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Long Formal Dresses Australia – Prom & Evening Gowns

Shop long formal dresses Australia loves — discover elegant floor-length prom gowns, school formal dresses & statement eveningwear from leading Australian & international designers.

Explore long formal gowns for Year 10, Year 11 & Year 12 formals, prom, graduations, balls, black-tie events & special occasions across fitted, flowing & statement silhouettes.

From sleek satin & sculpted corsets to dramatic mermaid gowns, romantic A-line skirts & sparkling embellishment, discover a floor-length formal dress made for your moment.

Explore Long Formal Dresses

Searching for long formal dresses in Australia? One Honey Boutique curates designer floor-length formal gowns, prom dresses, school formal dresses & eveningwear for unforgettable events.

A long formal dress creates an elevated silhouette for Year 10, Year 11 & Year 12 formals, prom, graduation, university balls, galas, black-tie events, weddings & milestone celebrations.

Explore long formal gowns across fitted, mermaid, A-line, corset, strapless, backless & flowing silhouettes, with selected styles featuring satin, sequins, glitter, crystals, beading, tulle & statement embellishment.

Love a fitted floor-length silhouette? Explore our fitted formal dresses, or browse our mermaid formal dresses for sculpted gowns with dramatic skirts.

Prefer a romantic flowing gown? Discover our A-line formal dresses for elegant silhouettes, or explore our tulle formal dresses for soft layers, movement & volume.

Love a structured bodice? Browse our corset formal dresses for sculpted bodices & defined waists, or explore our strapless formal dresses for statement neckline styles.

Looking for movement & drama? Explore our leg split formal dresses for long gowns featuring statement thigh-high & side splits.

Prefer a luxe finish? Discover our satin formal dresses for smooth, luminous gowns, or browse our sequin formal dresses for high-impact sparkle.

Looking for something shorter? Explore our midi formal dresses & short formal dresses to shop formalwear by length.

Shopping for a school formal? Explore our school formal dresses Australia collection for designer Year 10, Year 11 & Year 12 gowns across colours, silhouettes & finishes.

One Honey is home to Australia's largest Dress Register, helping participating school formal customers reduce the chance of another registered One Honey customer from the same school selecting the same dress for their event.

Selected One Honey styles also offer Virtual Try-On, helping you visualise eligible long formal dresses & available colours as part of your online shopping experience before choosing your gown.

Need extended sizing? Explore our plus size formal dresses Australia collection for curve formal gowns & selected designer styles across extended size ranges.

For our complete national formalwear edit, browse formal dresses Australia for designer prom, school formal & evening dresses across lengths, colours, silhouettes & designers.

Complete your formal look with our clutch bags, formal jewellery & formal accessories.

Proudly Australian owned & trusted since 2011 with over 1,000+ 5-star reviews, One Honey Boutique is a trusted Australian destination for designer prom, school formal & occasion gowns.

Shop long formal dresses online with flexible payment options including Afterpay & Zip, with delivery available throughout Australia.

Need help choosing your size, checking availability or ordering for a fixed event date? Visit our Help Centre for sizing, availability & delivery support.

Make an unforgettable entrance — discover long formal dresses, floor-length prom gowns & designer eveningwear at One Honey Boutique.

