find Halloween events for every vibe.

Labor day events in O'fallon, MO

Silent STL - December Holiday Romance Bookclub
Sun, Dec 21, 2:30 PM
Clayton · St. Louis County Library–Mid-County Branch
Silent STL - December Holiday Romance Bookclub
Sun, Dec 21, 2:30 PM
Clayton · St. Louis County Library–Mid-County Branch
Comic Relief's Halloween Sale
Fri, Oct 24, 11:00 AM
St. Charles · Comic Book Relief
Comic Relief's Halloween Sale
Fri, Oct 24, 11:00 AM
St. Charles · Comic Book Relief
Soulard in the Alleys: Urban Living in the 19th Century
Fri, Oct 24, 5:00 PM
Lasalle Park · Soulard Farmers Market
Soulard in the Alleys: Urban Living in the 19th Century
Fri, Oct 24, 5:00 PM
Lasalle Park · Soulard Farmers Market
Just added!
GREET DEATH AT PLATYPUS
Sun, Nov 2, 8:00 PM
Kings Oak · Platypus
Just added!
GREET DEATH AT PLATYPUS
Sun, Nov 2, 8:00 PM
Kings Oak · Platypus
One Four Fives: An Improvised Musical
Thu, Nov 13, 8:00 PM
Forest Park Southeast · The Improv Shop
One Four Fives: An Improvised Musical
Thu, Nov 13, 8:00 PM
Forest Park Southeast · The Improv Shop
Birthday Party
Wed, Nov 12, 10:00 AM
Sappington · 9906 Sappington Rd
Birthday Party
Wed, Nov 12, 10:00 AM
Sappington · 9906 Sappington Rd
4-Day Bootcamp for PMI PMP® Certification Training | St. Louis, MO
Sat, Oct 18, 9:00 AM + 30 more
Downtown · 100 S 4th St suite 550
4-Day Bootcamp for PMI PMP® Certification Training | St. Louis, MO
Sat, Oct 18, 9:00 AM + 30 more
Downtown · 100 S 4th St suite 550
Tina Friml & More
Fri, Nov 14, 8:00 PM
Forest Park Southeast · Atomic By Jamo
Tina Friml & More
Fri, Nov 14, 8:00 PM
Forest Park Southeast · Atomic By Jamo
St Louis' Best Halloween Weekend Bar Crawl
South Hampton · Best Bars in St Louis
St Louis' Best Halloween Weekend Bar Crawl
South Hampton · Best Bars in St Louis
TAG IT! w/ The Sklar Brothers
Fri, Nov 14, 9:00 PM
Forest Park Southeast · Tropical Liqueurs
TAG IT! w/ The Sklar Brothers
Fri, Nov 14, 9:00 PM
Forest Park Southeast · Tropical Liqueurs
Sales end soon
Scavenger Hunt - Bank Heist - Ballwin
Tomorrow at 8:00 AM + 324 more
Loehr · Scavenger Hunt - Bank Heist - Ballwin
Sales end soon
Scavenger Hunt - Bank Heist - Ballwin
Tomorrow at 8:00 AM + 324 more
Loehr · Scavenger Hunt - Bank Heist - Ballwin
St. Louis| Teeth Whitening & Gems Training| School of Glamology
Fri, Jan 2, 10:00 AM + 5 more
Bellemont · Regus - St Louis - CityPlace
St. Louis| Teeth Whitening & Gems Training| School of Glamology
Fri, Jan 2, 10:00 AM + 5 more
Bellemont · Regus - St Louis - CityPlace
St. Louis|ScalpMicropigmentation(SMP)|Hands On Class|School of Glamology
Fri, Jan 2, 10:00 AM + 5 more
Bellemont · Regus - St Louis - CityPlace
St. Louis|ScalpMicropigmentation(SMP)|Hands On Class|School of Glamology
Fri, Jan 2, 10:00 AM + 5 more
Bellemont · Regus - St Louis - CityPlace
Embrace Your Divine Feminine & The Magic of Venus' Monthly Energy
Wednesday at 6:30 PM
Acme Heights · YENology
Embrace Your Divine Feminine & The Magic of Venus' Monthly Energy
Wednesday at 6:30 PM
Acme Heights · YENology
Am I The Asshole?
Fri, Nov 14, 8:00 PM
Forest Park Southeast · The Improv Shop
Am I The Asshole?
Fri, Nov 14, 8:00 PM
Forest Park Southeast · The Improv Shop
Intro to Espresso – October 30, 2025
Thu, Oct 30, 1:00 PM
Tiffany · 1600 S 39th St
Intro to Espresso – October 30, 2025
Thu, Oct 30, 1:00 PM
Tiffany · 1600 S 39th St
BLUES & BINGO
Sun, Nov 9, 2:00 PM
Arbor Terrace · 95 N Oaks Plaza
BLUES & BINGO
Sun, Nov 9, 2:00 PM
Arbor Terrace · 95 N Oaks Plaza
Whimsy Lohan Presents - Zilla: The Improvised Kaiju
Thu, Nov 13, 7:00 PM
Forest Park Southeast · The Improv Shop
Whimsy Lohan Presents - Zilla: The Improvised Kaiju
Thu, Nov 13, 7:00 PM
Forest Park Southeast · The Improv Shop
St. Louis Revival!
Tuesday at 7:00 PM
Lake Junction · Clayton Community Church
St. Louis Revival!
Tuesday at 7:00 PM
Lake Junction · Clayton Community Church

Trends in O'fallon

Explore more trends

Silent STL - December Holiday Romance Bookclub

Silent STL - December Holiday Romance Bookclub

Comic Relief's Halloween Sale

Comic Relief's Halloween Sale

Soulard in the Alleys: Urban Living in the 19th Century

Soulard in the Alleys: Urban Living in the 19th Century

GREET DEATH AT PLATYPUS

GREET DEATH AT PLATYPUS

One Four Fives: An Improvised Musical

One Four Fives: An Improvised Musical

Birthday Party

Birthday Party

4-Day Bootcamp for PMI PMP® Certification Training | St. Louis, MO

4-Day Bootcamp for PMI PMP® Certification Training | St. Louis, MO

Tina Friml & More

Tina Friml & More

St Louis' Best Halloween Weekend Bar Crawl

St Louis' Best Halloween Weekend Bar Crawl

TAG IT! w/ The Sklar Brothers

TAG IT! w/ The Sklar Brothers

Scavenger Hunt - Bank Heist - Ballwin

Scavenger Hunt - Bank Heist - Ballwin

St. Louis| Teeth Whitening & Gems Training| School of Glamology

St. Louis| Teeth Whitening & Gems Training| School of Glamology

St. Louis|ScalpMicropigmentation(SMP)|Hands On Class|School of Glamology

St. Louis|ScalpMicropigmentation(SMP)|Hands On Class|School of Glamology

Embrace Your Divine Feminine & The Magic of Venus' Monthly Energy

Embrace Your Divine Feminine & The Magic of Venus' Monthly Energy

Am I The Asshole?

Am I The Asshole?

Intro to Espresso – October 30, 2025

Intro to Espresso – October 30, 2025

BLUES & BINGO

BLUES & BINGO

Whimsy Lohan Presents - Zilla: The Improvised Kaiju

Whimsy Lohan Presents - Zilla: The Improvised Kaiju

St. Louis Revival!

St. Louis Revival!

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Car shows

3. Trunk or treat

4. October

5. Crafts fair

6. Scramble golf tournaments

7. Job fairs

8. Halloween party

9. Puff and paint

10. Kids

11. Autumn

12. Speed dating events