15 DIY Easy Halloween Costumes

Ever found yourself scrambling for a Halloween costume last minute? You’re not alone! Whether you’re short on time, budget, or creativity, there's always a way to pull together something fun and festive without a trip to the store. With a little creativity and a few things you already have around the house, you can create a fun, festive look that will turn heads. Here are 10 easy DIY costume ideas that will make your Halloween a breeze! 

Classic Ghost

Grab a white sheet, cut out two eye holes, and you’ve got yourself a timeless classic. It’s simple, spooky, and always a hit. 

Cat Ears and Makeup

Black outfit? Check. Draw on some whiskers and a cute little nose with eyeliner. Top it off with some DIY cat ears made from cardboard or an old headband. 

Cactus

Dress in green and glue white pipe cleaners shaped like spikes all over. Top it off with a bright flower headband, and voilà, you’re a cactus! 

Scarecrow

Throw on a flannel shirt and some old jeans. Use eyeliner to draw stitch marks on your face, stuff some hay in your pockets, and voilà—a friendly scarecrow! 

Social Butterfly

Wear butterfly wings and attach cutouts of social media logos like Instagram, Facebook, and Twitter to your outfit for a clever “social butterfly” costume. 

Superhero

Wear a solid-color T-shirt, grab a fabric cape (or make one out of an old sheet), and craft your own emblem using paper or felt. You’re now a superhero.

Instagram Post

Create a cardboard cutout that looks like an Instagram post frame and wear it over your regular clothes. Personalize it with likes and comments! 

Mad Scientist

White lab coat (or an oversized white shirt), some safety goggles, and wild, teased hair—instantly become a quirky mad scientist ready to invent something spooky! 

Bank Robber

Black and white striped shirt, black beanie, and a mask. Carry a money bag, and you’re an instant bank robber—simple and classic! 

Pizza Slice

Cut a large piece of cardboard into the shape of a pizza slice and paint it with your favorite toppings. Attach it to yourself with straps or wear it over your head. 

Book Character

Pick your favorite book character, like Harry Potter or Katniss Everdeen. You can throw together their iconic looks with items you probably already have in your closet! 

Mummy

Get some white bandages or torn-up sheets and wrap them around yourself loosely. It’s creepy, comfy, and a total DIY win! 

Error 404 Costume Not Found

Wear a plain white t-shirt and write “Error 404: Costume Not Found” on it. It’s simple, easy, and funny! 

Lifeguard

Wear a red outfit, add a whistle, and carry a flotation device. You’ll be ready to “save” everyone at the party! 

Pirate

Find a striped shirt, a bandana, and an eye patch. Pair them with some black pants, and you’re ready to sail the high seas! 

Ready to make this Halloween extra special? Why not try our free AI Halloween Costume Generator at CelebrateAlly. It’s fun, fast, and will give you endless costume ideas—tailored just for you!