Location:

St. Louis Aquarium at Union Station, 201 S 18th St, St. Louis, MO 63103, United States

See map: Google Maps

Pirates and Pumpkins at the St. Louis Aquarium

Dates:

10/12/2026

10/13/2026

10/14/2026

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Time:

see website

Location:

Pin Oak Farms, State Route E, New Haven, MO, USA

See map: Google Maps

Pumpkin Patch & Fall Festival

Dates:

10/12/2026

10/16/2026

10/17/2026

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Time:

10 am- 5:30 pm

Location:

951 S Green Mt Rd, Belleville, IL 62220, USA

See map: Google Maps

Ecktoberfest

Dates:

10/12/2026

10/17/2026

10/18/2026

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Time:

9 am- 5 pm

Location:

Big Joel's Safari Petting Zoo & Educational Park, State Highway M, Wright City, MO, USA

See map: Google Maps

Big Joel's Spooky Safari

Dates:

10/12/2026

10/13/2026

10/14/2026

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Time:

Weekdays 9 am - 4 pm Saturdays 9 am - 5 pm & Sundays 10 am - 5 pm

Location:

701 North 15th Street, St. Louis, MO, USA

See map: Google Maps

Fright at the Museum 2026

Dates:

10/12/2026

10/14/2026

10/15/2026

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Time:

varies

Location:

Sophia M. Sachs Butterfly House, Located in, Faust Park Drive, Chesterfield, MO, USA

See map: Google Maps

BOOterfly House

Dates:

10/12/2026

10/13/2026

10/14/2026

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Time:

10 am- 4 pm

Location:

Missouri History Museum, Lindell Boulevard, St. Louis, MO, USA

See map: Google Maps

Storytelling: October

Dates:

10/13/2026

10/16/2026

10/20/2026

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Time:

10:30 am

Location:

The Green Center, 8025 Blackberry Avenue, St. Louis, MO 63130, United States

See map: Google Maps

Nature Play After-School Programs at The Green Center

Dates:

10/13/2026

10/27/2026

11/03/2026

Time:

4:00pm

Location:

Saint Louis Zoo, Government Drive, St. Louis, MO 63110, United States

See map: Google Maps

Boo at the Zoo

Dates:

10/14/2026

10/15/2026

10/16/2026

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Time:

5-8:30 p.m. (Last entry is 8 p.m.)

Location:

951 S Green Mt Rd, Belleville, IL 62220, USA

See map: Google Maps

Jack’s Lighted Trail

Dates:

10/15/2026

10/16/2026

10/17/2026

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Time:

6:30-9 pm

Location:

Grant's Farm Parking, Grant Road, St. Louis, Gravois Township, MO 63123, United States

See map: Google Maps

Grant's Farm Halloween Nights

Dates:

10/15/2026

10/16/2026

10/17/2026

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Time:

Thursdays and Sundays 5pm-9pm | Oct. 1 - 29 (entry closes at 8pm) Fridays and Saturdays 5pm-10pm | Oct. 2 - 30 (entry closes at 9pm)

Organization:

Freddie Ford Family Foundation

Location:

P.O. Box 12454

St. Louis, MO, 63132

United States

See map: Google Maps

Phone:

3142825003

Sensory-friendly Trunk-or-Treat

Dates:

10/16/2026

Time:

7:00 - 9:00 PM

Location:

2300 McKelvey Rd, Maryland Heights, Maryland Heights Township, MO 63043, United States

See map: Google Maps

Pumpkin Plunge

Dates:

10/16/2026

Time:

Ages 6 & Under: 5:00-6:00 p.m. Ages 7-12: 6:30-7:30 p.m.

Location:

Schroeder Park, 359 Old Meramec Station Rd, Manchester, MO, USA

See map: Google Maps

Manchester Parks Halloween Festival

Dates:

10/16/2026

Time:

5:30-7:30 pm

Location:

Crestwood Community Center, Whitecliff Park Lane, St. Louis, MO, USA

See map: Google Maps

I Want My Mummy Trivia Night (for adults)

Dates:

10/16/2026

Time:

6:00 PM - 10:00 PM

Location:

Shaw Park, South Brentwood Boulevard, Clayton, MO, USA

See map: Google Maps

Party in the Patch

Dates:

10/16/2026

Time:

6-8 pm

Location:

Heartland Park, William Dierberg Drive, Wentzville, MO, USA

See map: Google Maps

Frights and Bites – Outdoor Movie and Food Trucks

Dates:

