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Halloween (16)

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Boys' Monster Halloween Costumes

(16 items)

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Kids Godzilla x Kong: The New Empire™ Godzilla Costume

Each #14523059

Starting at

$48^.99

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Kids Classic Poppy's Playtime Huggy Wuggy Costume

1 Piece(s) #14469642

Starting at

$31^.99

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Toddler Monster Boo Costume

1 Piece(s) #14290823

Starting at

$39^.99

(3)

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Kids Classic Monsters University™ Sully Costume

1 Set(s) #14289376

Starting at

$39^.99

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Kids Godzilla x Kong: The New Empire™ Suko Costume

Each #14523060

Starting at

$48^.99

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Kids Deluxe Poppy's Playtime Huggy Wuggy Costume

1 Piece(s) #14469641

Starting at

$84^.99

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Boy's Boil Monster Morphsuit Costume

1 Piece(s) #14107879

Starting at

$19^.97

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Toddler Deluxe Frankenstein Costume

1 Piece(s) #14242488

Starting at

$34^.99

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Toddler Posh Stranger Things™ Demogorgon Costume

1 Piece(s) #14469670

Starting at

$44^.99

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Kids Godzilla x Kong: The New Empire™ King Kong Costume

Each #14523061

Starting at

$49^.99

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Boy's Monster Vs Aliens Dr. Cockroach Costume - Small

1 Piece(s) #RU883578SM

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Price

$7^.47

58% OFF

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Kids Inflatable Godzilla X Kong: The New Empire™ Kong Costume - One Size

Each #ISD105652

$82^.99

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Kids Ghostbusters: Frozen Empire™ Slimer Inflatable Costume

1 Piece(s) #DG164279

$84^.99

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Kids Inflatable Godzilla x Kong: The New Empire™ Godzilla Costume - One Size

Each #ISD105642

$99^.99

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Squishmallows™ Marvin Monster Treat Pail

1 Piece(s) #JWC1313

$21^.99

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Toddler Posh Stranger Things™ Demogorgon Costume - Extra Small 12-18 Months

1 Piece(s) #DG163709W

$44^.99

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Popular Licensed Monster Costumes & Classic Characters

Discover the ultimate selection of boys' monster Halloween costumes featuring trending characters and timeless favorites. Our collection includes officially licensed Stranger Things Demogorgon costumes and Monster University Mike & Sulley outfits that let kids embody their favorite screen characters. Classic monster lovers will appreciate authentic Frankenstein costumes with realistic details, while Squishmallows Marvin Monster accessories add playful flair to any ensemble. Whether you need scary monster costumes for trick-or-treating or humorous inflatable options for school parties, we offer sizes from toddler to big kid. These toddler boy monster costumes are designed for comfort and mobility, ensuring even the youngest monsters can enjoy the Halloween festivities. With durable materials and attention to detail, each outfit provides both safety and spectacular visuals. Our boys monster costume collection includes both budget-friendly choices under $50 and premium deluxe sets for maximum impact. From the latest Godzilla x Kong: The New Empire costumes to classic Universal monsters, we have options for every preference and price point. Each monster costume for boys is carefully selected to ensure high quality and authentic character representation. For those seeking a complete Halloween experience, pair your monster outfit with matching accessories from our extensive collection. We offer everything from makeup kits to treat pails that complement your chosen theme perfectly. Create an unforgettable Halloween look with our coordinated monster costume boy ensembles that are sure to win best costume contests. Shop now and take advantage of our fast shipping, with most orders processed within one business day. Our 110% lowest price guarantee ensures you get the best value on all Halloween monster costumes. Experience why families have trusted us for over 90 years to deliver fun, quality costumes at unbeatable prices.