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Dresses Under $300 Australia – Formal & Prom Dresses

Shop dresses under $300 in Australia — discover affordable formal dresses, prom gowns & occasion dresses under $300 from One Honey's curated designer collection.

Find formal dresses under $300 for Year 10, Year 11 & Year 12 formals, prom, graduations, parties & special occasions across statement colours, silhouettes & finishes.

From fitted gowns & sculpted corsets to satin dresses, sparkling styles & flowing silhouettes, discover an unforgettable One Honey look while shopping within your budget.

Explore Dresses Under $300

Searching for dresses under $300 in Australia? One Honey Boutique brings together a curated edit of formal dresses under $300, prom dresses under $300 & occasionwear for shoppers looking for statement style at an accessible price point.

Explore dresses for Year 10, Year 11 & Year 12 formals, prom, graduation, parties, birthdays & special occasions, with styles, sizes, colours & availability changing as new designer collections arrive.

Our formal dresses under $300 can include fitted, A-line, corset, satin, sequin, embellished, long & shorter silhouettes depending on current designer availability.

Shopping specifically for a school formal? Explore our school formal dresses Australia collection for our broader edit of designer Year 10, Year 11 & Year 12 gowns across price points.

Want to explore our complete formalwear collection? Browse formal dresses Australia for designer prom, school formal & evening gowns across our wider range.

Love a sculpted silhouette? Explore our corset formal dresses for structured bodices & defined waists, or browse our fitted formal dresses for sleek figure-skimming styles.

Looking for full-length glamour? Discover our long formal dresses for floor-length prom, school formal & evening gowns.

Love a luminous finish? Browse our satin formal dresses, or explore our embellished formal dresses for crystals, beading & statement detailing.

Looking for reduced styles? Our formal dress sale is the place to discover selected discounted formalwear, while this Under $300 collection is organised specifically around price regardless of whether a style is full price or reduced.

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 dresses & available colours as part of your online shopping experience before choosing your look.

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

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, formal & occasionwear.

Shop dresses under $300 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.

Discover dresses under $300 at One Honey Boutique — affordable formal dresses, prom gowns & occasion styles without compromising on statement style.

