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Witches and ghouls, October 31 is coming sooner than you think!!! The time has almost come to eat a ridiculous amount of candy and flex on the ‘Gram in your painstakingly-crafted costume. Wait, what’s that? You still don’t have one?! Allow me to help you figure out where to buy Halloween costumes online—before it’s too late.

I used to always find my costume via a trip to Party City or Spirit Halloween with my closest girlfriends. Now that I live in New York City, though, major retailers like this are few and far between. There are a few, but don’t even try stopping by in October unless you want to wait on a line of other New Yorkers desperate for a last-minute costume.

Thank goodness for the Internet, am I right? There are tons of places to buy cool Halloween costumes online, whether you’re looking to go scary, sexy, trendy or just need a few lil accessories to wrap up your DIY creation.

Make the post of Prime 2-Day Shipping on Amazon, browse sites like PrettyLittleThing and boohoo for Insta-worthy pieces, or head over to dedicated Halloween costume sites for an obscene amount of options. It’s almost Halloween and the costume world is your oyster.

Below, check out our favorite retailers and find your perfect look.

Our mission at STYLECASTER is to bring style to the people, and we only feature products we think you’ll love as much as we do. shopDisney is a STYLECASTER sponsor, however, all products in this article were independently selected by our editors. Please note that if you purchase something by clicking on a link within this story, we may receive a small commission of the sale.

Mrs. Incredible Costume for Adults

Courtesy of shopDisney.

1. shopDisney

You can find some of the best, most realistic costumes at shopDisney, where they offer a vast selection of Star Wars and Pixar ensembles like this Mrs. Incredibles one. Here, you’ll be able to live out your dream of becoming a Disney princess, galactic hero, or cartoon character.

STYLECASTER | Where To Buy Halloween Costumes

Courtesy of Leg Avenue.

No surprise here, Amazon is a great costuming go-to, especially if you plan on waiting until the last minute to decide on your look
. God bless Prime 2-Day shipping, am I right? If you prefer a DIY costume, Amazon is also a great option for rounding up supplies.


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of

Of course, dedicated Halloween costume sites should be an obvious go-to. has tons of options, and you can even filter by full-coverage vs. sexy depending on your plans. Wink, wink.


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of has you covered when it comes to costumes by category. Shop Classics, Funny, History & Culture, Celebrations, Scary, Storybook & Fairytale and TV, Movies and Pop Culture. Guarantee you’ll find something you love!

Dreamgirl Frightfully Beautiful Adult Costume

Courtesy of Target.

Y’all, don’t sleep on Target’s Halloween offerings! They’ve got tons of incredible costumes for the whole family—even pets! Their range of adaptive costumes is especially great for anyone who uses a wheelchair and wants to find a costume that’s as comfortable as it is cute—or spooky.


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of gets even more fun (if that’s possible) during the month of October! Shop an array of women’s costumes from old classics to pop culture references. Prepare to scroll through options galore!


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of Yandy.

Oh, you’re looking to serve ~sexy spooky~ vibes? Yandy is for you. They always nail the sexy halloween costume selection, whether you’re looking to show a little leg or opt for full-on lingerie. You do you, boo!


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of Spencer’s.

Remember that store in the mall you used to giggle in with your middle school friends? It’s a low-key great option for Halloween goods. Spencer’s has unique categories like Gaming & Anime, plus incredible group and couples costumes and my personal favorites, an array of snack and food chain costumes like this Cheetos one.

STYLECASTER | Where To Buy Halloween Costumes

Courtesy of PrettyLittleThing.

I love PLT for trendy going-out clothes, so why wouldn’t I turn to them when going out on October 31? PrettyLittleThing’s costume section features tons of sexy basics you can mix and match with Halloween accessories to create a full costume. Or, just throw them on with a pair of ears and look hot.


STYLECASTER | Where To Buy Halloween Costumes

Courtesy of boohoo.

Another fast fashion site with an incredible costume lineup is bohoo. While not always full-on pre-packaged “costumes,” they’ve got all the right items you can use to piece together your perfect spooky look. My favorite this year is their off-brand Power Ranger selection in tons of colors. Great group costume alert!

STYLECASTER | Where To Buy Halloween Costumes

Courtesy of Hot Topic.

Hot Topic is another store I loved for as an angsty teen and now turn to exclusively for Halloween costumes. And damn, do they deliver! They’ve got tons of trendy straight and plus-size options to choose from, in addition to accessories, masks and “costume tees,” a great alternative when you can’t be bothered with a full look.

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