Summer Formal Dresses
Planning for a special occasion in the warmer seasons? Explore our collection of elegant summer formal dresses, perfect for destination weddings, birthday celebrations, and galas. Our breathtaking assortment includes formal maxis, A-line midi dresses, and stunning sequin cocktail dresses, perfect for any soiree. Accentuate your curves with a timeless mermaid gown accented with rhinestones or ruched to perfection in luxe satin. Or make a statement with our elegantly flowing A-line tulle dresses for dreamy ethereal vibes, perfect for a boho-style wedding. For those who love to intermix elegance with trend, consider dresses featuring alluring cut-outs, or dramatic ruffle tiers for a stand-out look.
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Summer Formal Dresses
Product Recommendations
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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Justine V-Neck Mermaid Formal Dress
Special Occasion
The Justine formal dress is the epitome of sleek sophistication with a ruched mermaid silhouette that highlights your natural curves down to the floor-length hem!
Rich, radiant, and effortlessly glamorous—this dress was made to stand out. Keep the regal energy going with our stunning purple prom dresses or embrace glam and elegance with formal dresses.
Fit & Features
- Slinky knit fabric, stretchy knit lining, moderate stretch
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, formal milestone celebrations, black tie events
Style Number/Barcode: 05002-9416
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: LAVENDER, LIGHT, BLUE
Available Size: XS, S, M
Product Badge:- Ships Free
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Rosalee Lace-Up Floral Mesh Formal Dress
Special Occasion
Blooming with romantic beauty, the Rosalee floral mesh formal dress blossoms with a lace-up back that turns heads and a floor-length hem with a train for dramatic flair.
Fit & Features
- Floral print, embroidery detail, mesh fabric, stretch knit linings
- Cowl neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Form-hugging silhouette
- Floor-length hem with train
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, formal celebrations, spring cocktail parties, graduations
Style Number/Barcode: 05002-9423
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S
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Gabby Formal Mesh Strapless Ruffle Long Dress
Special Occasion
The Gabby formal long dress gives an aurora of dreamy romance with flirty ruffles, a high side slit for movement, and a form-hugging silhouette.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Strapless neckline, non-slip grip lining
- Side zipper and hook-eye closure
- Asymmetrical ruffle trim throughout
- Form-hugging silhouette, high side slit
- Runs true to size
Where to Wear:
Formal dances, weddings, bridesmaids, garden parties, fancy dates, black tie galas, big birthday events, anniversaries, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-7801
Category Name: Summer Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: PINK, YELLOW, BROWN
Available Size: XS, S, M, L
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Lauren Strapless Wrap Slim Satin Formal Dress
Special Occasion
A stunning satin formal dress features a strapless neckline with padded bra cups for support, a side pleated seam, and a high front wrap slit along a slim silhouette. The silky satin fabric offers a subtle sheen effect and stretch.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Silky satin fabric, minimal stretch
- Strapless neckline, padded bra cups
- Side pleated seam
- High front wrap slit
- Slim floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8281
Category Name: Summer Formal Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: MOCHA, NAVY
Available Size: XS, S, M, L
Product Badge:- Sale
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Alanna Ruffled Lace Corset Mermaid Dress
Special Occasion
Showcase your romantic flair in the Alanna formal mermaid dress that features a sleeveless sweetheart neckline with a built-in padded bust, a chic corset bodice, and adjustable spaghetti straps detailed with cascading ruffled accents. The floor-length mermaid silhouette will hug your stunning curves. Complete your look with dainty duster earrings.
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Sheer floral lace fabric with knit lining, moderate stretch
- Sweetheart neckline with padded bust, no-slip strip
- Corset bodice, angled high waist seam
- Back zipper with hook-eye closure
- Adjustable spaghetti straps, ruffled accents
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8737
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: ROSE
Available Size: XS, S
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Charmaine Off-The-Shoulder Floral Formal Dress
Special Occasion
The romantic Charmaine floral formal dress is a breezy-chic style with a flattering mermaid silhouette and flirty ruffle detailing for a cute flounce with every step!
Fit & Features
- Floral print, mesh fabric, stretch knit lining
- Ruffled off-the-shoulder neckline, padded bra cups
- Back zipper and hook-eye closure
- Mermaid silhouette
- Ruffled detailing
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, shower celebrations, birthdays, graduations
Style Number/Barcode: 05002-9393
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLUE
Available Size: XS, S
Product Badge:- Ships Free
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Sophina Cold Shoulder Pearl Beaded Sequin Formal Dress
Special Occasion
The most glamorous event calls for the Sophina formal dress decorated with faux pearls, beading, and sequin embellishments along the figure-flaunting mermaid silhouette.
