straps
- Lace-up open back
- Ruched mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, vacations, destination weddings, honeymoons, resorts, sunset receptions, birthday dinners, date nights, engagement parties
Style Number/Barcode: 05002-001331
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M
Product Badge:- Ships Free
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Soft Sculpt A-Line Mini Tube Dress
Fit & Features
- Smooth knit fabric with knit lining, high stretch
- Strapless straight-across neckline
- Open cross-back strappy design
- Ruched detailing
- Mini-length hem
- Fitted A-line silhouette
- Runs true to size
Style Number/Barcode: 05103-000872
Category Name: Summer Formal Dresses
Price: $38.90
Availability: In Stock
Available Color: WHITE
Available Size: XS, S, M, L
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Ashlee Lace Halter Mermaid Formal Dress
Special Occasion
The Ashlee mermaid gown drapes with a soft lace cowl halter neckline that feels equal parts romantic and refined. A pleated waist sculpts the silhouette before flowing into a floor-length finish, creating a look that’s impossible to forget.
Fit & Features
- Smooth knit-lined stretchy fabric
- Lace cowl halter neckline, tie straps
- Pleated waist
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, rehearsal dinners, engagement parties, anniversaries, fancy brunches, afternoon tea, garden parties, graduations, formal milestone parties, birthdays
Style Number/Barcode: 05002-001752
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Jennie Satin A-Line Lace-Up Formal Dress
Special Occasion
Jennie satin A-line gown skims the body before flowing into a soft, sweeping hem. The lace-up back and cascading ruffle detail bring just the right amount of drama—perfect for when you want to feel polished yet a little undone, in the best way.
Fit & Features
- Premium satin fabric, woven lining
- Cowl neckline, spaghetti straps
- Hidden side zipper and hook-eye closure
- Lace-up open back
- High front ruffled slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black tie galas, formal milestone celebrations, engagement parties, destination events, anniversaries, big birthday parties, fancy showers
Style Number/Barcode: 05002-000894
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XL
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Sarah Chiffon Ruffle A-Line Formal Dress
Special Occasion
Float through every entrance in this effortlessly romantic Sarah chiffon A-line gown, designed to catch every glance. The halter keyhole neckline and softly layered ruffled hem bring just the right amount of movement—perfect for that RSVP that calls for something unforgettable.
Fit & Features
- Chiffon-lined fabric
- Halter keyhole neckline
- A-line silhouette
- Ruffled floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, formal galas, upscale birthday events, garden parties, rehearsal dinners, engagement parties, milestone celebrations, summer soirees
Style Number/Barcode: 05002-001320
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Arielle Strapless Mermaid Formal Dress
Special Occasion
Made for candlelit entrances and compliments that follow you across the room, this strapless gown delivers sleek glamour with a sculpted fit. The ruched mermaid silhouette and cascading side sash create elegant movement with every step.
Fit & Features
- Slinky knit stretchy fabric with sheen effect
- Strapless neckline
- Front sash wrap waist
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black tie galas, formal milestone parties, rehearsal dinners, anniversaries, vacations, destination celebrations, fancy occasions
Style Number/Barcode: 05002-001703
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW, WINE
Available Size: XS, M, L, XL, S
Product Badge:- Best Seller
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Natalia Floral Halter Formal Dress
Special Occasion
Like wearable artwork made for golden hour arrivals, the Natalia floral mermaid gown brings soft romance and sculpted elegance together in one unforgettable silhouette. Designed with a plunging halter neckline, open strappy back, and dreamy oversized floral print, it’s the kind of look that turns every entrance into a moment.
Fit & Features
- Floral pattern, knit stretchy fabric
- Halter neckline, padded bra cups
- Open back, bar accent straps and hook closure strap
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, vacations, anniversaries, formal milestone parties, honeymoons, destination celebrations, cocktail soirees, birthday dinners
Style Number/Barcode: 05002-000881
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: LAVENDER, FUCHSIA
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Priscilla Floral Chiffon Formal Dress
Special Occasion
Light, floaty, and made for twirling through every RSVP moment, the Priscilla floral gown brings effortless romance to the occasion lineup. The cascading ruffle slit, soft A-line fit, and flowy silhouette create a dreamy look that feels equally polished for garden ceremonies and sunset celebrations.
Fit & Features
- Floral print, chiffon fabric, smooth knit lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- High front ruffled slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, wineries, bridal showers, vacations, engagement parties, birthday dinners, dressy daytime events, cocktail soirees, resorts, destination celebrations
Style Number/Barcode: 05002-001158
Category Name: Summer Formal Dresses
Price: $84.90
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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McKenzie Floral Slit A-Line Formal Dress
Special Occasion
Softly draped and undeniably striking, the McKenzie floral dress was made for candlelit receptions, rooftop celebrations, and every entrance worth remembering. This floral mesh gown features an off-the-shoulder neckline, allover ruching, and a dramatic thigh-high slit that brings movement and modern romance to the silhouette.
Fit & Features
- Floral pattern, mesh-lined fabric
- Ruched off-the-shoulder neckline
- High front slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, summer galas, birthday dinners, cocktail soirees, garden parties, black tie celebrations, special date nights
Style Number/Barcode: 05002-001398
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L
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Maryanne Floral A-Line Formal Dress
Special Occasion
The Maryanna A-line dress brings effortless drama with every step. This satin column gown features an oversized floral print, a sleek halter neckline with hardware detail, and an open-back silhouette that's striking and bold.
Fit & Features
- Statement floral print, premium satin fabric, stretch knit lining
- Halter neckline with hardware insert, tie strap
- Open tie-back, lower zipper and hook-eye closure
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Outdoor weddings, vacations, honeymoons, resorts, cocktail parties, birthday dinners, milestone celebrations, summer date nights
Style Number/Barcode: 05002-000961
Category Name: Summer Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M, L