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Formal Dresses Under $900 Australia – Designer Prom Gowns

Shop formal dresses under $900 in Australia — explore premium designer prom gowns, school formal dresses and eveningwear within a $900 budget at One Honey Boutique.

Discover statement formalwear from leading Australian and international designers, featuring luxe fabrics, structured corsetry, intricate embellishments and unforgettable silhouettes.

From sleek fitted gowns and sophisticated satin to crystal detailing, sparkling finishes, romantic A-lines and dramatic ball gowns, discover designer formalwear for milestone occasions.

Explore Formal Dresses Under $900

Searching for formal dresses under $900 in Australia? One Honey Boutique brings together designer prom dresses, school formal gowns and evening dresses currently priced below $900, creating an easy way to explore premium formalwear within your chosen budget.

Shop statement gowns for Year 10 and Year 12 formal, prom, graduation, balls, galas, black-tie events, weddings and special occasions across an evolving portfolio of Australian and international designers.

Within a $900 budget, explore an extensive selection of premium formalwear including structured corset gowns, fitted silhouettes, luxe satin, intricate beading, crystal and sequin embellishments, romantic A-lines and dramatic statement gowns.

Shopping within a lower budget? Explore our formal dresses under $800 for styles within the previous price tier.

Want access to even more of the One Honey designer collection? Continue to our formal dresses under $1000 collection for an expanded selection of premium prom, school formal and evening gowns.

Looking specifically for reduced designer styles? Browse our formal dress sale for discounted prom, school formal and evening dresses across multiple price points.

For our complete designer formalwear range, explore formal dresses Australia, shop prom dresses or browse our evening dresses.

Prices, sizes and availability can change as new gowns arrive, products sell through or pricing changes. Always check the individual product page for the current price, available sizes and ordering information.

Shopping for your school formal? Australia's Largest Dress Register helps protect the exclusivity of eligible registered One Honey gowns for participating school formals and events.

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

Need help choosing your size, checking availability or planning around your event date? Visit our Help Centre for sizing, ordering and shopping support.

Shop with flexible payment options including AfterPay & Zip.

Discover formal dresses under $900 at One Honey Boutique — premium designer prom, school formal and evening gowns within your budget.

