Exclusive Halloween Costumes

1 - 60 of 1,332

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Adult Deluxe Long Dress Wonder Women's Costume

£58.99£48.99-£58.99*

Sale - 56%

Child Harley Quinn Jumpsuit Costume

£43.99£19.99

Sale - 17% Exclusive

Disney Little Mermaid Women's Ursula Prestige Costume

£116.99£97.99-£116.99*

Sale - 18% Exclusive

Disney Beauty and the Beast Gaston Men's Costume

£53.99£43.99-£53.99*

Sale - 17% Made By Us

Adult Sea Turtle Costume

£58.99£48.99-£67.99*

Sale - 33% Made By Us

Plus Size Premiere Santa Suit Costume

£262.99£174.99-£194.99

Clearance Made By Us

Men's Griff Back to the Future II Costume

£126.99£48.99-£58.99

Sale - 36% Exclusive

Women's Plus Size Foxy Disco Lady Costume

£58.99£33.99-£58.99*

Sale - 14% Exclusive

Deluxe Plus Size Harry Potter Snape Costume

£106.99£92.99-£106.99*

Sale - 14% Made By Us

Pretty Mad Hatter Women's Costume

£67.99£58.99-£67.99*

Sale - 17% Made By Us

Noble Renaissance Man Costume

£58.99£48.99-£58.99*

Sale - 30% Exclusive

Women's Deluxe Harry Potter McGonagall Costume

£97.99£67.99-£97.99*

Harry Potter Plus Size Womens Deluxe Hermione Gryf

Sale - 22% Exclusive

Plus Size Women's Deluxe Hermione Costume

£43.99£33.99

Plus Size Classic Scooby Doo Velma Costume Update 1

Sale - 22% Exclusive

Classic Plus Size Scooby Doo Velma Costume

£43.99£33.99-£43.99*

Sale - 14% Exclusive

Women's Caped Wonder Woman Costume

£33.99£29.99-£33.99*

Sale - 20% Exclusive

Winnie the Pooh Deluxe Adult Costume

£48.99£38.99-£43.99

Sale - 25% Made By Us

Men's Dapper Tweedle Dee/Dum Costume

£38.99£29.99-£33.99

Sale - 30% Exclusive

Wonder Woman Adult Long-Sleeved Dress

£48.99£33.99-£48.99*

Studio Disco Mens Gold Costume Plain UPD

Sale - 22% Made By Us

Studio Disco Men's Costume

£43.99£33.99-£43.99*

Sale - 25% Exclusive

Wizard of Oz Glinda Adult Costume

£58.99£43.99-£58.99*

Sale - 25% Exclusive

Adult Obi-Wan Costume

£58.99£43.99-£48.99

Sale - 14% Made By Us

Mafia Men's Underboss Costume

£33.99£29.99-£38.99*

Kim Possible (Animated) Womens Shego Costume Update

Sale - 18% Exclusive

Kim Possible Animated Series Women's Shego Costume

£53.99£43.99-£53.99*

Sale - 17% Made By Us

Adult Vintage Baseball Costume

£58.99£48.99-£67.99*

Sale - 13% Made By Us

Jimi Hendrix Men's Deluxe Jacket Costume

£77.99£67.99

Wonder Woman Plus Size Long-Sleeved Dress upd

Sale - 25% Exclusive

Plus Size Wonder Woman Long Sleeve Women's Dress Costume

£58.99£43.99-£48.99

Men's Deluxe Harry Potter Sirius Costume

Sale - 15% Exclusive

Adult Deluxe Harry Potter Sirius Costume

£97.99£82.99

Sale - 29% Exclusive

Women's Sexy Midnight Moth Costume

£82.99£58.99

Sale - 9% Made By Us

Adult 20s Newsie Costume

£53.99£48.99-£67.99*

Sale - 17% Exclusive

The Matrix Women's Trinity Costume

£58.99£48.99-£58.99*

Sale - 13% Exclusive

Harry Potter Adult Deluxe Hufflepuff Robe

£38.99£33.99-£38.99*

Sale - 15% Made By Us

Kill Bill Beatrix Kiddo Motorcycle Suit Costume

£63.99£53.99-£63.99*