Fit & Features
- Faux pearls, beading, sequin embellishments
- Mesh lined fabric with stretchy knit
- Cold shoulder neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, red-carpet events, black tie weddings, fancy soirees
Style Number/Barcode: 05002-9592
Category Name: Summer Formal Dresses
Price: $89.97 $189.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Elenora Lace-Up Mermaid Satin Formal Dress
Special Occasion
The Elenora satin formal dress is destined to be your luxurious go-to for unforgettable evenings! Turn heads with the lace-up back design and a high front slit that offers effortless movement.
Fit & Features
- Stretch satin fabric lined with stretchy knit
- Strapless neckline, padded bra cups, flexible boning
- Lace-up back, zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, glamorous events, fancy parties
Style Number/Barcode: 05002-9678
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: GOLD
Available Size: XS, S
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Candence Corset Mermaid Lace Formal Dress
Special Occasion
Dainty lace and delicate details create the Candence lace formal dress that will leave everyone breathless! Designed with a chic corset bodice that flatters your figure, along with the mermaid silhouette with a high front slit for effortless movement.
Fit & Features
- Lace fabric lined with stretchy knit
- Off-the-shoulder neckline, padded bra cups
- Corset bodice, flexible boning inserts, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, elegant soirees, formal celebrations
Style Number/Barcode: 05002-9715
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PINK
Available Size: XS
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Blissful Aura Floral Ruffle Maxi Dress
Serve a blissful aura in this floral maxi dress while on vacation or for weekend fun! The delicate V-neckline accentuates your figure, while the form-hugging fit flatters your curves with a bold ruffled design.
Fit & Features
- Floral print, mesh fabric, sewn-in knit lining
- V-neckline, spaghetti straps
- Form-hugging bodice
- Ruffled maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-000054
Category Name: Summer Formal Dresses
Price: $23.97 $52.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Alaine Lace-Up Slit Mermaid Satin Formal Dress
Special Occasion
Sleek, chic, and ultra-flattering. The Alaine satin formal dress is the most elegant choice for your next occasion! This dress is designed with a lace-up back while the high front wrap slit and mermaid silhouette hugs your curves in all the right places.
Fit & Features
- Stretch satin fabric, stretchy knit lining
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, rehearsal dinner, engagement parties, black tie galas, formal occasions and parties
Style Number/Barcode: 05002-000057
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M
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Isa Floral Cowl Neck Slit Formal Dress
Special Occasion
Indulge in timeless elegance with the Isa floral formal dress. This stunning dress features a sultry cowl neck and a flattering curve-hugging fit. The high front slit adds a touch of allure to the floor-length hem for a hint of drama.
Fit & Features
- Floral print, smooth knit-lined fabric
- Cowl neckline
- Adjustable spaghetti straps
- Side pleated hip seam, high front slit
- Curve-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, milestone celebrations, dressy cocktail soirees, birthday dinners
Style Number/Barcode: 05002-000098
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: DENIM, RUST
Available Size: XS, S, M, L, XL
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Delia Formal Cowl Neck Long Dress
Special Occasion
Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening!
Fit & Features
- Lined smooth knit fabric, moderate stretch
- Sleeveless cowl neck, pleating
- Spaghetti straps, lace-up back
- Mermaid silhouette
- High front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights.
Style Number/Barcode: 05002-7146
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK, MAUVE
Available Size: XS, S, M, L, XL
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Fay Off The Shoulder Faux Pearl Mermaid Dress
Special Occasion
The long formal dress features an off-the-shoulder neckline with cold shoulder strap accents, a sweetheart bust, faux pearls throughout, and a mermaid silhouette accented with a high-side slit. Complete the outfit with a sleek metallic clutch.
Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.
Fit & Features
- Lined mesh fabrication, moderate stretch
- Off-the-shoulder neckline, cold shoulder strap accents, padded bra cups
- Sweetheart bust
- Back zipper and hook-eye closure
- Faux pearls
- High side slit
- Long hem length, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8860
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: IVORY, HUNTER, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Fiona Lace-Up Mermaid Sequin Formal Dress
Special Occasion
The Fiona sequin formal dress will have you looking your most glamorous. Flaunting a floor-length hem, this dress is designed with a lace-up back that turns heads and a mermaid silhouette that perfectly accentuates your curves.
Fit & Features
- Sequin embellished, embroidery, mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Brides, big milestone celebrations, galas, black tie parties
Style Number/Barcode: 05002-9020
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M
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Frida Strapless Mermaid Lace Formal Dress
Special Occasion
Celebrate the beauty of the moment in the Frida lace formal dress. Capture the romantic feel of this chic dress designed with a curve-hugging mermaid silhouette and floor-length hem that brings a hint of drama.
