find Halloween events for every vibe.

Carnival festival events in O'fallon, MO

Just added!
Christmas Market Craft & Vendor Show
Sat, Nov 8, 9:00 AM
Vienna · Visitation Knights of Columbus
Just added!
Christmas Market Craft & Vendor Show
Sat, Nov 8, 9:00 AM
Vienna · Visitation Knights of Columbus
Trunk or Treat with CrossWay Church
Sat, Oct 25, 4:00 PM
Missouri · 7201 S Olivet Rd
Trunk or Treat with CrossWay Church
Sat, Oct 25, 4:00 PM
Missouri · 7201 S Olivet Rd
Hormonal Havoc: Taming the Rollercoaster
Sat, Nov 15, 10:00 AM
Springfield · Westside Pain Clinic
Hormonal Havoc: Taming the Rollercoaster
Sat, Nov 15, 10:00 AM
Springfield · Westside Pain Clinic
Just added!
Books & Wine Fest 2026
Sat, Sep 26, 10:00 AM
North Jefferson · Canterbury Hill Winery and Restaurant
Just added!
Books & Wine Fest 2026
Sat, Sep 26, 10:00 AM
North Jefferson · Canterbury Hill Winery and Restaurant
Everyone's Healing 2026 Vision Board Workshop & Fundraiser
Sat, Jan 3, 12:00 PM
Springfield · Flow Midwest Yoga and Meditation
Everyone's Healing 2026 Vision Board Workshop & Fundraiser
Sat, Jan 3, 12:00 PM
Springfield · Flow Midwest Yoga and Meditation
Trauma-Informed Relationship-Focused Conference
Wed, Mar 4, 8:00 AM
Woodlawn Court · The Dr. Debbie Reed Center for Excellence
Trauma-Informed Relationship-Focused Conference
Wed, Mar 4, 8:00 AM
Woodlawn Court · The Dr. Debbie Reed Center for Excellence
Pop the Balloon Speed Dating.[Vendors Welcome]
Wednesday at 7:00 PM + 4 more
Arlington Heights · Springfield
Pop the Balloon Speed Dating.[Vendors Welcome]
Wednesday at 7:00 PM + 4 more
Arlington Heights · Springfield
The All Hallows Halloween Show
Saturday at 7:00 AM
Perryville · 201 N Jackson St
The All Hallows Halloween Show
Saturday at 7:00 AM
Perryville · 201 N Jackson St
Pop the Balloon Speed Dating.[Vendors Welcome]
Wednesday at 7:00 PM + 4 more
Moores Switch · Columbia
Pop the Balloon Speed Dating.[Vendors Welcome]
Wednesday at 7:00 PM + 4 more
Moores Switch · Columbia
Sales end soon
Craft fairs: Secrets to Turn Craft Fair Visitors Into Buyers - Columbia
Wednesday at 7:00 PM + 103 more
Moores Switch · Virtual (Online)
Sales end soon
Craft fairs: Secrets to Turn Craft Fair Visitors Into Buyers - Columbia
Wednesday at 7:00 PM + 103 more
Moores Switch · Virtual (Online)
Sales end soon
Extended Play II
Friday at 7:00 PM + 2 more
Moores Switch · Columbia, MO
Sales end soon
Extended Play II
Friday at 7:00 PM + 2 more
Moores Switch · Columbia, MO
Inklight Festival
Thu, Jun 4, 2:00 PM + 2 more
Grandview Acres · One: Special Event Venue
Inklight Festival
Thu, Jun 4, 2:00 PM + 2 more
Grandview Acres · One: Special Event Venue
Nearly full
The Loop's HalloweenTown
Sun, Oct 19, 10:00 AM
Moores Switch · Community Pop-Up Park
Nearly full
The Loop's HalloweenTown
Sun, Oct 19, 10:00 AM
Moores Switch · Community Pop-Up Park
Creepy Crawly Critters
Mon, Oct 20, 10:30 AM
Ridgely · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA
Creepy Crawly Critters
Mon, Oct 20, 10:30 AM
Ridgely · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA
Ghostly Giggles and Mummy Magic
Mon, Oct 27, 10:30 AM
Ridgely · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA
Ghostly Giggles and Mummy Magic
Mon, Oct 27, 10:30 AM
Ridgely · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA
Buzz Bomb Board Games
Thu, Nov 6, 7:00 PM + 1 more
Arlington Heights · Buzz Bomb Brewing Co
Buzz Bomb Board Games
Thu, Nov 6, 7:00 PM + 1 more
Arlington Heights · Buzz Bomb Brewing Co
Sales end soon
How to Meet Your Festival Crush at a Rave Party Event. - Columbia
Wednesday at 7:00 PM + 103 more
Moores Switch · Virtual (Online)
Sales end soon
How to Meet Your Festival Crush at a Rave Party Event. - Columbia
Wednesday at 7:00 PM + 103 more
Moores Switch · Virtual (Online)
Witches In The Woods 2025
Sun, Oct 26, 2:00 PM
Missouri · Camp Takimina, Columbia, MO, USA
Witches In The Woods 2025
Sun, Oct 26, 2:00 PM
Missouri · Camp Takimina, Columbia, MO, USA

Trends in O'fallon

Explore more trends

Christmas Market Craft & Vendor Show

Christmas Market Craft & Vendor Show

Trunk or Treat with CrossWay Church

Trunk or Treat with CrossWay Church

Hormonal Havoc: Taming the Rollercoaster

Hormonal Havoc: Taming the Rollercoaster

Books & Wine Fest 2026

Books & Wine Fest 2026

Everyone's Healing 2026 Vision Board Workshop & Fundraiser

Everyone's Healing 2026 Vision Board Workshop & Fundraiser

Trauma-Informed Relationship-Focused Conference

Trauma-Informed Relationship-Focused Conference

Pop the Balloon Speed Dating.[Vendors Welcome]

Pop the Balloon Speed Dating.[Vendors Welcome]

The All Hallows Halloween Show

The All Hallows Halloween Show

Pop the Balloon Speed Dating.[Vendors Welcome]

Pop the Balloon Speed Dating.[Vendors Welcome]

Craft fairs: Secrets to Turn Craft Fair Visitors Into Buyers - Columbia

Craft fairs: Secrets to Turn Craft Fair Visitors Into Buyers - Columbia

Extended Play II

Extended Play II

Inklight Festival

Inklight Festival

The Loop's HalloweenTown

The Loop's HalloweenTown

Creepy Crawly Critters

Creepy Crawly Critters

Ghostly Giggles and Mummy Magic

Ghostly Giggles and Mummy Magic

Buzz Bomb Board Games

Buzz Bomb Board Games

How to Meet Your Festival Crush at a Rave Party Event. - Columbia

How to Meet Your Festival Crush at a Rave Party Event. - Columbia

Witches In The Woods 2025

Witches In The Woods 2025

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Car shows

3. Trunk or treat

4. Crafts fair

5. October

6. Scramble golf tournaments

7. Halloween party

8. Job fairs

9. Kids

10. Puppy yoga

11. Puff and paint

12. Music bingo