10/16/2026

Time:

5:30 pm

Location:

Renaud Center, Sports Circle, O'Fallon, MO, USA

See map: Google Maps

Pumpkin Plunge

Dates:

10/16/2026

Time:

morning session at 11 am for our littlest swimmers, plus two evening sessions at 5:30 pm and 7 pm

Location:

Ferguson Firehouse 1, South Florissant Road, Ferguson, MO, USA

See map: Google Maps

Pumpkin Carving at the Firehouse

Dates:

10/16/2026

Time:

6-9 pm

Location:

Trenton's Sportman Club, Sportsmen Rd, Trenton, IL, USA

See map: Google Maps

Annual Haunted Trail at Trenton Sportsman's Club

Dates:

10/16/2026

10/17/2026

10/23/2026

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Time:

7-11 pm

Location:

3015 Barrett Station Road, St. Louis, MO 63122, United States

See map: Google Maps

Trick-or-Track at TNMOT

Dates:

10/17/2026

Time:

11 am - 3 pm

Location:

Stuckmeyer's Farm Market, 249 Schneider Drive, Fenton, MO 63026, United States

See map: Google Maps

Halloween Farm Fun Days at Stuckmeyers Farm Market and Greenhouse

Dates:

10/17/2026

10/18/2026

10/24/2026

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Time:

9 am - 5 pm

Location:

Child of God Lutheran Church and School

See map: Google Maps

Trunk or Treat

Dates:

10/17/2026

Time:

5pm-6pm

Location:

Vago Park, Fee Fee Road, Maryland Heights, MO, USA

See map: Google Maps

Fall Family Fair

Dates:

10/17/2026

Time:

11 am- 3 pm

Location:

St. Louis County Library-Rock Road Branch, Saint Charles Rock Road, Saint Ann, MO, USA

See map: Google Maps

Sweet & Spooky Trivia

Dates:

10/17/2026

Time:

2:00 p.m.

Location:

Parkway United Church-Christ, North Ballas Road, St. Louis, MO, USA

See map: Google Maps

Trunk or Treat with free food, activities, facepainting, games & candy

Dates:

10/17/2026

Time:

5 pm - 6:15 pm

Location:

Barron Gymnastics, 5411 Jedmed Court, St. Louis, MO 63129, United States

See map: Google Maps

School Year Camps at Barron Gymnastics

Dates:

10/17/2026

11/21/2026

12/23/2026

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Time:

see website

Location:

Eckert's Grafton Farm, 20995 Eckert Orchard Rd, Grafton, IL 62037, United States

See map: Google Maps

Ecktoberfest - Eckert's Grafton

Dates:

10/17/2026

10/18/2026

10/24/2026

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Time:

9 am- 5 pm

Location:

Grant's Farm Parking, Grant Road, St. Louis, Gravois Township, MO 63123, United States

See map: Google Maps

Fall Fest at Grant's Farm

Dates:

10/17/2026

10/18/2026

10/24/2026

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Time:

9am-5pm Saturdays and Sundays (Oct. 3 - 31) 9am-4pm Saturdays and Sundays (Nov 1-8)

Location:

Trinity Lutheran Parents' Day Out (Kirkwood), 820 Lockett Rd, Kirkwood, MO 63122, United States

See map: Google Maps

Trinity Lutheran Church Parents' Day Out Trunk or Treat

Dates:

10/17/2026

Time:

2:30-4:00

Location:

D-BAT Fenton, 2130 Bowles Ave Ste B, Fenton, MO 63026, United States

See map: Google Maps

Halloween Trunk or Treat Party

Dates:

10/17/2026

Time:

2-4:30 pm

Location:

900 TR Hughes Blvd, O'Fallon, MO, USA

See map: Google Maps

Police Department Trunk or Treat

Dates:

10/17/2026

Time:

morning session at 11 am for our littlest swimmers, plus two evening sessions at 5:30 pm and 7 pm

Location:

Crestwood Community Center, Whitecliff Park Lane, St. Louis, MO, USA

See map: Google Maps

Pint Size Party: Halloween

Dates:

10/20/2026

Time:

6-7 pm

Location:

Yanda Log Cabin, South Main Street, Glen Carbon, IL, USA

See map: Google Maps

Special Spooky Pajama Storytime

Dates:

10/21/2026

Time:

6:30 PM

Location:

Glen Carbon Heritage Museum, 124 School Street, Glen Carbon, IL 62034, United States

See map: Google Maps

Spooky Pajama Storytime

Dates:

10/21/2026

Time:

6:30 pm

Location:

Humane Society of Missouri, Administration Drive, St. Louis, MO, USA

See map: Google Maps

Join us for a spooktacular night of furry fun at the Humane Society of Missouri's Best Buddy Pet Center in Maryland Heights. Dress up in your favorite costume* and celebrate the spooky season with our adoptable dogs and cats!