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USA SIZE XS - 2XLSold outAERYN Sequin Holographic Leg Split Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outAZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLKACEY Lace Applique Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLSold outMARLI Strapless Diamante Corset Top Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outLINDSAY Off Shoulder Sheer Embroidery Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outMARIANA Corset Back Glitter Mesh A LIne Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outCAMILA Thin Strap Tulle Layered Prom & Formal Dress in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE 0 - 16ALIENOR Strapless Corset Bustier Rhinestone Mermaid Prom & Formal Dress in Australia | One Honey Boutique
USA SIZE 0 - 18AUDRINA Off Shoulder Sequin Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 14ALEXANDRE Floral Printed Tulle A Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16HELGA Micro Crystal Strapless Corset Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 00 - 16NARELLA Crystal Beaded Corset Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 14LORENA Sequin Fringing Cocktail Birthday Party Mini Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20KIRSTEEN Sequin Embellished Mother of Groom Bride Evening Gown in Australia | One Honey Boutique
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USA SIZE 6 - 18STELLARA Mermaid Leg Split Glitter Embellishment Prom & Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 18TIFFANY Strapless Satin Debutante Bridal Wedding & Formal Dress with Sash in Australia | One Honey Boutique
USA SIZE 0 - 14FINELLA Lace Applique Keyhole Back Tulle A Line Prom & Formal Dress in Australia | One Honey Boutique
ONLINE EXCULSIVEUSA SIZE 2 - 16AILIS Off Shoulder Floral Overlay Fitted Mermaid Prom Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18YARA Off The Shoulder Sequin Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSave 10%VANDA Lavender Purple Tulle Romantic A Line Formal Dress in Australia | One Honey Boutique
VANDA Lavender Purple Tulle Romantic A Line Formal Dress Sale priceFrom $746.96 AUD Regular price$829.95 AUD
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USA SIZE 2 - 20DISCONTINUEDTWYLA Strapless Silky Mermaid Formal Dress with Gloves in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSave 20%SARIA Off Shoulder Shimmer Ballgown Prom & Formal Dress in Australia | One Honey Boutique
SARIA Off Shoulder Shimmer Ballgown Prom & Formal Dress Sale priceFrom $639.95 AUD Regular price$799.95 AUD
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DISCONTINUEDUSA XS-XLSave 20%SABINA Beaded Sequin Feather Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
SABINA Beaded Sequin Feather Leg Split Mermaid Formal Dress Sale priceFrom $607.95 AUD Regular price$759.95 AUD
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IN STOCKDISCONTINUEDSALESave 10%RENA Satin Diamanté Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
RENA Satin Diamanté Leg Split Mermaid Formal Dress Sale priceFrom $593.95 AUD Regular price$659.95 AUD
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IN STOCKDISCONTINUEDSALESave 14%ROCO Curve Silky Off The Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
ROCO Curve Silky Off The Shoulder Mermaid Formal Dress Sale priceFrom $510.95 AUD Regular price$729.95 AUD
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IN STOCKDISCONTINUEDSave 20%REAGAN Beaded Applique Tulle A Line Formal Dress in Australia | One Honey Boutique
REAGAN Beaded Applique Tulle A Line Formal Dress Sale priceFrom $639.96 AUD Regular price$799.95 AUD
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IN STOCKDISCONTINIUEDOn saleRAVEN Sequin Beaded Strapless Mermaid Formal Dress in Australia | One Honey Boutique
RAVEN Sequin Beaded Strapless Mermaid Formal Dress Sale priceFrom $527.96 AUD Regular price$659.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUEDUSA SIZE 2 - 18PIA Black Lace Bustier Stretch Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24Save 30%RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress Sale priceFrom $510.96 AUD Regular price$729.95 AUD
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IN STOCKDISCONTINUEDSold outSave 0%MADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress in Australia | One Honey Boutique
MADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress Sale priceFrom $527.96 AUD Regular price$659.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - LSALEDISCONTINUEDSave 67%RIMA Halter Neck Cross Over Mermaid Formal Dress in Australia | One Honey Boutique
RIMA Halter Neck Cross Over Mermaid Formal Dress Sale price$99.00 AUD Regular price$299.95 AUD
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IN STOCKDISCONTINUEDPETRA Glitter V Front Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDOn saleMONROE Sequin Waist Cut Out Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKMELODY Sequin Mesh Waist Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDLAURA Iridescent Sequin Tie Back Ballgown Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSave 20%JULIANA Lace Up Back Diamante Crystal Mermaid Formal Dress in Australia | One Honey Boutique
JULIANA Lace Up Back Diamante Crystal Mermaid Formal Dress Sale priceFrom $663.96 AUD Regular price$829.95 AUD
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IN STOCKDISCONTINUEDELANA Diamante Bustier Lace Up Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleCHARMAINE Rose Gold Glitter Ball Gown Formal Dress in Australia | One Honey Boutique
CHARMAINE Rose Gold Glitter Ball Gown Formal Dress Sale priceFrom $559.95 AUD Regular price$799.95 AUD
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IN STOCKDISCONTINUEDSALESave 40%BELLAMY Rose Gold Glitter A Line Ball Gown Formal Dress in Australia | One Honey Boutique
BELLAMY Rose Gold Glitter A Line Ball Gown Formal Dress Sale priceFrom $479.95 AUD Regular price$799.95 AUD
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DISCONTINUEDSALESave 20%CECILA Silky Diamante Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
CECILA Silky Diamante Bustier Mermaid Prom & Formal Dress Sale priceFrom $463.95 AUD Regular price$579.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 4 - 16Save 30%BADAZZLE Black Multi - Colour Gem Detail A Line Ballgown Formal Dress in Australia | One Honey Boutique
BADAZZLE Black Multi-Colour Gem Detail A Line Ballgown Formal Dress Sale priceFrom $693.95 AUD Regular price$990.95 AUD
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USA SIZE 2 - 24Save 30%ROMY Silky Off Shoulder Mermaid Prom Formal Dress in Australia | One Honey Boutique
ROMY Silky Off Shoulder Mermaid Prom Formal Dress Sale priceFrom $384.96 AUD Regular price$549.95 AUD
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USA SIZE 2 - 14MURELLA Off Shoulder Bustier Mermaid Bridal & Wedding Debutante Dress in Australia | One Honey Boutique
USA SIZE 4 - 18IRINA Neck Sash Tie Chiffon Bridal & Wedding Debutante Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16ELEANOR Bridal Satin Strapless Pointed Bust Strapless Silky Wedding Dress in Australia | One Honey Boutique
USA SIZE 6 - 20ALEDA Lace Applique Off Shoulder Tulle A LIne Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16RIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 00 - 16CHANEL Off Shoulder Sequin Bustier Satin Prom & Formal Dress in Australia | One Honey Boutique
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Formal Dresses Under $900 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.