30 Trending Halloween Costume Ideas for Kids That Will Spark Fun

Finding the perfect Halloween costume ideas for kids can either be a blast or a bit of a challenge. Not every child has an easy go-to option, so it’s tempting to grab a store-bought superhero outfit and call it a day. But why not take it a step further and get a little creative? Whether you're looking for Halloween costume ideas for boys, girls, or even DIY options, we’ve got you covered! Below is a collection of 30 fantastic childrens Halloween costumes ideas that are sure to make their night even more magical and fun.

Halloween Costume Ideas For Boys

Looking for the coolest boys’s costume ideas for halloween activities this year? We’ve rounded up the best options, from classic superheroes to the latest trends inspired by the most popular characters and movies. Whether your little one is after something spooky, adventurous, or downright fun, our guide covers you. 

• Pokémon Halloween Costume Ideas For Kids/Boys

Since its debut in 1997, Pokémon has remained a favourite among kids. You can bring their love with a Pokémon costume idea, easily complete with a hooded jumpsuit and detachable wings. 

Pokémon Halloween Costume Ideas For Kids/Boys

• Kids Vampire Costume

For a spooky twist, the classic vampire costume never goes out of style. With a sharp cape, and dark clothing, your little one can transform into a charming yet eerie vampire prince. Let him step into Halloween as a dashing and sophisticated figure of the night, perfect for trick-or-treating in style.

Kids Vampire Kids Halloween Costume Ideas

• Skeleton Childrens Halloween Costumes Ideas

Simple but effective, skeleton kids Halloween outfits are always hit. With glow-in-the-dark bones and a black jumpsuit, your child will be ready to haunt the night, making this an easy yet fun choice for the holiday.

Kids Skeleton Costume

• Kids Spider-Man Skin Suit Costume

Spider-Man will never stop being a hit with kids, and this Halloween is no exception. With his signature web-slinging action, the Spider-Man suit lets kids fully immerse themselves in the superhero’s world. This skin-tight costume gives them the freedom to run, jump, and save the day in true Spidey style!

Kids Spider-Man Skin Suit Costume

• Kids Iron Man Costume Deluxe - Avengers: End Game

The Marvel Universe is not just famous for its superhero films; it also offers tons of incredible character costume ideas. Iron Man in End Game features intricate details and a sleek design in costume, allowing your boys to step into the role of their favourite superhero and feel like they’re ready to save the world.

Iron Man Childrens Halloween Costumes Ideas

• Minions Cartoon 

Minions are a beloved choice for kids, thanks to their signature large, round eyes that are often magnified by their goggles, and their bright yellow skin that exudes cheerfulness. With their short, stubby bodies and characteristic overalls, they look both adorable and comical. Their playful antics and lovable personalities will make your kid really fun in this year October 31st.

Minions Cartoon Kids Halloween Costume Ideas

• Kids Inflatable Alien Abduction Costume

Let your child's imagination take flight with the inflatable alien abduction costume! This playful outfit features a whimsical design that gives the illusion of being lifted into a UFO, complete with bright green colours like it's hugging your little boy.

Kids Inflatable Alien Abduction Costume

• Kids Astronaut Kids Halloween Outfits

For aspiring space explorers, the kids astronaut costume is a stellar choice! With a jumpsuit featuring official-looking patches and a shiny helmet, your little one will be ready to embark on a galactic adventure. 

Kids Astronaut Costume

• Mario And Luigi Kids Halloween Outfits

Following the success of The Super Mario Bros. Movie, the demand for Mario and Luigi costumes has surged among young fans. With their iconic red and green outfits, complete with hats and moustaches, these beloved characters are perfect for little ones looking to embrace their adventurous side.

Mario And Luigi For Halloween Costume For Kids

• Kids Kong Costume - Godzilla vs. Kong

To close the Halloween Costume Ideas For Boys collection, I highly recommend you that transform your child into the mighty Kong with this exciting costume inspired by Godzilla vs. Kong. With a detailed fur-like bodysuit and a fierce mask, your little one will embody the strength and bravery of this iconic character. 

Kids Kong Costume - Godzilla vs. Kong

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Halloween Costume Ideas For Girls

Here are some predictions for the hottest trends of 2024 that are sure to delight your little girl. From enchanting fairytale characters to fierce superheroes, these costumes will ensure your little girl stands out and has a blast this Halloween.

• Dallas Cowgirls For Kid Version

It’s impossible to scroll through TikTok without seeing the Dallas Cowgirls trend making waves! This costume is set to be one of the hottest choices for kids in 2024. Young fans can embrace the spirit of the Wild West with stylish outfits featuring cowboy hats, fringed jackets, and playful accessories. For added flair, you can explore hottest makeup looks and accessory pairings that will be suitable for your kids.

Dallas Cowgirls For Kid Version

• Disney Little Mermaid Ariel Costume for Girls

A costume that absolutely cannot be missed this Halloween is the Disney Little Mermaid Ariel. These Halloween costume ideas for kids design feature Ariel's signature flowing red hair and a stunning, sparkling mermaid tail. Your little one will feel like they’ve stepped straight out of the ocean and into a fairytale, ready to explore the depths of their imagination on October 31st this year.

Disney Little Mermaid Ariel Costume for Girls

• Girl's Harry Potter Classic Hermione Costume

Harry Potter continues to reign supreme as a top costume idea, not just for adults but for kids as well. The Harry Potter theme knows no age limits, your little witch will feel just like Hermione Granger with this classic costume. So guys, don’t hesitate to compete with her iconic robes and wand, ready to attend Hogwarts School of Witchcraft and Wizardry this Halloween.