Dates:

10/22/2026

Time:

5:30pm-7:30pm

Learn More

Location:

Enchanted Playroom, 1155 Bryan Rd, O'Fallon, MO 63366, United States

See map: Google Maps

Pumpkin Painting

Pumpkins + paint + play = a pretty perfect fall day! Thursday, October 22 Painting anytime 10 AM-5 PM No additional charge, included with admission to the playroom.

Dates:

10/22/2026

Time:

9:00 AM - 5:00 PM

Learn More

Location:

Woodland Park, Pine Lake Road, Collinsville, IL, USA

See map: Google Maps

Community Trunk or Treat

Dates:

10/22/2026

Time:

5-7 pm

Location:

Girl Scouts of Eastern Missouri Shop & Build-A-Bear Workshop, 2300 Ball Drive, St. Louis, MO 63146, United States

See map: Google Maps

Girl Scouts at the Boys and Girls Club Trunk or Treat

Catch us at this year's Boys and Girls Club Trunk or Treat! We'll have candy, games and tons of information about Girl Scouts and the rewarding experiences we provide for girls K-12!

Dates:

10/23/2026

Time:

6pm-8pm

Learn More

Location:

Brentwood Ice Rink, 2505 S Brentwood Blvd, Brentwood, MO 63144, United States

See map: Google Maps

Halloween Skate

Dates:

10/23/2026

Time:

7-10 pm

Location:

Glen Carbon Heritage Museum, 124 School Street, Glen Carbon, IL 62034, United States

See map: Google Maps

Ghosts of Glen: Haunted History Walking Tour

Dates:

10/23/2026

10/24/2026

Time:

7-10:30 PM

Location:

Faust Park, 15025 Faust Park Drive, Chesterfield, MO 63017, United States

See map: Google Maps

Jack O’Lantern Trail

Dates:

10/23/2026

10/24/2026

Time:

varies

Location:

The Pointe - Ballwin Parks & Recreation, Ballwin Commons Circle, Ballwin, MO, USA

See map: Google Maps

Halloween Hullabaloo

Dates:

10/23/2026

Time:

5:30 - 8 pm

Location:

Glen Carbon Heritage Museum, 124 School Street, Glen Carbon, IL 62034, United States

See map: Google Maps

Ghosts of Glen

Dates:

10/23/2026

10/24/2026

Time:

7:00 PM-10:00 PM

Location:

The Pointe - Ballwin Parks & Recreation, Ballwin Commons Circle, Ballwin, MO, USA

See map: Google Maps

2026 Glow Pumpkin Plunge

Dates:

10/23/2026

Time:

7-8:30 pm

Location:

James J. Eagan Center, James J. Eagan Drive, Florissant, MO, USA

See map: Google Maps

9th Annual Boo Bash

Dates:

10/23/2026

Time:

6-8 pm

Location:

Rec-Plex, Mexico Road, St. Peters, MO, USA

See map: Google Maps

Halloween Spooktacular DJ Skate

Dates:

10/23/2026

Time:

7-9 pm

Location:

Fox Elementary School, Jeffco Boulevard, Arnold, MO, USA

See map: Google Maps

Arnold Chamber of Commerce Annual Trunk or Treat & Food Drive

Dates:

10/23/2026

Time:

6-8 pm

Location:

Ferguson Community Center, Smith Ave, Ferguson, MO, USA

See map: Google Maps

Ferguson Fall Spooktacular

Dates:

10/24/2026

Time:

3-7 pm

Location:

St. Peters Rec-Plex South, Mexico Road, St. Peters, MO, USA

See map: Google Maps

Halloween Carnival

Dates:

10/24/2026

Time:

11 am to 1 pm

Location:

Columbia, Illinois, USA

See map: Google Maps

Halloween Hi-Jinks

Dates:

10/24/2026

Time:

10 am- 12 pm

Location:

Theatre Guild of Webster Groves

See map: Google Maps

Ghosts of the Guild Halloween Party

Dates:

