As autumn leaves fall and jack-o'-lanterns glow, it’s time to choose adorable Halloween outfits for your baby. From a cozy pumpkin Halloween costume to creative themes, these 20 best baby Halloween costume ideas prioritize comfort, safety, and cuteness for your tiny trick-or-treater. Let’s dive in!
1. Batwing Jumpsuit from PatPat
Start with PatPat’s Baby Boy/Girl 2pcs 95% Cotton Batwing Sleeve Jumpsuit with Hat Set. This allergy-safe, breathable set features batwing sleeves and a matching hat, ensuring butter-soft comfort and durable prints. Priced at $16.79 (30% off), it’s a top pick for Halloween outfits.

2. Garfield Bat Jumpsuit from PatPat
For cartoon flair, PatPat’s Garfield Baby Boy/Girl 1pc Bat Halloween Long-Sleeve Jumpsuit combines Garfield’s charm with bat wings. Fade-resistant and cozy, it’s a great pumpkin Halloween costume alternative for $14.69 (30% off).

3. Classic pumpkin Halloween Costume
A plush orange onesie with a stem hat—timeless and perfect for pumpkin patch photos.
4. Tiny Ghost Boo Suit
White pajamas with glow-in-the-dark eyes; easily made from old sheets for ghostly charm.
5. Mini Superhero Cape
A cape over a onesie—think tiny Superman or Wonder Woman with a felt mask.
6. Fluffy Sheep Jumpsuit
White fleece with black ears and tail; ideal for a farm-to-fright theme.
7. Little Lion Onesie
Fuzzy yellow suit with a mane hood; roar-ready for zoo-inspired Halloween outfits.
8. Sweet Pea Pod
Green bunting with pod "shell" and leaf accents; nature-themed and snuggly.
9. Mini Pirate Adventure
Striped shirt, eyepatch, and tricorn hat—arrr, with a soft sword prop.
10. Darling Dinosaur
Green scaly romper with tail and spikes; T-Rex or stegosaurus vibes.
11. Angelic Halo Baby
White gown with wings and glitter halo; heavenly for holiday snaps.
12. Bumblebee Buzz
Black-and-yellow stripes with antennae headband; pollinate the party.
13. Jolly Elf Helper
Red-and-green velour suit with bell hat; Santa’s tiniest assistant.
14. Cute Carrot Veggie
Orange hoodie with green topper; a fresh veggie-themed Halloween outfit.
15. Playful Panda Bear
Black-and-white fur onesie with ear hoods; bamboo-munching cuteness.
16. Royal Prince or Princess
Velvet cape, crown, and scepter; fairy tale magic for easy dress-up.
17. Nautical Sailor
White sailor suit with anchor bib and hat; sea-ready for autumn.
18. Woodland Fox
Rust-colored onesie with bushy tail and ears; sly and forest-fresh.
19. Starry Unicorn Dream
Pastel horn headband over a sparkly tutu; mythical magic with ease.
20. Cozy Owl Nest
Brown onesie with feather wings and big-eyed hood; wise and adorable.
Pick Your Spooky Style
These best baby Halloween costume ideas blend soft fabrics and mobility, keeping your little one comfy during festive fun. Opt for breathable layers and snap-on designs for quick changes during chilly October nights. From PatPat’s bat-themed sets to the classic pumpkin Halloween costume, there’s a style for every spooky vibe. Get ready to make this Halloween unforgettable for your baby!