Today's Best Deals
Best Kids Halloween Costumes of 2026
We compared 306 kids halloween costumes listings on Amazon UK and ranked the 10 best deals available right now, with prices starting from £5.99. Rankings reflect real customer ratings and current prices.
Morph Alien Costume, Alien Costumes Kids, Halloween Costumes for Kids
- Alien Costume Kids Includes: 1 Morph Green Inflatable Alien Costume with a hilarious "pick me up" alien abduction illusion, battery-operated fan (requires 4 AA batteries, not included), and convenient internal pocket.
- One Size Fits Most Kids: Our inflatable alien costume kids adore fits comfortably across a wide range of children's sizes (typically ages 5–11). See our easy-to-follow size chart in the images for the perfect fit.
- Funny Inflatable Alien Design: Delight your child and friends with the outrageously fun "alien carrying human" design—perfect as a boys Halloween costume and guaranteed to spark laughter and fun at parties or trick-or-treating.
Haozozo Kids Halloween Plague Doctor Costume, Boys Halloween Costumes 9-10, Kids Medieval Plague Doctor Fancy Dress Perfect For Trick-Or-Treating & World Book Day (140cm)
- Kids Halloween Costume: Our plague doctor costume includes: 1 Black Robe, 1 Detachable Hood, 1 Adjustable Plague Doctor Mask (with goggles), 1 Hat, 1 Notebook, 1 Pair of Gloves, 1 Necklace, and 1 Walking Staff. Everything needed for an instantly scary halloween costumes look!
- Safe & Comfortable Wear: The plague doctor's adjustable leather mask is designed with air vents to ensure smooth breathing and prevent glasses from fogging. The robe and hood of kids halloween costume are crafted from 100% high-quality, soft, skin-friendly polyester – comfortable, breathable, and odour-free. This boys halloween costume is machine washable, colourfast, and wrinkle-resistant.
- Unique & Interactive Design: Our plague doctor costume kids packed with versatile accessories! Mix and match with other kids halloween costumes. The staff detaches for easy handling, and the notebook features a belt loop for carrying. The layered decoration design of the hood + hat greatly enhances the eerie and mysterious image of the child as a plague doctor, stimulating the child's imagination.
Amazon
Morphsuits The Rake Costume for Kids, Halloween Costumes for Kids, L
- The rake costume for kids is a full-body grey morphsuit with a photo-realistic printed design depicting the creepypasta creature, featuring a close-fitting hood, reinforced double stitching and an easy zip fastening
- Sizes Available: S (4-6 years), M (7-9 years), L (10-12 years), XL (12-14 years), made from 91% polyester and 9% elastane for a stretchy, second-skin fit that allows free movement during active Halloween fun. Refer to size ch
- Perfect for Halloween, haunted events and fancy dress parties, this morphsuits for kids design helps children become a chilling internet legend and make a spine-tingling entrance at every seasonal celebration
Amazon
Rubies Marvel Spider-Man Classic Child Costume, Blue-Red,S (3-4 years / 104cms) Halloween
- Marvel Superhero Icon: Spider-Man Is One Of Marvel'S Most Beloved Web-Slinging Heroes, Famous For His Incredible Powers And Iconic Red And Blue Suit. A Firm Favourite For Halloween And Book Day Dress Up
- Complete Costume Set: Includes A Bold Red And Blue Printed Jumpsuit And A Matching Snood, Delivering A Full Spider-Man Look Straight Out Of The Marvel Universe With Minimal Fuss And Maximum Impact
- Perfect For Every Occasion: An Ideal Choice For Halloween, Book Day, Superhero Parties, And Fancy Dress Events. A Brilliant Gift For Any Marvel Fan Aged 3 To 8 Who Dreams Of Swinging Through The City
Rubies Official 'Five Nights At Freddy's' Kids Foxy Costume, Kids Fancy Dress Halloween, Size Age 9-12 Years
- Official Licensed Five Nights At Freddy Costume: Become The Legendary Pirate Fox With This Officially Licensed Five Nights At Freddy'S Foxy Costume, Perfect For Halloween, Gaming Parties, Comic Con And Cosplay Events
- Complete Foxy Look: Includes A Bold Red Jumpsuit With Printed Chest Detail, Matching Mitts Featuring Foxy'S Signature Hook Hand And A Full Character Mask For An Instantly Recognisable Animatronic Look
- Perfect For Fnaf Fans: Ideal For Halloween, Gaming Parties, Comic Con, Cosplay And Fancy Dress Events. A Fantastic Gift For Five Nights At Freddy'S Fans Looking To Complete The Ultimate Group Costume
Amazon
Monster Onesie Kids Halloween Costumes Hooded Jumpsuit