Sale - 27% Made By Us

Adult's Fox Costume With Mouth Mover Mask

£106.99£77.99

Sale - 40% Made By Us

Women's Wild Flower 70s Disco Dress Costume

£24.99£14.99-£19.99

Sale - 40% Exclusive

Women's Elf Jovie Costume

£48.99£29.99-£33.99

Sale - 33% Made By Us

Women's Plus Size Black Flapper Costume

£58.99£38.99-£58.99*

Sale - 11% Exclusive

Women's Plus Size Scooby Doo Daphne Costume

£43.99£38.99-£43.99*

Sale - 22% Exclusive

Women's Deluxe Fleur Delacour Costume

£87.99£67.99-£77.99

Sale - 17% Exclusive

Captain America Women's Costume

£58.99£48.99-£58.99*

Sale - 10% Exclusive

Plus Size Deluxe Harry Potter Luna Lovegood Costume

£97.99£87.99

Sale - 25% Exclusive

Harry Potter Adult Deluxe Slytherin Robe

£38.99£29.99-£38.99*

Sale - 13% Made By Us

Adult Bigfoot Costume

£77.99£67.99-£77.99*

Sale - 20% Made By Us

Adult Safari Explorer Costume

£48.99£38.99-£67.99*

Sale - 40% Exclusive

Deluxe Harry Potter Dumbledore Men's Costume

£97.99£58.99

Sale - 13% Exclusive

Women's Harry Potter Deluxe Hermione Gryffindor Costume

£38.99£33.99

Sale - 10% Made By Us

Plus Size Gray Suit Costume for Men

£48.99£43.99-£53.99*

Fear and Loathing in Las Vegas Raoul Duke Costume Update1

Sale - 25% Made By Us

Men's Fear and Loathing in Las Vegas Raoul Duke Costume

£38.99£29.99-£38.99*

Sale - 25% Made By Us

Women's Fringe Hippie Costume

£38.99£29.99-£38.99*

Sale - 9% Made By Us

All Powerful Pharaoh Men's Costume

£53.99£48.99-£53.99*

Harry Potter Plus Size Adult Gryffindor Robe

Sale - 29% Exclusive

Plus Size Adult Harry Potter Gryffindor Robe Costume

£33.99£24.99

Sale - 33% Made By Us

Adult Plague Doctor Costume

£58.99£38.99-£58.99*

Sale - 11% Exclusive

Women's Deluxe Harry Potter Luna Lovegood Costume

£87.99£77.99-£87.99*

Sale - 17% Made By Us

Mens Silver Sequin Disco Pants

£29.99£24.99-£29.99*

Sale - 15% Exclusive

Plus Size Deluxe Harley Quinn Costume

£63.99£53.99

Deluxe Harry Potter Mcgonagall Plus Size Costume

Sale - 9% Exclusive

Plus Size Deluxe Harry Potter McGonagall Costume

£106.99£97.99-£106.99*

Sale - 36% Made By Us

Plus Size Mrs Claus Deluxe Women's Costume

£106.99£67.99-£106.99*

Sale - 10% Exclusive

Deluxe Harry Potter Snape Men's Costume

£97.99£87.99-£97.99*

Sale - 15% Made By Us

Adult Mermaid Costume

£63.99£53.99-£63.99*

Sale - 20% Made By Us

If you want to get a unique and different look this Halloween, then our collection of Exclusive Halloween Costumes is for you! We carry more than a hundred unique, exclusive costumes that you will find only on Halloween Costumes.com. From our exclusive plus size Dorothy costume, to our sexy Cheshire Cat costumes, we have a unique costume that will help you stand out at your next event. Find a large selection of sizes, including infant and toddler, as well as plus sizes of many of our costumes. We offer original Halloween costumes you won't find anywhere else! These exclusive unique halloween costumes are sure to get you noticed this Halloween!