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1628 products

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IN STOCKDISCONTINUEDSALESave 11%Honey Couture JUSTICE Blue Open Back Mermaid Evening Gown Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture JUSTICE Blue Open Back Mermaid Evening Gown Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 19%STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress in Australia | One Honey Boutique
Honey Couture STACY Emerald Green Halter Tie Up Bum Ruching Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$429.95 AUD Regular price$529.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 8%Honey Couture DANA Red Bum Ruching Cut Out Back Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture DANA Red Bum Ruching Cut Out Back Formal Dress (RED TAG FINAL SALE) Sale price$461.95 AUD Regular price$499.95 AUD
Color
IN STOCKSALESave 12%HUNTAR Silky Ruched Front Cross Over Bust Bridesmaid Formal Dress in Australia | One Honey Boutique
Honey Couture HUNTAR Sage Green Silky A Line Bridesmaid Formal Dress (RED TAG FINAL SALE) Sale price$379.95 AUD Regular price$429.95 AUD
Color
IN STOCKSALESave 12%Honey Couture HUNTAR Dusty Blue Green Silky A Line Bridesmaid Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture HUNTAR Dusty Blue Green Silky A Line Bridesmaid Formal Dress (RED TAG FINAL SALE) Sale price$379.95 AUD Regular price$429.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 8%Honey Couture COCO Emerald Green Low Back Bum Ruching Mermaid Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture COCO Emerald Green Low Back Bum Ruching Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$579.95 AUD Regular price$629.95 AUD
Color
IN STOCKDISCONTINUEDSALESold outSave 11%Honey Couture STEVIE Navy Blue Stretch Satin Corset Back Mermaid Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture STEVIE Navy Blue Stretch Satin Corset Back Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 11%Honey Couture STEVIE Green Stretch Satin Corset Back Mermaid Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture STEVIE Green Stretch Satin Corset Back Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 9%Honey Couture QUINN Off White Satin Lace Up Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture QUINN Off White Satin Lace Up Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 AUD
Color
IN STOCKSALESold outSave 6%THELMA Sequin Bustier Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture THELMA Emerald Green Sequin Bustier Corset Satin Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$749.95 AUD Regular price$799.95 AUD
Color
IN STOCKSALESave 9%TYRA Off - Shoulder Removable Strap Boned Corset Satin Bridesmaid Prom Dress in Australia | One Honey Boutique
Honey Couture TYRA Lips Soft Pink Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$529.95 AUD Regular price$579.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 9%SHARYN Strapless Silky Corset Bustier Strapless Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture SHARYN Ocean Blue Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 AUD
Color
IN STOCKSALESave 11%ZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Lilac Purple Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESold outSave 11%ZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Burgundy Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESold outSave 11%ZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Red Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESave 11%ZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Smokey Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESave 11%ZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Light Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALEOn saleZENDAYA Satin Corset Bustier Leg Split School Formal Dress in Australia | One Honey Boutique
Honey Couture ZENDAYA Olive Green Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale priceFrom $409.95 AUD Regular price$469.95 AUD
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USA SIZE 2 - 24DREYA Off White Glitter Corset Ball Gown Formal Dress in Australia | One Honey Boutique
DREYA Off White Glitter Corset Ball Gown Formal Dress Sale priceFrom $899.95 AUD
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USA SIZE 18 - 20Honey Couture ROSALIA Curve Lavender Silky A Line Formal Dress in Australia | One Honey Boutique
Honey Couture ROSALIA Curve Lavender Silky A Line Formal Dress Sale price$649.95 AUD
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USA SIZE 2 - 18Honey Couture MIST Smokey Blue Glitter Off The Shoulder A - Line Formal Dress in Australia | One Honey Boutique
Honey Couture MIST Smokey Blue Glitter Off The Shoulder A-Line Formal Dress Sale priceFrom $799.95 AUD
Color
USA SIZE 2 - 16Sold outHoney Couture LUCIA Off White Sheer Bustier Corset Tulle Formal Gown in Australia | One Honey Boutique
Honey Couture LUCIA Off White Sheer Bustier Corset Tulle Formal Gown Sale priceFrom $899.95 AUD
Color
USA SIZE 2 - 24Honey Couture KARRISA Blue Glitter off the Shoulder A - Line Formal Dress in Australia | One Honey Boutique
Honey Couture KARRISA Blue Glitter off the Shoulder A-Line Formal Dress Sale priceFrom $899.95 AUD
Color
USA SIZE 2 - 14Honey Couture KARRISA Lavender Glitter off the Shoulder A - Line Formal Dress in Australia | One Honey Boutique
Honey Couture KARRISA Lavender Glitter off the Shoulder A-Line Formal Dress Sale priceFrom $899.95 AUD
Color
