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From girls' dresses fit for fairy princesses to frightening getups to adorably cute outfits, Halloween costumes run the gamut. Find the perfect costume for your little one on thredUP and save with prices up to 90% off estimated retail.

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58 items
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    Harry Potter Costume (view 2)Harry Potter Costume (view 1)
    View Product: Harry Potter Costume

    Harry Potter

    Costume
    Size 6
    $14.99
    44% off estimated retail
    Fuyimei Costume (view 2)Fuyimei Costume (view 1)
    View Product: Fuyimei Costume

    Fuyimei

    Costume
    Size 110 cm
    $20.99
    41% off estimated retail
    Disney Baby Costume (view 2)Disney Baby Costume (view 1)
    View Product: Disney Baby Costume

    Disney Baby

    Costume
    Size 6-12 mo
    $8.99
    46% off estimated retail
    Disguise Costume (view 2)Disguise Costume (view 1)
    View Product: Disguise Costume

    Disguise

    Costume
    Size 2T
    $6.99
    61% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Paw Patrol Costume (view 1)
    View Product: Paw Patrol Costume

    Paw Patrol

    Costume
    Size 2T
    $13.99
    48% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)
    View Product: Disney Costume

    Disney

    Costume
    Size Medium youth
    $23.99
    25% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)
    View Product: Disney Costume

    Disney

    Costume
    Size Medium youth
    $28.99
    39% off estimated retail
    Disney Princess Costume (view 2)Disney Princess Costume (view 1)
    View Product: Disney Princess Costume

    Disney Princess

    Costume
    Size 3T
    $16.99
    26% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)
    View Product: Disney Costume

    Disney

    Costume
    Size 5T
    $24.99
    47% off estimated retail
    Princess Espressions Costume (view 2)Princess Espressions Costume (view 1)
    View Product: Princess Espressions Costume

    Princess Espressions

    Costume
    Size Large kids
    $14.99
    48% off estimated retail
    Disney Store Costume (view 2)Disney Store Costume (view 1)
    View Product: Disney Store Costume

    Disney Store

    Costume
    Size 9
    $20.99
    38% off estimated retail
    Disney Store Costume (view 2)Disney Store Costume (view 1)
    View Product: Disney Store Costume

    Disney Store

    Costume
    Size 9
    $17.99
    47% off estimated retail
    Wonder Woman Costume (view 2)Wonder Woman Costume (view 1)
    View Product: Wonder Woman Costume

    Wonder Woman

    Costume
    Size 5T
    $20.99 $14.69 30% off with code HOTDEAL
    62% off estimated retail
    Blue Star Costume (view 1)
    View Product: Blue Star Costume

    Blue Star

    Costume
    Size 12
    $19.99 $14.99 25% off with code HOTDEAL
    53% off estimated retail
    Rubie's Costume (view 2)Rubie's Costume (view 1)
    View Product: Rubie's Costume

    Rubie's

    Costume
    Size Medium kids
    $9.99 $7.99 20% off with code HOTDEAL
    60% off estimated retail
    Carter's Costume (view 2)Carter's Costume (view 1)
    View Product: Carter's Costume

    Carter's

    Costume
    Size 18 mo
    $15.99 $12.79 20% off with code HOTDEAL
    68% off estimated retail
    Incharacter Costumes Costume (view 2)Incharacter Costumes Costume (view 1)
    View Product: Incharacter Costumes Costume

    Incharacter Costumes

    Costume
    Size X-Large kids
    $24.99 $18.74 25% off with code HOTDEAL
    64% off estimated retail
    Weissman Designs for Dance Costume (view 1)
    View Product: Weissman Designs for Dance Costume

    Weissman Designs for Dance

    Costume
    Size X-Small tots
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    Assorted Brands Costume (view 1)New With Tags
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 3T
    $24.99 $19.99 20% off with code HOTDEAL
    46% off estimated retail
    California Costume Collections Costume (view 2)California Costume Collections Costume (view 1)
    View Product: California Costume Collections Costume

