Skip to content

20% OFF ALL FULL PRICE INSTOCK DRESSES AT OUR GOLD COAST SHOWROOM

BOOK A FITTING

Cart

Your cart is empty

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.

🔥 TikTok Viral Dresses

🇦🇺 Proudly Australian Owned Since 2011

🏆 Over 1000+ 5-Star Google Reviews

💎 Registered Dress Guarantee With Every Purchase

🚚 Fast Express Delivery Available Australia-Wide

Sort by

1375 products

Filters

AUS SIZE 2 - 24Tina Holly Couture Designer TW028 Lilac Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW028 Smoke Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW028 Indigo Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW028 Red Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Black & Nude Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Silver Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Tea Rose Pink Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Royal Blue Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Indigo Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Red Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Orchid Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW030 Red Gala A Line Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW030 Emerald Green Gala A Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW030 Burgundy Gala A Line Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW030 Silver Pink Gala A Line Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW030 Tea Rose Pink Gala A Line Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW030 Navy Blue Gala A Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW029 Plum Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW029 Red Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW029 White Musk Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW029 Lilac Purple Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW029 Golden Rust Orange Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW029 Indigo Blue Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE003 Burgundy Satin Silky Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE003 Aqua Blue Satin Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE003 Berry Pink Satin Silky Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE003 Pale Baby Blue Satin Silky Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE003 Champagne Gold Satin Silky Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE003 Sage Green Satin Silky Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TW020 Musk Purple Shimmer Deep V Front Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE001 Burgundy Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE001 Rust Orange Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE001 Royal Blue Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE001 Teal Green Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TE001 Navy Blue Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE001 Red Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE001 Yellow Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE001 Emerald Green Satin Lace Up Back Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture NADA White & Nude Long Sleeve Formal Dress in Australia | One Honey Boutique
Color
ONLINE EXCLUSIVEUSA SIZE 2 - 10DISCONTINUEDHoney Couture ARISTA Gold Beaded Low Back Mermaid Formal Dress in Australia | One Honey Boutique
Color
USA SIZE XS - LHoney Couture DARIA Electric Blue Bum Ruching Cut Out Tie Up Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture DANA Red Bum Ruching Cut Out Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 6 - 16The LOUISA Black Sequin Corset Back Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 6 - 16The LOUISA Pink Sequin Corset Back Mermaid Formal Gown in Australia | One Honey Boutique
USA SIZE XS - LSave 75%Honey Couture ISLA Navy Blue Beaded Lace Bust Formal Dress in Australia | One Honey Boutique
Honey Couture ISLA Beaded Lace Bust Formal Dress Sale price$99.95 AUD Regular price$395.95 AUD
Color
USA SIZE XS - XLHoney Couture ANASTASIA Berry Low Back Mermaid Dress in Australia | One Honey Boutique
Color
IN STOCKDISCONTINUEDSALESave 30%Honey Couture EVITA White Nude Strapless Sequin Wedding Formal Dress in Australia | One Honey Boutique
Honey Couture EVITA White Nude Strapless Sequin Wedding Formal Dress Sale priceFrom $370.80 AUD Regular price$529.95 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture T0520 Electric Blue Strapless Ballgown Formal Dress in Australia | One Honey Boutique

Need help?

Frequently Asked Questions

Long Formal Dresses Australia

✨ NEED HELP CHOOSING YOUR DRESS? ✨

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.