50+ Fun DIY Alien Costume Ideas for a Galactic Look

Whether you’re gearing up for Halloween, a themed party, or a comic convention, alien costumes can offer a unique visual impact and a fun experience.

If you’re tired of the same old store-bought alien outfits, why not try making your own one-of-a-kind alien costume?

diy alien costume

In this article, we’ll explore over 50 DIY alien costume ideas and plans, ranging from simple designs to more elaborate creations.

Whether you’re a crafting newbie or a seasoned DIYer, these ideas will help you create a stunning alien look that will make you the star of any event. Let’s dive into these creative costume ideas and start your alien costume adventure!

DIY Alien Costume with Lots of Eyeballs

Craft a colorful alien costume using styrofoam eyeballs and metallic glitter foam sheets.

DIY Extraterrestrial Kidnapping Outfit

Create your own abductee costume with a plain white jumpsuit and fabric paint. Here are some simple steps to follow:

  1. Start with a plain white jumpsuit or coveralls. You can find these at most costume or craft stores.
  2. Use fabric paint or markers to create alien symbols and designs on the jumpsuit. Think about incorporating geometric shapes and bright colors.
  3. Add some metallic or reflective tape to the jumpsuit to give it a futuristic look.
  4. Create a “beam me up” effect by attaching some LED lights to the jumpsuit. You can use a battery pack to power the lights.
  5. Finish off the look with some silver boots or sneakers.

With these easy steps, you can create a unique and eye-catching extraterrestrial abduction costume that is sure to turn heads at any Halloween party.

UFO and Alien DIY Couples Costume

Follow the Aww Sam tutorial to create a unique couples costume with silver leotards.

Alien Body Suit Costume

Consider a full-body alien suit made of stretchy, spandex-like material, designed with intricate details to mimic alien skin.

Some key features of an alien body suit costume include:

  • Full-body coverage: The suit covers your entire body, including your head, hands, and feet. This creates a seamless, otherworldly look that’s sure to turn heads.
  • Customizable design: There are many different styles of alien body suit costumes to choose from, so you can find one that suits your personal taste. Some suits have bright, neon colors, while others have a more muted, realistic look.
  • Comfortable fit: Despite covering your entire body, the suit is surprisingly comfortable to wear. The stretchy material allows you to move freely, and the breathable fabric prevents you from getting too hot or sweaty.
  • Easy to accessorize: Because the suit covers your entire body, you can easily add accessories like gloves, boots, or a mask to complete your look.

Whether you’re attending a sci-fi convention or just looking for a unique Halloween costume, an alien body suit is a great option. With its customizable design and comfortable fit, it’s sure to be a hit at any event.

DIY Super Martian Robot Girl Costume

Transform yourself into a futuristic superhero with a silver bodysuit, red and blue fabric accents, and foam tubing for robotic elements

Green Alien Wig

Complete your extraterrestrial costume with a stunning green alien wig. Get it now at a discounted price of 57% off. Advertisement continues below.

DIY Toy Story Alien Costume

Transform a simple blue dress into an impressive Toy Story inspired alien costume with crafting foam and felt. Don’t forget to complete the look with green face paint! Check out the tutorial at Hazel Stewart Art for step-by-step instructions.

DIY Toddler Alien Costume

Simply pair a comfy green dress or T-shirt and pants with the headband for a low-stress, comfortable look. This costume is perfect for toddlers and can easily be adapted for adults as well.

DIY Cardboard Spaceship Costume

 With just a few materials and some creativity, you can have a unique and fun costume that is sure to impress. Here’s what you’ll need:

  • Cardboard boxes (at least 2)
  • Scissors
  • Box cutter
  • Duct tape
  • Silver spray paint
  • Hot glue gun
  • String or elastic

Instructions:

  1. Start by cutting out the basic shape of your spaceship from the cardboard boxes. You will need one large box for the body of the spaceship and a smaller box for the cockpit.
  2. Use the box cutter to cut out windows and other details on the spaceship.
  3. Use duct tape to attach the smaller box to the top of the larger box, creating the cockpit.
  4. Spray paint the entire spaceship silver.
  5. Use hot glue to attach any additional details, such as wings or thrusters.
  6. Punch holes in the sides of the spaceship and attach string or elastic to create straps for wearing the costume.