    California Costume Collections

    Costume
    Size 10
    $20.99 $14.69 30% off with code HOTDEAL
    51% off estimated retail
    Spirit Halloween Store Costume (view 1)
    View Product: Spirit Halloween Store Costume

    Spirit Halloween Store

    Costume
    Size 8
    $15.99 $12.79 20% off with code HOTDEAL
    54% off estimated retail
    Revolution Costume (view 2)Revolution Costume (view 1)
    View Product: Revolution Costume

    Revolution

    Costume
    Size 2X-large kids
    $13.99 $11.19 20% off with code HOTDEAL
    51% off estimated retail
    DC Super friends Costume (view 2)DC Super friends Costume (view 1)
    View Product: DC Super friends Costume

    DC Super friends

    Costume
    Size 12-18 mo
    $6.99 $5.59 20% off with code HOTDEAL
    66% off estimated retail
    Unbranded Costume (view 2)Unbranded Costume (view 1)
    View Product: Unbranded Costume

    Unbranded

    Costume
    Size 6-12 mo
    $18.99 $15.19 20% off with code HOTDEAL
    50% off estimated retail
    Unbranded Costume (view 2)Unbranded Costume (view 1)
    View Product: Unbranded Costume

    Unbranded

    Costume
    Size 12
    $24.99 $18.74 25% off with code HOTDEAL
    56% off estimated retail
    Marvel Costume (view 2)Marvel Costume (view 1)
    View Product: Marvel Costume

    Marvel

    Costume
    Size Medium youth
    $24.99 $16.24 35% off with code HOTDEAL
    58% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size One size
    $20.99 $14.69 30% off with code HOTDEAL
    61% off estimated retail
    Assorted Brands Costume (view 1)
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 4
    $17.99 $12.59 30% off with code HOTDEAL
    62% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size Medium tots
    $20.99 $13.64 35% off with code HOTDEAL
    55% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 130 cm
    $23.99 $15.59 35% off with code HOTDEAL
    58% off estimated retail
    Carter's Costume (view 2)Carter's Costume (view 1)
    View Product: Carter's Costume

    Carter's

    Costume
    Size 3-6 mo
    $15.99 $12.79 20% off with code HOTDEAL
    68% off estimated retail
    Spirit Halloween Store Costume (view 2)Spirit Halloween Store Costume (view 1)
    View Product: Spirit Halloween Store Costume

    Spirit Halloween Store

    Costume
    Size 12-18 mo
    $10.99 $8.79 20% off with code HOTDEAL
    44% off estimated retail
    Forum Novelties Inc Costume (view 1)Price Drop
    View Product: Forum Novelties Inc Costume

    Forum Novelties Inc

    Costume
    Size 3
    $11.99 $9.59 20% off with code HOTDEAL
    56% off estimated retail
    Spirit Kids Costume (view 2)Spirit Kids Costume (view 1)
    View Product: Spirit Kids Costume

    Spirit Kids

    Costume
    Size 6-12 mo
    $8.99 $7.19 20% off with code HOTDEAL
    55% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size X-Large youth
    $22.99 $14.94 35% off with code HOTDEAL
    60% off estimated retail
    Spirit Halloween Store Costume (view 2)Spirit Halloween Store Costume (view 1)Price Drop
    View Product: Spirit Halloween Store Costume

    Spirit Halloween Store

    Costume
    Size Large kids
    $13.99 $11.19 20% off with code HOTDEAL
    51% off estimated retail
    California Costume Collections Costume (view 2)California Costume Collections Costume (view 1)
    View Product: California Costume Collections Costume

    California Costume Collections

    Costume
    Size X-Large kids
    $17.99 $12.59 30% off with code HOTDEAL
    58% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)
    View Product: Disney Costume

    Disney

    Costume
    Size 18 mo
    $18.99 $10.44 45% off with code HOTDEAL
    56% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size Small tots
    $13.99 $7.69 45% off with code HOTDEAL
    61% off estimated retail
    Baby Essentials Costume (view 2)Baby Essentials Costume (view 1)Price Drop
    View Product: Baby Essentials Costume