- Character Design:Big mouth monster onesie brings playful cartoon styling for children’s party activities; features 6 distinct bright‑coloured monster options with fuzzy hair details; includes a matching mini monster pocket on the front torso; full head covering hides kids’ faces for immersive role‑play; integrated plush foot covers remove the need for separate slippers; loose wide cut lets little ones run, jump and dance freely at Halloween, fancy‑dress events or sleepover gatherings
- Kid‑Friendly Fit:Monster onesie kids is tailored with a relaxed roomy silhouette to suit growing children; generous arm and leg space avoids tight restriction during long‑time wear; hidden side hand pockets offer small storage for tiny toys; seamless torso construction prevents uncomfortable rubbing against skin; full‑length jumpsuit design delivers complete coverage from head down to feet; ideal for all‑day costume activities at themed birthday parties or family dress‑up games
- Flexible Usage Scenes:Silly onesie delivers fun‑filled outfit choice for multiple casual and festive occasions; works perfectly as a Halloween costume; fits well for school fancy dress competitions; brings joy for indoor sleepover play sessions; suitable for stage performance, carnival parades and photo‑shoot events; the vivid monster appearance helps kids stand out in group activities and enjoy hours of imaginative pretend‑play with friends
Amazon
MELAND Witch Costume Kids, Light Up Halloween Costumes for Girls Aged 3-10
- MELAND Kids Halloween Costumes Have Everything Your Little Princess Needs to Sparkle on Halloween Night. This kids' witch costume set includes a sparkling purple lace witch dress, a light-up broom, a light-up witch hat, and a pumpkin candy bag. With just this one complete set, your girl can be transformed into the most dazzling magical messenger on Halloween!
- Light-Up Design Is Making Your Daughter The Center of Attention. Lights flash in rainbow colors on the dress hem, hat, and broom, flickering like moving starlight. When your kid's out trick-or-treating in the pumpkin patch or hitting the neighborhood haunted house, they will wonder how your little princess is dressed in Halloween filters.
- This Unique Design Will Fulfill All Your Child's Imaginings of a Magical Witch. Purple and magical charm create an enchanting yet eerie look. The purple satin has a soft shimmer and looks gorgeous under lights. This girl's Halloween costume blends elegance and spooky glamour perfectly. It's perfect for creating an enchanting yet mysterious look.
Amazon
Spooktacular Creations Funky Punky Bones Colorful Skeleton Deluxe Girls Costume Set with Hair Extensions for Halloween Costume Dress Up Parties
- Girl’s and Kids Skeleton Funky Punk Bones Costume, includes Multi-Colored Shirt, Skirt, 2 Sleeves, a Pair of Leggings and Hair Extensions!
- Funky Skeleton Girl and Child Rainbow Dash Costume Deluxe Set. Cute and Elegant Looking. Super Durable and Soft Fabric. Light Weight. higher Quality. 100% Polyester. Multi-colored Bones printed on all over the Costume set. CHILD SAFE: Non-Toxic. Meet US Toy Standard. Safety Test Approved.
- Super Value Pack for Funky Bones and Color Neon Skeleton Role Play and Party Supplies. Excellent for Artwork and Masterpiece Costumes Dress Up Parties, Toddler, Teen and Girls Halloween Xray Skeleton Role Play Costumes Accessories,
We scan the most relevant kids halloween costumes listings on Amazon UK, covering major brands and models, and shortlist the strongest offers available right now.
Rankings for today's best kids halloween costumes reflect real Amazon customer star ratings and review counts, together with current prices, so the list shows what's actually available.
What we concluded:
Our overall winner is Morph Alien Costume, Alien Costumes Kids, Halloween Costumes for Kids. It stands out for the right balance of quality, performance, and value.
What sets it apart:
- Alien Costume Kids Includes: 1 Morph Green Inflatable Alien Costume with a hilarious "pick me up" alien abduction illusion, battery-operated fan (requires 4 AA batteries, not included), and convenient internal pocket.
- One Size Fits Most Kids: Our inflatable alien costume kids adore fits comfortably across a wide range of children's sizes (typically ages 5–11). See our easy-to-follow size chart in the images for the perfect fit.
- Funny Inflatable Alien Design: Delight your child and friends with the outrageously fun "alien carrying human" design—perfect as a boys Halloween costume and guaranteed to spark laughter and fun at parties or trick-or-treating.
The best value for most shoppers is amscan 9902692 Childs Zombie Cheerleader Fancy Dress Halloween Costume High School Outfit (9-10 Years), the lowest-priced pick in our top 10 at £5.99.