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115 products

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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLDISCONTINUEDSave 75%Honey Couture BLAIR Sequin Off - Shoulder Prom & Formal Dress in Australia | One Honey Boutique
Honey Couture BLAIR Sequin Off-Shoulder Prom & Formal Dress Sale priceFrom $99.00 AUD Regular price$399.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - LSALEDISCONTINUEDSave 0%Honey Couture LIAA Silky One Shoulder Formal Prom Dress in Australia | One Honey Boutique
Honey Couture LIAA Silky One Shoulder Formal Prom Dress Sale priceFrom $99.00 AUD Regular price$499.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE S - LSave 78%Honey Couture IMOGEN Baby Blue Low Back Mermaid Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture IMOGEN Low Back Mermaid Prom Formal Dress Sale priceFrom $99.00 AUD Regular price$449.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEAUS SIZE 6 - 16Save 78%Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE S - LILLIA Strapless Satin Neck Sash Prom & Semi Formal Dress in Australia | One Honey Boutique
ILLIA Strapless Satin Neck Sash Prom & Semi Formal Dress Sale price$299.95 AUD
Color
AUS SIZE 6 - 14The RENEE Sequin Corset Lace Up Mini Dress in Australia | One Honey Boutique
The RENEE Sequin Corset Lace Up Mini Dress Sale price$99.95 AUD
Color
USA SIZE XS - XLMAJA Off Shoulder Sequin Prom & Semi Formal Dress in Australia | One Honey Boutique
MAJA Off Shoulder Sequin Prom & Semi Formal Dress Sale price$299.95 AUD
Color
USA SIZE XS - MDISCONTINUEDSave 75%MAEVE Low Back Lace Up Bum Scrunch Prom & Formal Dress in Australia | One Honey Boutique
MAEVE Low Back Lace Up Bum Scrunch Prom & Formal Dress Sale price$99.00 AUD Regular price$399.95 AUD
Color
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
Color
AUS SIZE XS - XLMÉLANI The Label JOSEFINA Low Back Rose Feature Halter Dress in Australia | One Honey Boutique
MÉLANI The Label JOSEFINA Low Back Rose Feature Halter Dress Sale price$269.95 AUD
Color
VISIT OUR GOLD COAST SHOWROOM TO TRY ONAUS SIZE XS - XLMÉLANI The Label DANIELA Low Back Rose Feature Dress in Australia | One Honey Boutique
MÉLANI The Label DANIELA Low Back Rose Feature Dress Sale price$229.95 AUD
Color
AUS SIZE XS - XXLVISIT OUR GOLD COAST STORE TO TRY ONRunaway The Label STELLAR Sequin Mini Semi Party Dress in Australia | One Honey Boutique
Runaway The Label STELLAR Sequin Mini Semi Party Dress Sale price$169.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - LKIA Low Back V Front Sequin Prom & Formal Dress in Australia | One Honey Boutique
KIA Low Back V Front Sequin Prom & Formal Dress Sale price$299.95 AUD
Color
USA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLESold outZIA Low Back V Front Sequin Prom & Formal Dress in Australia | One Honey Boutique
ZIA Low Back V Front Sequin Prom & Formal Dress Sale price$299.95 AUD
Color
USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGGIA Velvet Off Shoulder Beaded Bust Bustier Mini Dress in Australia | One Honey Boutique
GIA Velvet Off Shoulder Beaded Bust Bustier Mini Dress Sale price$259.95 AUD
Color
USA SIZE 00 - 16CHERRY Diamanté Beaded Strap Tulle Frilly Party Dress in Australia | One Honey Boutique
CHERRY Diamanté Beaded Strap Tulle Frilly Party Dress Sale priceFrom $295.95 AUD
Color
USA SIZE XXS - 3XLDALPHINE Sequin Lace Tulle Frilly Party Semi Formal Dress in Australia | One Honey Boutique
DALPHINE Sequin Lace Tulle Frilly Party Semi Formal Dress Sale priceFrom $249.95 AUD
Color
USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGOn saleADRIA Shimmer Strapless Formal Gown Dress in Australia | One Honey Boutique
ADRIA Shimmer Strapless Formal Gown Dress Sale priceFrom $99.00 AUD Regular price$629.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - XLSold outSave 0%Honey Couture TILDA Low Back Sequin Formal Gown Dress in Australia | One Honey Boutique
Honey Couture TILDA Low Back Sequin Formal Gown Dress Sale priceFrom $99.00 AUD Regular price$495.95 AUD
Color
USA SIZE S - LDISCONTINUED FINAL SIZES AVAILABLEBEAU Tulle A - Line Semi Formal Dress in Australia | One Honey Boutique
BEAU Tulle A-Line Semi Formal Dress Sale price$259.95 AUD
Color
USA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLEOn saleJENNA Silky Tie Back Semi Formal Prom Dress in Australia | One Honey Boutique
JENNA Silky Tie Back Semi Formal Prom Dress Sale priceFrom $199.95 AUD Regular price$399.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 6 - 24Save 50%HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown in Australia | One Honey Boutique
HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown Sale priceFrom $249.98 AUD Regular price$499.95 AUD
Black
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 2XLSave 0%KENNA Satin Cowl Neck Semi Formal Dress in Australia | One Honey Boutique
KENNA Satin Cowl Neck Semi Formal Dress Sale priceFrom $99.00 AUD Regular price$399.95 AUD
Color
USA SIZE XS - LFIA Satin One Shoulder Bum Ruching Midi Semi Formal Dress in Australia | One Honey Boutique
FIA Satin One Shoulder Bum Ruching Midi Semi Formal Dress Sale price$289.95 AUD
Color
DISCONTINUEDUSA XS-LSave 77%Honey Couture JALI Lace Back Silky Bum Ruching Formal Dress in Australia | One Honey Boutique