    Baby Essentials

    Costume
    Size 9 mo
    $11.99 $7.79 35% off with code HOTDEAL
    44% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 8
    $21.99 $9.90 55% off with code HOTDEAL
    61% off estimated retail
    The Children's Place Costume (view 1)Price Drop
    View Product: The Children's Place Costume

    The Children's Place

    Costume
    Size 6-12 mo
    $12.99 $8.44 35% off with code HOTDEAL
    65% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 10
    $21.99 $9.90 55% off with code HOTDEAL
    61% off estimated retail
    Spirit Kids Costume (view 1)Price Drop
    View Product: Spirit Kids Costume

    Spirit Kids

    Costume
    Size 6 mo
    $13.99 $7.69 45% off with code HOTDEAL
    38% off estimated retail
    Chrisha Creations Costume (view 2)Chrisha Creations Costume (view 1)Rare Find
    View Product: Chrisha Creations Costume

    Chrisha Creations

    Costume
    Size 12-18 mo
    $8.99 $5.39 40% off with code HOTDEAL
    $7
    Old Navy Costume (view 2)Old Navy Costume (view 1)Price Drop
    View Product: Old Navy Costume

    Old Navy

    Costume
    Size 6-12 mo
    $12.99 $7.79 40% off with code HOTDEAL
    52% off estimated retail
    Incharacter Costumes Costume (view 1)New With Tags
    View Product: Incharacter Costumes Costume

    Incharacter Costumes

    Costume
    Size 8
    $20.99 $10.50 50% off with code HOTDEAL
    73% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size Large youth
    $19.99 $9.00 55% off with code HOTDEAL
    65% off estimated retail
    Costumes USA Costume (view 2)Costumes USA Costume (view 1)Price Drop
    View Product: Costumes USA Costume

    Costumes USA

    Costume
    Size 3
    $11.99 $6.59 45% off with code HOTDEAL
    67% off estimated retail
    Assorted Brands Costume (view 1)New With Tags
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size 150 cm
    $13.99 $6.30 55% off with code HOTDEAL
    76% off estimated retail
    California Costume Costume (view 2)California Costume Costume (view 1)Price Drop
    View Product: California Costume Costume

    California Costume

    Costume
    Size X-Large kids
    $14.99 $8.24 45% off with code HOTDEAL
    72% off estimated retail
    Carter's Costume (view 2)Carter's Costume (view 1)Price Drop
    View Product: Carter's Costume

    Carter's

    Costume
    Size 8
    $11.99 $6.59 45% off with code HOTDEAL
    75% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)Price Drop
    View Product: Disney Costume

    Disney

    Costume
    Size 4
    $11.99 $6.59 45% off with code HOTDEAL
    79% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)Price Drop
    View Product: Disney Costume

    Disney

    Costume
    Size 4
    $11.99 $6.59 45% off with code HOTDEAL
    79% off estimated retail
    Disney Costume (view 2)Disney Costume (view 1)Price Drop
    View Product: Disney Costume

    Disney

    Costume
    Size 4
    $11.99 $6.59 45% off with code HOTDEAL
    79% off estimated retail
    Rubie's Costume Company Costume (view 1)Price Drop
    View Product: Rubie's Costume Company Costume

    Rubie's Costume Company

    Costume
    Size Medium youth
    $10.99 $6.59 40% off with code HOTDEAL
    75% off estimated retail
    Assorted Brands Costume (view 2)Assorted Brands Costume (view 1)Price Drop
    View Product: Assorted Brands Costume

    Assorted Brands

    Costume
    Size One size
    $10.99 $5.50 50% off with code HOTDEAL
    72% off estimated retail
    Princess Paradise Costume (view 2)Princess Paradise Costume (view 1)Price Drop
    View Product: Princess Paradise Costume

    Princess Paradise

    Costume
    Size 12-18 mo
    $9.99 $5.99 40% off with code HOTDEAL
    50% off estimated retail
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