The strongest deal right now is Morphsuits The Rake Costume for Kids, Halloween Costumes for Kids, L. It offers premium features at a competitive price point.
How to Choose the Best Kids Halloween Costumes
Choose between electronic features and simple stretch fabrics
Costumes with active features add extra visual effect in the dark. The Amscan Kids Halloween Glaring Grim Reaper features mask LED eyes, while the Morph Alien Costume uses a battery-operated fan to maintain its inflatable pick-me-up illusion. If you prefer quiet outfits without battery needs, the Morphsuits The Rake Costume relies on glow-in-the-dark skeleton graphics on 4-way stretch fabric with a quick-release hook and loop hood.
Decide on full accessory bundles or simple outfits
Outfits vary in how many extras come in the packet. The Kids Performance Outfit Sequin Costume provides a fedora, sunglasses, single sequined glove, inner t-shirt, jacket, and pants, while the Luchild Kids Cosplay Costume includes 74 temporary tattoo stickers alongside its top, trousers, and jacket. Conversely, the Amscan Glaring Grim Reaper includes the mask and robe but omits the toy scythe, and the Rubies Marvel Spider-Man Classic Child Costume keeps things simple with a printed jumpsuit and matching snood.
Check fabric care and maintenance needs
Machine-washable costumes make cleaning up after parties easier. The Luchild Kids Cosplay Costume uses polyester fabric that withstands repeated washing without fading or shrinking, and the Aomig Kids Ninja Costume features removable soft plastic accessories so the suit can go into the washing machine. Inflatable options like the Morph Alien Costume require more careful handling because of the internal fan housing and battery pack.
Match the character design to your child's age group
Sizing ranges differ across character outfits. The Rubies Marvel Spider-Man Classic Child Costume offers specific age-bracket fits, such as Small for ages 3 to 4 and Medium for ages 5 to 6. For older children, the Rubies Official Five Nights At Freddy's Kids Foxy Costume targets ages 9 to 12 with its printed jumpsuit, hook hand mitts, and full mask, whereas the Amscan Glaring Grim Reaper is tailored for ages 8 to 10.
Buying Guide & FAQ
What is the best kids halloween costumes deal right now?
Our current top-ranked deal is the Morph Alien Costume, Alien Costumes Kids, Halloween Costumes for Kids at £32.99.
How much does a kids halloween costumes cost?
Across our top 10 picks, prices currently range from £5.99 to £32.99 on Amazon UK.
Which kids halloween costumes come with props and extra accessories?
The Aomig Kids Ninja Costume includes red shoulder straps, a mask, belt, gloves, and soft plastic removable accessories. The Kids Performance Outfit Sequin Costume includes a fedora hat, sunglasses, a single sequined glove, t-shirt, jacket, and pants. The Luchild Kids Cosplay Costume comes with a top, trousers, jacket, and 74 temporary tattoo stickers.
Do any of these kids halloween costumes require batteries?
Yes, the Morph Alien Costume includes a battery-operated fan that requires 4 AA batteries to keep the suit inflated. The Amscan Glaring Grim Reaper features built-in LED eyes in the mask. Outfits such as the Morphsuits The Rake Costume use passive glow-in-the-dark fabric rather than batteries.
Are these kids halloween costumes suitable for machine washing?
The Luchild Kids Cosplay Costume and Atorcher Stage Performer Costume Sets are made of polyester that is suitable for machine washing. The Aomig Kids Ninja Costume features soft plastic accessories that are removable so the main outfit can be machine washed. Inflatable costumes with fans, such as the Morph Alien Costume, cannot be machine washed.
What comes included with the Rubies Marvel Spider-Man Classic Child Costume?
The Rubies Marvel Spider-Man Classic Child Costume includes a full red and blue printed jumpsuit and a matching snood. It is available in sizing options including Small for ages 3 to 4 (104cm) and Medium for ages 5 to 6 (116cm).
Which options suit kids looking for a gaming or character theme?
The Rubies Official Five Nights At Freddy's Kids Foxy Costume offers a licensed gaming look with its pirate fox jumpsuit, hook hand mitts, and mask. Superhero fans can opt for the Rubies Marvel Spider-Man Classic Child Costume, while pop music fans can choose the Atorcher Stage Performer Costume Set or the Luchild Cosplay Costume.
Does the Amscan Glaring Grim Reaper costume include a toy weapon?
No, the Amscan Glaring Grim Reaper costume includes the reaper robe with mock belt, hood, gloves, and an LED mask, but the toy weapon is not included in the packet.