10/24/2026

Time:

4:00PM

Location:

Heartland Park, William Dierberg Drive, Wentzville, MO, USA

See map: Google Maps

Spooktacular 5K and Kids’ Fun Run

Dates:

10/24/2026

Time:

9-11:30 am Swim 12-5 pm Fireworks 9:30 pm

Location:

Wentzville Fire Protection Headquarters, Luetkenhaus Boulevard, Wentzville, MO, USA

See map: Google Maps

Monster Mash Trunk-Or-Treat

Dates:

10/24/2026

Time:

10:30 am- 1:30 pm Swim 12-5 pm Fireworks 9:30 pm

Location:

First Baptist Church of Arnold, 2012 Missouri State Road, Arnold, MO 63010, United States

See map: Google Maps

Trunk or Treat 2026

Dates:

10/25/2026

Time:

3 - 5 pm

Location:

Missouri History Museum, Lindell Boulevard, St. Louis, MO, USA

See map: Google Maps

History-Lovin’ Halloween Party

Dates:

10/29/2026

Time:

4-7 pm

Location:

Enchanted Playroom, 1155 Bryan Rd, O'Fallon, MO 63366, United States

See map: Google Maps

Halloween Boo Bash

We’re filling Enchanted with Halloween fun from open to close! No additional charge, included with admission to the playroom.

Dates:

10/30/2026

Time:

9:00 AM - 4:00 PM

Learn More

Location:

Yanda Log Cabin

See map: Google Maps

Trick or Treat at the Yanda Cabin

Dates:

10/30/2026

Time:

4:00 PM-8:00 PM

Location:

Campbell House Museum, 1508 Locust Street, St. Louis, MO 63103, United States

See map: Google Maps

Twilight Tours with the Mourning Society and Spirits in the Garden

Dates:

10/30/2026

Time:

5:30 pm - 8:30 pm

Location:

Crestwood Community Center, Whitecliff Park Lane, St. Louis, MO, USA

See map: Google Maps

Halloween Nerf Wars

Dates:

10/30/2026

Time:

6:00 PM - 7:30 PM

Location:

Skate City Belleville, 1400 West Blvd, Belleville, IL 62221, United States

See map: Google Maps

Halloween Glow Roll

Dates:

10/30/2026

10/31/2026

Time:

4-6 pm, 6-8 pm and 7-9 pm

Location:

Wild Sprouts, 3010 North Highway 94, St Charles, MO 63301, United States

See map: Google Maps

Halloween Costume Party

Dates:

10/30/2026

Time:

2 Sessions: 9 - 11 AM & 12-2 PM

Location:

216 East A Street, Belleville, IL, USA

See map: Google Maps

Downtown Belleville Trick or Treat

Dates:

10/30/2026

Time:

5:30-7:30 pm

Location:

Edwardsville Children's Museum, 722 Holyoake Road, Edwardsville, IL 62025, United States

See map: Google Maps

Halloween Party

Dates:

10/30/2026

10/31/2026

Time:

10 am- 12 pm

Location:

Endangered Wolf Center, 6750 Tyson Valley Road, Eureka, MO 63025, United States

See map: Google Maps

Howl-O-Ween at Endangered Wolf Center

Dates:

10/30/2026

10/31/2026

Time:

6 pm

Location:

World Bird Sanctuary, Bald Eagle Ridge Road, Valley Park, MO, USA

See map: Google Maps

Owl-o-Ween

Dates:

10/31/2026

Time:

10 AM - 4 PM

Location:

St. Louis County Library - Rock Road Branch

See map: Google Maps

Halloween Cart Creep: Monsters & Mayhem

Dates:

10/31/2026

Time:

2:00 - 4:00 p.m.

Location:

Skate City Belleville, 1400 West Blvd, Belleville, IL 62221, United States

See map: Google Maps

Halloween Costume Skate

Dates:

10/31/2026

Time:

10 am- 12 pm

Location:

Creve Coeur Ice Arena, Olde Cabin Road, Creve Coeur, MO, USA

See map: Google Maps

Spooky Skate

Dates:

10/31/2026

Time:

12-1:30 pm

Location:

Edwardsville, IL, USA

See map: Google Maps

2026 Halloween Parade

Dates:

10/31/2026

Time:

6 pm

Location:

701 North 15th Street, St. Louis, MO, USA

See map: Google Maps

Pumpkin Throw Down

Dates:

11/01/2026

Time:

12pm–3pm