Infant & Baby Halloween Costumes

Shop for the cutest baby Halloween costumes. From newborn to infant costumes, we’ve got the perfect look for your tiny trick-or-treater!

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  • $44.99
    Baby Pastel Unicorn Costume
    Available on Aug 30
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  • $39.99
    Baby Pastel Unicorn Costume
    Available on Sep 30
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  • $29.99
    Baby Rex Costume - Toy Story 4
    Available on Sep 30
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Get Babies Ready for Halloween with Costumes from Party City

Nothing's cuter than a baby – unless it's a baby in a costume! At Party City, we have one of the best selections of baby costumes, including newborn and infant Halloween costumes. Our soft, affordable baby costumes come in a range of styles and themes to delight everyone! Our baby boy and baby girl Halloween costumes are made with comfort in mind so your little one can enjoy the holiday even more. 

Choose from a broad range of colors, styles and themes - we carry everything from animals to career costumes to their favorite cartoon characters. Have a very little one? Party City’s newborn Halloween costumes are the perfect way for them to join in the fun. Browse our selection to find the perfect baby girl or baby boy Halloween costume today!