find Halloween events for every vibe.

New Year's Eve Parties in O'fallon

Radiohead Concert in the Dark w Live Strings + Cacao
Mon, Jan 5, 7:00 PM
Columbus Square · Secret Location in St Louis
Radiohead Concert in the Dark w Live Strings + Cacao
Mon, Jan 5, 7:00 PM
Columbus Square · Secret Location in St Louis
Sibling Class
Sat, Nov 15, 10:00 AM
Chinatown · Anderson Hospital
Sibling Class
Sat, Nov 15, 10:00 AM
Chinatown · Anderson Hospital
Halloween Candle Making Workshop, Lets vibe to great spooky music & laughs.
Sat, Oct 25, 5:00 PM
Florissant · 548 N Hwy 67
Halloween Candle Making Workshop, Lets vibe to great spooky music & laughs.
Sat, Oct 25, 5:00 PM
Florissant · 548 N Hwy 67
Home Run Happy Hour: Launch of Granum
Thu, Nov 6, 6:00 PM
Downtown · Cardinals Nation Hall Of Fame Club
Home Run Happy Hour: Launch of Granum
Thu, Nov 6, 6:00 PM
Downtown · Cardinals Nation Hall Of Fame Club
St Louis Singles Event: Arcade Night (Ages 25–45)
Thu, Oct 23, 7:00 PM
Bonfils · Dave & Buster's St. Louis
St Louis Singles Event: Arcade Night (Ages 25–45)
Thu, Oct 23, 7:00 PM
Bonfils · Dave & Buster's St. Louis
Fall Fire Festival at The Green Center
Sat, Nov 8, 5:30 PM
University City · The Green Center
Fall Fire Festival at The Green Center
Sat, Nov 8, 5:30 PM
University City · The Green Center
This is Halloween!
Sat, Oct 25, 7:00 PM
Central West End · The Link Auditorium
This is Halloween!
Sat, Oct 25, 7:00 PM
Central West End · The Link Auditorium
Sales end soon
PMP® Certification Training - Pass PMP® Exam in 1st Attempt | St. Louis, MO
Saturday at 9:00 AM + 25 more
Downtown · 100 S 4th St suite 550
Sales end soon
PMP® Certification Training - Pass PMP® Exam in 1st Attempt | St. Louis, MO
Saturday at 9:00 AM + 25 more
Downtown · 100 S 4th St suite 550
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
ENCORE Soulful Sunday Legends Series: The Music of Sade
Sun, Nov 9, 5:30 PM
Downtown · National Blues Museum
ENCORE Soulful Sunday Legends Series: The Music of Sade
Sun, Nov 9, 5:30 PM
Downtown · National Blues Museum
Selling quickly
Grand Opening Block Party
Friday at 5:00 PM
Windsor Springs · 121 W Monroe Ave
Selling quickly
Grand Opening Block Party
Friday at 5:00 PM
Windsor Springs · 121 W Monroe Ave
PMP Live Instructor Led Certification Weekend Training In St. Louis, MO
Sat, Oct 25, 9:00 AM + 3 more
Downtown · 100 S 4th St
PMP Live Instructor Led Certification Weekend Training In St. Louis, MO
Sat, Oct 25, 9:00 AM + 3 more
Downtown · 100 S 4th St
Sales end soon
Pass The Mic RoofTop Party Vibes
Friday at 6:00 PM
Downtown · Hotel Saint Louis, Autograph Collection
Sales end soon
Pass The Mic RoofTop Party Vibes
Friday at 6:00 PM
Downtown · Hotel Saint Louis, Autograph Collection
HALLOWEEN NIGHT
Fri, Oct 31, 8:00 PM
Central West End · Club Viva
HALLOWEEN NIGHT
Fri, Oct 31, 8:00 PM
Central West End · Club Viva
Custom Candle Making and Sip Party
Fri, Dec 12, 6:00 PM
Benbush · Vivianos (Chesterfield)
Custom Candle Making and Sip Party
Fri, Dec 12, 6:00 PM
Benbush · Vivianos (Chesterfield)
Nearly full
11/18 - St. Peters, MO - A Grateful Gathering
Tue, Nov 18, 7:00 PM
St. Peters · 5300 N Service Rd
Nearly full
11/18 - St. Peters, MO - A Grateful Gathering
Tue, Nov 18, 7:00 PM
St. Peters · 5300 N Service Rd
DBIA-STL | Holiday Party
Wed, Dec 10, 4:00 PM
Forest Park Southeast · Rockwell Beer Company
DBIA-STL | Holiday Party
Wed, Dec 10, 4:00 PM
Forest Park Southeast · Rockwell Beer Company
100 Weddings & A Love Spell: A ShonLove Halloween Soirée
Fri, Oct 31, 7:00 PM
Gardnerville · Venue 827
100 Weddings & A Love Spell: A ShonLove Halloween Soirée
Fri, Oct 31, 7:00 PM
Gardnerville · Venue 827
OCA Annual Community Picnic 2025!
Sun, Oct 26, 1:00 PM
Olivette · Stacy Park
OCA Annual Community Picnic 2025!
Sun, Oct 26, 1:00 PM
Olivette · Stacy Park
Sales end soon
4 Day PMP Program In-Person Training In St. Louis, MI
Tue, Oct 28, 9:00 AM + 2 more
Downtown · 100 S 4th St
Sales end soon
4 Day PMP Program In-Person Training In St. Louis, MI
Tue, Oct 28, 9:00 AM + 2 more
Downtown · 100 S 4th St