With these simple steps, you can create a unique and fun cardboard spaceship costume that is sure to be a hit at any Halloween party.

DIY Alien in Spaceship Costume

Create a unique and adorable alien costume with a DIY spaceship! Simply decorate an inner tube with green tape and matching suspenders.

You can find green tape at your local shop. This idea is courtesy of the former Chica Circle blog.

DIY Space Cadet Costume

To create a DIY space cadet costume, you will need a metallic skirt, top, and a funky hairdo.

To add some sparkle, use eye-catching glitter makeup. For a step-by-step tutorial, visit From Jennifer Ann. Don’t forget to shop for glitter makeup to complete the look.

DIY Alien Headband

Create a unique alien headband using green pipe cleaners as the foundation. This DIY project is suitable for all ages, from toddlers to adults. Check out the tutorial on Ladyland for step-by-step instructions. Don’t forget to shop for green pipe cleaners before you start.

DIY Alien Makeup

Create a simple yet chic alien look by using a monotone makeup that matches your outfit. Pair it with a cute hairstyle that screams “posh alien about town.”

DIY Futuristic Alien Family Costume

Transform your family into a futuristic alien crew with this DIY costume idea. Hunt for second-hand items and spray paint them with metallic colors to create an out-of-this-world look. 

Retro Alien

 

 
 
 
 
 
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Pastel Alien

 

 
 
 
 
 
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Dark Grey, Dark Matter

 

 
 
 
 
 
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Green Like Envy

 

 
 
 
 
 
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Interstellar Aliens

 

 
 
 
 
 
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Rose Quartz

 

 
 
 
 
 
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Look with a Look

 

 
 
 
 
 
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Piccolo from Dragon Ball Z

 

 
 
 
 
 
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Starfire

 

 
 
 
 
 
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Blue Face Alien

 

 
 
 
 
 
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Cosmic Angel

 

 
 
 
 
 
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Stellar Night Out Alien

 

 
 
 
 
 
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Star Wars Warrior

 

 
 
 
 
 
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Diamond Space Queen

 

 
 
 
 
 
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Purple and Silver

 

 
 
 
 
 
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Woman Alian Costume

 

 
 
 
 
 
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All of the Green Lights

 

 
 
 
 
 
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Chosen by the Claw

 

 
 
 
 
 
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Unidentified Fabulous Object

 

 
 
 
 
 
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Aliengel

 

 
 
 
 
 
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Alien of the Earth

 

 
 
 
 
 
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Space Cowgirls

 

 
 
 
 
 
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Highlighter Martian

 

 
 
 
 
 
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We Come in Green

 

 
 
 
 
 
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Deep Sea Aliens

 

 
 
 
 
 
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Really Extra Terrestrial

 

 
 
 
 
 
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Sequin and Silver

 

 
 
 
 
 
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Sexy Homemade Alien Invader Costume

Sexy Homemade Alien Invader Costume

 

Adorable Gizmo and Stripe Gremlins Costumes

Adorable Gizmo and Stripe Gremlins Costumes

Eyes in the Sky

 

 
 
 
 
 
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Original Homemade Alien Halloween Costume

Original Homemade Alien Halloween Costume

Guardian of the Galaxy

 

 
 
 
 
 
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Amazing Alien Girl Costume

Amazing Alien Girl Costume

Intergalactic Cyclops

 

 
 
 
 
 
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Coolest Alien with Flying Saucer Costume

Coolest Alien with Flying Saucer Costume

 

Coolest Alien and UFO costume

Coolest Alien and UFO costume

 

Coolest Homemade Alien Costumes

Coolest Homemade Alien Costumes

 

Coolest Homemade Alien Halloween Costume Idea

Coolest Homemade Alien Halloween Costume Idea

 

Epic Ellen Ripley and Alien Couples Costume

Epic Ellen Ripley and Alien Couples Costume

Summary

To create a DIY alien costume, you’ll need a few key materials such as metallic fabric, foam sheets, and LED lights. Start by designing your alien’s features and creating a pattern for your costume.

Then, cut and sew the metallic fabric to create the body of your costume. Use foam sheets to create the headpiece and other details such as spikes or antennae. Finally, add LED lights to give your costume an otherworldly glow. With a little creativity and patience, you can create a unique and impressive alien costume that’s sure to turn heads.

diy alien costume

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