Honey Couture JALI Lace Back Silky Bum Ruching Formal Dress Sale priceFrom $99.00 AUD Regular price$429.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEAUS SIZE 6 - 16Sold outSave 83%Honey Couture MOULIN Sequin Corset Formal Dress in Australia | One Honey Boutique
Honey Couture MOULIN Sequin Corset Formal Dress Sale priceFrom $99.00 AUD Regular price$569.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE S - LSave 60%Honey Couture VANESSA Bodycon Side Split Midi Semi Formal Dress in Australia | One Honey Boutique
VANESSA Bodycon Side Split Midi Semi Formal Dress Sale priceFrom $99.00 AUD Regular price$249.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLSave 78%Honey Couture MILEE Low Back Mermaid Evening Gown Dress with Leg Split in Australia | One Honey Boutique
Honey Couture MILEE Low Back Mermaid Evening Gown Dress with Leg Split Sale priceFrom $99.00 AUD Regular price$449.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLSave 30%Honey Couture MILEE Low Back Mermaid Evening Gown Dress in Australia | One Honey Boutique
Honey Couture MILEE Low Back Mermaid Evening Gown Dress Sale priceFrom $99.00 AUD Regular price$449.95 AUD
Color
AUS SIZE XS - XXLVISIT OUR GOLD COAST STORE TO TRY ONSold outRunaway The Label MARGOT Bridesmaids Semi Formal Maxi Dress in Australia | One Honey Boutique
Runaway The Label MARGOT Bridesmaids Semi Formal Maxi Dress Sale price$159.95 AUD
Color
AUS SIZE XS - XXLVISIT OUR GOLD COAST STORE TO TRY ONSold outRunaway The Label DELILAH Bridesmaids Semi Formal Maxi Dress in Australia | One Honey Boutique
Runaway The Label DELILAH Bridesmaids Semi Formal Maxi Dress Sale price$159.95 AUD
Color
VIRAL ON TIKTOK 5.5MILLION VIEWSIN STOCKDISCONTINUED FINAL SIZES AVAILABLESALESold outOn saleHoney Couture MYORA Embellished Bustier Satin Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture MYORA Embellished Bustier Satin Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$599.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLSave 0%XENA Silky Tie Up A - Line Formal Bridesmaid & Formal Dress in Australia | One Honey Boutique
XENA Silky Tie Up A-Line Formal Bridesmaid & Formal Dress Sale priceFrom $199.98 AUD Regular price$399.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEAUS SIZE 6 - 18Sold outSave 83%Honey Couture CLAUDIA Navy Sequin Mermaid Formal Gown in Australia | One Honey Boutique
Honey Couture CLAUDIA Navy Sequin Mermaid Formal Gown Sale priceFrom $99.00 AUD Regular price$569.95 AUD
Color
IN STOCKDISCONTINUEDSALESold outSave 72%Honey Couture EVELYN Blue Silky Slip Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Honey Couture EVELYN Blue Silky Slip Formal Dress (RED TAG FINAL SALE) Sale price$99.00 AUD Regular price$349.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 4 - 10Honey Couture ESTELLA Black Silky Circle Skirt Mini Party Dress in Australia | One Honey Boutique
Honey Couture ESTELLA Black Silky Circle Skirt Mini Party Dress Sale priceFrom $199.95 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
ONLINE EXCLUSIVEUSA SIZE 4 - 16Save 60%Honey Couture ENVY Glitter Feather Off Shoulder Midi Dress in Australia | One Honey Boutique
ENVY Glitter Feather Off Shoulder Midi Dress Sale price$199.95 AUD Regular price$499.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVILABLEUSA SIZE S - XLSold outSave 0%Honey Couture GENENE Rose Gold Thin Strap Sequin Formal Dress in Australia | One Honey Boutique
Honey Couture GENENE Rose Gold Thin Strap Sequin Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
Color
USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEHoney Couture MILEE Emerald Green Low Back Midi Dress in Australia | One Honey Boutique
Honey Couture MILEE Emerald Green Low Back Midi Dress Sale price$199.95 AUD
Color
USA SIZE XS - MSold outSave 0%Honey Couture CLEO Black & Gold Beaded Formal Gown in Australia | One Honey Boutique
Honey Couture CLEO Black & Gold Beaded Formal Gown Sale priceFrom $299.95 AUD Regular price$599.95 AUD
Color
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
Save 31%Honey Couture JESSY Lace Summer Dress in Australia | One Honey Boutique
Honey Couture JESSY Lace Summer Dress Sale price$89.95 AUD Regular price$129.95 AUD
Color
Save 20%Label of Love White Tiger Animal Print Drawstring Maxi Dress in Australia | One Honey Boutique
Label of Love White Tiger Animal Print Drawstring Maxi Dress Sale price$79.95 AUD Regular price$99.95 AUD
Color
AUS SIZE 4 - 18 Tina Holly Couture Connelly R1767 White Off Shoulder Bridesmaids Midi Dress in Australia | One Honey Boutique
Tina Holly Couture Connelly R1767 White Off Shoulder Bridesmaids Midi Dress Sale priceFrom $299.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE 6 - 18Sold outOn saleHoney Couture SERENA Blue Strapless Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture SERENA Blue Strapless Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$699.95 AUD
Color
USA SIZE XS - LHoney Couture Purple MIKI Cut Out Mini Bandage Dress in Australia | One Honey Boutique
Honey Couture Purple MIKI Cut Out Mini Bandage Dress Sale price$169.95 AUD
Color

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Dresses Under $300 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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1000+ verified Google reviews • Rated 4.9 ★