Trends in O'fallon

Explore more trends

Radiohead Concert in the Dark w Live Strings + Cacao

Radiohead Concert in the Dark w Live Strings + Cacao

Sibling Class

Sibling Class

Halloween Candle Making Workshop, Lets vibe to great spooky music & laughs.

Halloween Candle Making Workshop, Lets vibe to great spooky music & laughs.

Home Run Happy Hour: Launch of Granum

Home Run Happy Hour: Launch of Granum

St Louis Singles Event: Arcade Night (Ages 25–45)

St Louis Singles Event: Arcade Night (Ages 25–45)

Fall Fire Festival at The Green Center

Fall Fire Festival at The Green Center

This is Halloween!

This is Halloween!

PMP® Certification Training - Pass PMP® Exam in 1st Attempt | St. Louis, MO

PMP® Certification Training - Pass PMP® Exam in 1st Attempt | St. Louis, MO

St Louis' Best Halloween Weekend Bar Crawl

St Louis' Best Halloween Weekend Bar Crawl

ENCORE Soulful Sunday Legends Series: The Music of Sade

ENCORE Soulful Sunday Legends Series: The Music of Sade

Grand Opening Block Party

Grand Opening Block Party

PMP Live Instructor Led Certification Weekend Training In St. Louis, MO

PMP Live Instructor Led Certification Weekend Training In St. Louis, MO

Pass The Mic RoofTop Party Vibes

Pass The Mic RoofTop Party Vibes

HALLOWEEN NIGHT

HALLOWEEN NIGHT

Custom Candle Making and Sip Party

Custom Candle Making and Sip Party

11/18 - St. Peters, MO - A Grateful Gathering

11/18 - St. Peters, MO - A Grateful Gathering

DBIA-STL | Holiday Party

DBIA-STL | Holiday Party

100 Weddings & A Love Spell: A ShonLove Halloween Soirée

100 Weddings & A Love Spell: A ShonLove Halloween Soirée

OCA Annual Community Picnic 2025!

OCA Annual Community Picnic 2025!

4 Day PMP Program In-Person Training In St. Louis, MI

4 Day PMP Program In-Person Training In St. Louis, MI

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Halloween events

3. Job fairs

4. Singles

5. Scramble golf tournaments

6. Crafts fair

7. Speed dating

8. Comedy shows

9. Car shows

10. Breakfast with santa

11. Christian singles

12. Autumn