Girl's Harry Potter Classic Hermione Costume

• Deluxe Witch Costume for Girls

Of course every Halloween, the classic witch costume is always a staple, and this luxurious-looking witch costume is magical. For a trendy dress-wearing, pointed hat-wearing, and sparkly sparkle kid, your little one will envy everyone with a wand by the time he or she is done.

Deluxe Witch Costume as Kids Halloween Costume Ideas

• Pumpkin Halloween Costume

Apart from the traditional witch costume, this pumpkin outfit is another idea that will always be fashionable for your child! This costume is quite versatile and can be useful to create stunning pumpkin princess dresses for your child or fun pumpkin-shaped top. To improve the style, one can add whimsical pumpkin-inspired trinkets or an excited Halloween-humble-orange-bucket, that is more appealing. 

Pumpkin Halloween Halloween Costume Ideas For Kids/Girls

• Girl's Long Sleeve Dress Wonder Woman Costume

You can empower your little one to channel her inner superhero with the Girl's Long Sleeve Dress Wonder Woman Costume. This outfit features the iconic red, blue, and gold design that embodies strength and bravery. She’ll feel ready to save the day while turning heads at any Halloween event.

Girl's Long Sleeve Dress Wonder Woman Costume

• Girls Snow Leopard Halloween Costume For Kids

Featuring a soft, plush fabric and a cute leopard print design, Snow Leopard Halloween ensures comfort while still being eye-catching. With its playful ears and fluffy tail, your little one will love strutting her stuff as this enchanting creature this Halloween.

Girls Snow Leopard Costume

• Classic Dorothy Wizard of Oz Costume for Girls

No Halloween is complete without the timeless charm of Dorothy from The Wizard of Oz! This classic Halloween costume ideas for kids features a blue gingham dress paired with a matching hair bow, making your little girl look just like the beloved character. Whether she’s off to see the Wizard or collecting candy, this outfit is sure to bring magical moments.

Classic Dorothy Wizard of Oz Costume for Girls

• Girl's Catholic Nun Costume

For a unique twist this Halloween, consider the Girl's Catholic Nun Costume. This outfit includes a traditional black dress with a white collar and a matching headpiece. It's perfect for those who want to embrace a classic and playful look while celebrating the spirit of Halloween in style.

Girl's Catholic Nun Halloween Costume For Kids

• Wednesday Dress Costume

This enchanting outfit showcases a sleek black dress adorned with a crisp white collar, perfectly capturing Wednesday's signature style. Pair it with braided hair and a mysterious gaze, and she’ll effortlessly embody the beloved character from the Addams Family.

Wednesday School Uniform Girl's Fancy Dress Costume

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Easiest DIY Halloween Costumes For Kids To Make

Aside from the exciting Halloween costume ideas for kids we've shared, DIY costumes are a fantastic option if you have the time and want a more hands-on experience. We’ve rounded up the easiest DIY Halloween costumes for kids, complete with materials needed.

• Space Girl Costume

Materials needed:

👚 One-piece pyjamas (at least two sizes larger)

🛠️ Silver duct tape

🎨 Silver spray paint

🪠 Small plunger

🧵 Elastic fabric band (to secure the hat)

🏵️ Hula hoop

📏 Long strips of silver duct tape (to attach the skirt)

Diy Space Girl Kids Halloween Outfits

• Vampire Bat Costume

Materials needed:

☂️ Old umbrella

✂️ Scissors

🛠️ Black duct tape

📐 Stiffened felt

👒 Headband

🔥 Hot glue gun

DIY Vampire Bat Halloween Costume For Kids

• DIY Cardboard Spaceship Costume

Materials needed:

📦 Cardboard

☂️ Clear umbrella (child-sized)

✂️ Scissors

🎨 Paint (optional, for decoration)

🛠️ Tape or glue

DIY Cardboard Spaceship Costume

• Troll Costume

Materials needed:

👢 Furry leg warmers

🧵 Thick craft wire

🧢 Toque (knit hat)

🌸 Fake flowers and butterflies

🎀 Ribbon

📌 Velcro

👚 Pink pyjamas, top and skirt or dress

🔥 Hot glue gun

Troll Costume Halloween Costume Ideas For Kids

• Jelly Fish

Materials needed:

☂️ Clear umbrella

🎀 Silver and/or white ribbon

👁️ Plastic eyes

👚 White top and bottom

DIY Jelly Fish Costume For your Kids

• Number 2 Pencil

Materials needed:
🌟 Yellow dress or top and bottom
📏 White poster board
🎨 Black and yellow paint (optional)
🧵 Elastic band to keep the hat on

Diy Number 2 Pencil Diy Halloween Costumes For Kids

• Lego Block

Materials needed:

📦 Cereal box
🥚 Egg carton
🎨 Paint
👚 Solid colour top and bottom to match paint
🧵 Matching yarn or string to tie Lego block

DIY Lego Block Costume

• Bubble Bath

Materials needed:

👕 White top and bottoms

🎈 White balloons

📌 Safety pins

🧽 Sponge or scrub brush

🦆 Rubber duck

🛁 Shower cap

Bubble Bath Diy Halloween Costumes For Kids

• Gum Ball Machine

Materials needed:

👕 White t-shirt

👖 Solid colour pants

📋 White index card

🖊️ Black permanent marker

📌 Safety pin

🔵 Coloured felt balls

🔥 Hot glue sticks

🔥 Hot glue gun

Gum Ball Machine

• Ice Cream Server

Materials needed:

🥿 Shoe box

📜 White craft paper

📏 Construction paper

📦 Cardboard box

🖍️ Markers or paint

👗 White apron

🍦 Ice cream hat

Ice Cream Server