St. Louis · October 1 – November 1, 2026

Halloween events for kids in St. Louis

Halloween beyond your own block. This page collects every event and program in our St. Louis listings whose title names Halloween, trick-or-treating, pumpkins, costumes, ghosts or the like, dated between October 1 and November 1. 28 are still ahead. Each one opens its listing page, which links to the organizer’s own page and shows the date we last checked it. Dates are in Central Time.

This weekTue, Oct 13 – Thu, Oct 15

Thu, Oct 15 · 6:30 PMMad Science Presents: Halloween ScienceMcClay Branch, St. Charles City-County Library · Kids; Early Elementary (Grades K-2); Upper Elementary (Grades 3-5); Tweens (Grades 4-8); Teens (Grades 7-12); Families · Check official pricing
Thu, Oct 15Halloween Nights at Grant's FarmGrant's Farm · All ages; kids 3 and under free · $15 + tax per person; kids 3 and under free; parking purchased separately ($18 advance / $27 at farm).

This weekendFri, Oct 16 – Sun, Oct 18

Fri, Oct 16 · 5:30 PMManchester Halloween FestivalPaul A Schroeder Park · all ages; ticket required for ages 2 and older · Residents: $8; Non-Residents: $11; *All participants ages 2 and older must have a ticket
Fri, Oct 16Not-So-Haunted House at The Magic HouseThe Magic House, St. Louis Children's Museum · Children of all ages · Included with regular Museum admission ($15 ages 1 and up; under 1 free).
Sat, Oct 17 · 9:00 AMSpooktacular at Meramec State ParkMeramec State Park (campground) · Check age guidance · All activities are free and open to the public.
Sat, Oct 17 · 4:00 PMTeen Halloween PartyHayner Library at Alton Square Mall (Performance Room) · Teens · Check official pricing
Sat, Oct 17Halloween Farm Fun Days at Stuckmeyer's FarmStuckmeyer's Farm · Check age guidance · Free Admission (activities and food may cost extra)
Sat, Oct 17Trick-or-Treat Nights at the St. Louis AquariumSt. Louis Aquarium at Union Station · Kids and families · $5 more than a standard Aquarium admission (includes official trick-or-treat bag).

Next weekMon, Oct 19 – Sun, Oct 25

Wed, Oct 21 · 2:00 PMMini Spooky BookcasesUnion Branch, Scenic Regional Library · Young Adult (ages 12-18); Adults (ages 18+); registrants age 12 to 21+ · Check official pricing
Wed, Oct 21 · 6:30 PMSpecial Pajama Storytime: Spooky S'moresYanda Log Cabin · Kids; Family · Check official pricing
Fri, Oct 23 · 2:00 PM"It's The Great Pumpkin" PaloozaWindsor Branch, Jefferson County Library · Ages: 1-18 · Check official pricing
Fri, Oct 23 · 5:30 PMHalloween Monster Hunt - Nerf Wars!Hazelwood Community Center · For ages 5-8 · Resident: $5, Non-Resident: $8
Sat, Oct 24 · 10:00 AMHalloween Party in the Park: Candy Walk & Costume ContestCity Park · Costume contest categories: Ages 0-3, Ages 4-6, Ages 7-9, Ages 10-16, Groups, Pets · No fee listed
Sat, Oct 24 · 10:30 AMMonster Mash Trunk-Or-TreatStation 1 Firehouse · Families; pumpkin for ages 12 and under · Ticket required for all guests (price not shown on page)
Sat, Oct 24 · 12:30 PMR.P. Lumber Center Spooky SkateR.P. Lumber Center · Check age guidance · Members: $10; District 7: $12; Non-District 7: $13; Skate Rental: $3
Sat, Oct 24 · 3:00 PMLittles @ the Library: Halloween PartyArnold Branch, Jefferson County Library · For ages 0-5 years! · Check official pricing

Later in OctoberMon, Oct 26 – Thu, Oct 29

Wed, Oct 28 · 9:30 AMBaby Boo BashKirkwood Public Library · Age 0 months to 3 years. · Free
Wed, Oct 28 · 4:00 PM3rd Annual Cedar Hill Halloween FestCedar Hill Satellite, Jefferson County Library · For All Ages. · Check official pricing
Thu, Oct 29 · 3:30 PMMonster Mash PartyBaden Library, St. Louis Public Library · Ideal for ages 5-10. · Check official pricing

Halloween weekendFri, Oct 30 – Sun, Nov 1

Fri, Oct 30 · 5:30 PMDowntown Belleville Halloween Trick-or-TreatDowntown Belleville (East Main Street) · Check age guidance · Check official pricing
Sat, Oct 31 · 9:30 AMHalloween Indoor Mini GolfArnold Branch, Jefferson County Library · Families and individuals of all ages · Described as "low-cost"; amount not printed on the event page
Sat, Oct 31 · 10:00 AMHalloween Storytime and Trick or Treat the Library!Richmond Heights Memorial Library · Check age guidance · Check official pricing
Sat, Oct 31 · 10:00 AMTrick-or-Treat Bag Decorating at CAMContemporary Art Museum St. Louis · Families with children of all ages · Free (CAM admission is free)
Sat, Oct 31 · 1:00 PMHaunted LibraryBuder Library, St. Louis Public Library · Ideal for ages 3-8. · Check official pricing
Sat, Oct 31 · 2:30 PMFamily Fun: Halloween Craft BuffetMiddendorf-Kredell Branch, St. Charles City-County Library · Kids; Pre-K (Ages 3-5); Early Elementary (Grades K-2); Upper Elementary (Grades 3-5); Tweens (Grades 4-8); Teens (Grades 7-12); Families · Check official pricing
Sat, Oct 31 · 6:30 PMEdwardsville Halloween ParadeDowntown Edwardsville parade route (step-off at Lincoln Middle School parking lot) · Check age guidance · Check official pricing

All of OctoberPumpkin patches, exhibits and programs that run for weeks. Check the organizer’s page for open days and times.

Through Oct 30 · 5:00 PMBoo at the ZooSaint Louis Zoo · Kid-friendly, all ages; children 0-23 months free · $13 Zoo Members; $16 General Admission; free for children 0-23 months. Zooline Railroad extra ($3.95 members, $4.95 non-members); Wild Explorer VR $5.
Through Oct 31Pumpkinland 2026 at Thies Farm (North Hanley)Thies Farm & Greenhouses – North Hanley · Children (Age 2+) and Adults pay admission · General Admission $13 Children (Age 2+) and Adults; each admission receives a $2 voucher