USA SIZE 4 - 20DISCONTINUEDHoney Couture MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal Dress Sale priceFrom $459.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55230 Fuchsia Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55230 Fuchsia Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22Sherri Hill 55230 Royal Blue Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55230 Royal Blue Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55230 Dark Emerald Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55230 Dark Emerald Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18Sherri Hill 55230 Black Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55230 Black Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55181 Red Lace Off the Shoulder Feather Detail Leg Split Formal Dress in Australia | One Honey Boutique
Sherri Hill 55181 Red Lace Off the Shoulder Feather Detail Leg Split Formal Dress Sale priceFrom $1,539.95 AUD
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USA SIZE 4 - 16Honey Couture CHICAGO Red Embellished Asymmetrical Satin Mermaid Formal Dress in Australia | One Honey Boutique
CHICAGO Red Embellished Asymmetrical Satin Mermaid Formal Dress Sale priceFrom $729.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 30%Honey Couture VAMP Black Strapless Bustier Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture VAMP Black Strapless Bustier Corset Satin Mermaid Formal Dress Sale priceFrom $413.66 AUD Regular price$590.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18DISCONTINUEDSherri Hill 55200 Light Blue Leaf Lace Embroidered Corset Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55200 Light Blue Leaf Lace Embroidered Corset Mermaid Formal Dress Sale priceFrom $899.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 14DISCONTINUEDSherri Hill 54838 Orchid Beaded Sequin Corset Leg Split Formal Dress in Australia | One Honey Boutique
Sherri Hill 54838 Orchid Beaded Sequin Corset Leg Split Formal Dress Sale priceFrom $1,050.00 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18DISCONTINUEDSherri Hill 55253 Red Off the Shoulder Mikado Silky A Line Formal Dress in Australia | One Honey Boutique
Sherri Hill 55253 Red Off the Shoulder Mikado Silky A Line Formal Dress Sale priceFrom $999.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 14DISCONTINUEDSherri Hill 55124 Black Rhinestone Embellished Jersey Corset Back Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55124 Black Rhinestone Embellished Jersey Corset Back Mermaid Formal Dress Sale priceFrom $869.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 14DISCONTINUEDSherri Hill 55059 Light Blue Sequin Lace Embellishment Corset Leg Split Formal Dress in Australia | One Honey Boutique
Sherri Hill 55059 Light Blue Sequin Lace Embellishment Corset Leg Split Formal Dress Sale priceFrom $1,189.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18Sherri Hill 55010 Bright Fuchsia Silky Jersey Open Back Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Sherri Hill 55010 Bright Fuchsia Silky Jersey Open Back Leg Split Mermaid Formal Dress Sale priceFrom $629.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 14DISCONTINUEDSherri Hill 54838 Periwinkle Beaded Sequin Corset Leg Split Formal Dress in Australia | One Honey Boutique
Sherri Hill 54838 Periwinkle Beaded Sequin Corset Leg Split Formal Dress Sale priceFrom $1,050.00 AUD
Color
USA SIZE 4 - 16Save 30%Honey Couture ZOA Mauve Off the Shoulder 3D Flower Glitter Mermaid Formal Dress in Australia | One Honey Boutique
ZOA Mauve Off the Shoulder 3D Flower Glitter Mermaid Formal Dress Sale priceFrom $510.96 AUD Regular price$729.95 AUD
Color
USA SIZE 2 - 16VISIT OUR GOLD COAST STORE TO TRY ONHoney Couture CAROLE Lavender Sequin Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
Honey Couture CAROLE Lavender Sequin Corset Mermaid Formal Gown Dress Sale priceFrom $729.95 AUD
Color
USA SIZE XS - 3XLDISCONTINUEDSave 30%Honey Couture PATRISHA Blush Long Sleeve Beaded Tulle Formal Gown Dress in Australia | One Honey Boutique
PATRISHA Blush Long Sleeve Beaded Tulle Formal Gown Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
Color
USA SIZE S - LHoney Couture MARI Red Shimmer Lace Back Bum Ruching Formal Dress in Australia | One Honey Boutique
Honey Couture MARI Red Shimmer Lace Back Bum Ruching Formal Dress Sale price$499.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE XS - 3XLAMBROSIA Blush Sequin Beaded Strap Tulle Frilly Party Dress in Australia | One Honey Boutique
AMBROSIA Blush Sequin Beaded Strap Tulle Frilly Party Dress Sale priceFrom $249.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE XS - 3XLERIN Smokey Blue Sequin V Front Tulle Frilly Party Dress in Australia | One Honey Boutique
ERIN Smokey Blue Sequin V Front Tulle Frilly Party Dress Sale priceFrom $249.95 AUD
Color
USA SIZE XS - XLDISCONTINUEDHoney Couture ELLIE Gold Silky Cut Out Maxi Dress in Australia | One Honey Boutique
Honey Couture ELLIE Gold Silky Cut Out Maxi Dress Sale price$349.95 AUD
Color
USA SIZE XS - LHoney Couture NIKOLE White Satin Strapless Silky Formal Dress in Australia | One Honey Boutique
Honey Couture NIKOLE White Satin Strapless Silky Formal Dress Sale priceFrom $459.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24Save 30%Portia & Scarlett PS21208 Lilac Purple Strapless Sequin Mermaid Formal Gown in Australia | One Honey Boutique
Portia & Scarlett PS21208 Lilac Purple Strapless Sequin Mermaid Formal Gown Sale priceFrom $510.96 AUD Regular price$729.95 AUD
Color

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Long Formal Dresses Australia

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Need help with sizing, delivery, ordering or planning for your event? Visit our Help Centre to shop with confidence — explore sizing & fit advice, ordering guides, Dress Registration, Virtual Try-On, customer resources & more.

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