Fit & Features
- Floral lace pattern fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Flexible boning inserts in the bodice
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, brides, weddings, engagement parties, rehearsal dinners, bridal showers, wedding showers, formal occasions and events
Style Number/Barcode: 05002-9146
Category Name: Summer Formal Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Emely Lace-Up Mermaid Floral Satin Formal Dress
Special Occasion
The prettiest florals on silky satin fabric, the Emely formal dress epitomizes bliss! Boasting a lace-up back that turns heads and a mermaid silhouette that effortlessly flaunts your curves.
Fit & Features
- Floral print, premium satin fabric
- V-neckline
- Spaghetti straps
- Lace-up back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, big milestone events, spring galas, fancy parties
Style Number/Barcode: 05002-9307
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M
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Lova Off-The-Shoulder Corset Satin Formal Dress
Special Occasion
When it comes to elegance, the Lova satin formal dress is the perfect fit. Designed with an alluring off-the-shoulder neckline and a sculpted corset bodice, this dress accentuates your curves in all the right places.
Fit & Features
- Premium satin fabric, sewn-in knit lining
- Off-the-shoulder neckline
- Back zipper and hook-eye closure
- Corset bodice, flexible boning inserts
- High front wrap slit
- Form-hugging fit, flared floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black tie soirees, galas, garden parties, formal celebrations, dressed up date nights
Style Number/Barcode: 05002-9447
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S
Product Badge:- Ships Free
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Phoebe Off-The-Shoulder Lace-Up Satin Formal Dress
Special Occasion
Complete the romantic vibe of any occasion in the Phoebe satin formal dress boasting a sultry off-the-shoulder neckline with applique trim and a striking lace-up back that captures all the attention!
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
- Premium satin fabric
- Off-the-shoulder neckline, applique trim, short-sleeve cuffs
- Lace-up back
- High side slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, dressed-up dates, fancy celebrations, and formal events.
Style Number/Barcode: 05002-9612
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: SAGE
Available Size: S
Product Badge:- Ships Free
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Nicollet Lace-Up Mermaid Floral Formal Dress
Special Occasion
The Nicollet formal dress exudes feminine glamour with a floral design on a curve-hugging mermaid silhouette finished with a lace-up back to turn heads!
Fit & Features
- Floral design accents, mesh fabric lined with stretch knit
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, garden parties, dressed up birthdays, fancy date nights
Style Number/Barcode: 05002-9645
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: BLUSH
Available Size: S, M
Product Badge:- Ships Free
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Now In Bloom Open Back Floral Maxi Dress
A sultry open back you'll adore with chic floral blooms! This maxi dress captures attention with its flattering cowl neckline and curve-hugging silhouette, perfect for shower celebrations and dressy events!
Fit & Features
- Floral print, mesh-lined fabric
- Cowl neckline
- Spaghetti strap ties
- Open back
- Curve-hugging silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-000023
Category Name: Summer Formal Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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With Love Lace Cutout Floral Slit Maxi Dress
Slip into this sultry floral maxi dress designed with a romantic lace sweetheart bust and bold back cutout with a flirty high side slit.
Fit & Features
- Floral print, mesh-lined fabric
- Lace sweetheart bust, cutout accent, lace shoulder straps
- Back cutout with hook closure
- Form-hugging silhouette
- High side slit
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-000043
Category Name: Summer Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Abby Cowl Neck Mermaid Formal Dress
Special Occasion
The Abby formal dress is beautifully cut to hug your body in a mermaid silhouette and captivate with a floor-length hem.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Cowl neckline, wide shoulder straps
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, galas, garden parties, black tie parties, fancy date nights
Style Number/Barcode: 05002-000044
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: MAUVE
Available Size: S
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Maylah Off-The-Shoulder Mermaid Dress
Special Occasion
Sleek and oh-so-stunning, the Maylah mermaid dress will serve chic allure with its off-the-shoulder neckline and floor-length curve-hugging silhouette. Style with a rhinestone necklace and stiletto heels.
Fit & Features
- Smooth knit fabric, high stretch
- Straight neckline, off-the-shoulder straps
- Ruched bust, padded bra cups
- Mermaid silhouette
- Floor-length hem, pleating
- Runs true to size
Where to Wear:
Weddings, black-tie parties, galas, and formal dinners.
Style Number/Barcode: 05002-000300
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: HUNTER, PURPLE
Available Size: XS, S, M, L, XL