find Halloween events for every vibe.

New Year's Eve Parties in O'fallon

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A Date Night Adventure! - St. Louis Showdown
Today at 8:00 AM + 8 more
Downtown · 11 N 4th St
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A Date Night Adventure! - St. Louis Showdown
Today at 8:00 AM + 8 more
Downtown · 11 N 4th St
Boots on the Ground - Veterans Day Party
Sun, Nov 9, 3:00 PM
· Nova's Bistro & Events
Boots on the Ground - Veterans Day Party
Sun, Nov 9, 3:00 PM
· Nova's Bistro & Events
C H E M I S T R Y
Fri, Oct 31, 8:00 PM
Midtown · 509 N Garrison Ave
C H E M I S T R Y
Fri, Oct 31, 8:00 PM
Midtown · 509 N Garrison Ave
Where Innovation Meets Care
Fri, Dec 12, 6:00 PM
Dellwood · 10174 W Florissant Ave
Where Innovation Meets Care
Fri, Dec 12, 6:00 PM
Dellwood · 10174 W Florissant Ave
Friendsgiving Trivia
Fri, Nov 21, 6:30 PM
Belleville · The Weingarten
Friendsgiving Trivia
Fri, Nov 21, 6:30 PM
Belleville · The Weingarten
15th Annual Interfaith Concert
Sun, Oct 26, 4:00 PM
Covenant Blu · The Sheldon Concert Hall and Art Galleries
15th Annual Interfaith Concert
Sun, Oct 26, 4:00 PM
Covenant Blu · The Sheldon Concert Hall and Art Galleries
The Group Thing Costume Party
Sat, Oct 25, 9:00 PM
Carondelet · Your Place Diner
The Group Thing Costume Party
Sat, Oct 25, 9:00 PM
Carondelet · Your Place Diner
Shannon Messenger | Keeper of the Lost Cities Graphic Novel
Wed, Dec 3, 6:30 PM
Woodhine Heights · Keating Center for the Performing Arts
Shannon Messenger | Keeper of the Lost Cities Graphic Novel
Wed, Dec 3, 6:30 PM
Woodhine Heights · Keating Center for the Performing Arts
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St Louis Singles Event: Speed Dating (Ages 40+) at Coffee Shop
Saturday at 2:00 PM
Downtown West · Harvey's Coffee and Cocktails
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St Louis Singles Event: Speed Dating (Ages 40+) at Coffee Shop
Saturday at 2:00 PM
Downtown West · Harvey's Coffee and Cocktails
Nearly full
2025 Annual NO COVER Mollyween Costume Bash!
Sat, Oct 25, 8:00 PM
Soulard · Mollys in Soulard
Nearly full
2025 Annual NO COVER Mollyween Costume Bash!
Sat, Oct 25, 8:00 PM
Soulard · Mollys in Soulard
Superjam at Horseshoe STL
Wed, Dec 31, 8:30 PM
Columbus Square · 999 N 2nd St
Superjam at Horseshoe STL
Wed, Dec 31, 8:30 PM
Columbus Square · 999 N 2nd St
CASH MONEY vs NO LIMIT WATCH PARTY
Sat, Oct 25, 8:00 PM
Central West End · Treasures
CASH MONEY vs NO LIMIT WATCH PARTY
Sat, Oct 25, 8:00 PM
Central West End · Treasures
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St Louis Singles Event: Happy Hour Mixer (Ages 40+)
Saturday at 7:00 PM
Central West End · Session Taco - Central West End
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St Louis Singles Event: Happy Hour Mixer (Ages 40+)
Saturday at 7:00 PM
Central West End · Session Taco - Central West End
St. Louis Cinco De Mayo Bar Crawl
Sat, May 2, 5:00 PM
Forest Park Southeast · Purple Quarters
St. Louis Cinco De Mayo Bar Crawl
Sat, May 2, 5:00 PM
Forest Park Southeast · Purple Quarters
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Collinsville Historical Museum's Night at the Museum
Thursday at 6:30 PM
Meadow Heights · 406 W Main St
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Collinsville Historical Museum's Night at the Museum
Thursday at 6:30 PM
Meadow Heights · 406 W Main St
St. Louis Speed Dating for Singles Age 40s/50s ♥ Missouri
Wed, Nov 19, 6:30 PM
Columbus Square · Social House Bar & Grill Soulard
St. Louis Speed Dating for Singles Age 40s/50s ♥ Missouri
Wed, Nov 19, 6:30 PM
Columbus Square · Social House Bar & Grill Soulard
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FALL FEST 3 ANNNUAL R&B BONFIRE
Saturday at 5:00 PM
Wellston · COFLA City Garden
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FALL FEST 3 ANNNUAL R&B BONFIRE
Saturday at 5:00 PM
Wellston · COFLA City Garden
St. Louis Singles Event: Happy Hour Mixer (Ages 25–45)
Sat, Nov 8, 7:00 PM
Forest Park Southeast · HandleBar
St. Louis Singles Event: Happy Hour Mixer (Ages 25–45)
Sat, Nov 8, 7:00 PM
Forest Park Southeast · HandleBar
U-Ball 2025 (Harlem Nights Edition)
Sat, Nov 29, 7:30 PM
Frenchtown · Ameristar Casino Resort Spa St. Charles
U-Ball 2025 (Harlem Nights Edition)
Sat, Nov 29, 7:30 PM
Frenchtown · Ameristar Casino Resort Spa St. Charles

Trends in O'fallon

Explore more trends

A Date Night Adventure! - St. Louis Showdown

A Date Night Adventure! - St. Louis Showdown

Boots on the Ground - Veterans Day Party

Boots on the Ground - Veterans Day Party

C H E M I S T R Y

C H E M I S T R Y

Where Innovation Meets Care

Where Innovation Meets Care

Friendsgiving Trivia

Friendsgiving Trivia

15th Annual Interfaith Concert

15th Annual Interfaith Concert

The Group Thing Costume Party

The Group Thing Costume Party

Shannon Messenger | Keeper of the Lost Cities Graphic Novel

Shannon Messenger | Keeper of the Lost Cities Graphic Novel

St Louis Singles Event: Speed Dating (Ages 40+) at Coffee Shop

St Louis Singles Event: Speed Dating (Ages 40+) at Coffee Shop

2025 Annual NO COVER Mollyween Costume Bash!

2025 Annual NO COVER Mollyween Costume Bash!

Superjam at Horseshoe STL

Superjam at Horseshoe STL

CASH MONEY vs NO LIMIT WATCH PARTY

CASH MONEY vs NO LIMIT WATCH PARTY

St Louis Singles Event: Happy Hour Mixer (Ages 40+)

St Louis Singles Event: Happy Hour Mixer (Ages 40+)

St. Louis Cinco De Mayo Bar Crawl

St. Louis Cinco De Mayo Bar Crawl

Collinsville Historical Museum's Night at the Museum

Collinsville Historical Museum's Night at the Museum

St. Louis Speed Dating for Singles Age 40s/50s ♥ Missouri

St. Louis Speed Dating for Singles Age 40s/50s ♥ Missouri

FALL FEST 3 ANNNUAL R&B BONFIRE

FALL FEST 3 ANNNUAL R&B BONFIRE

St. Louis Singles Event: Happy Hour Mixer (Ages 25–45)

St. Louis Singles Event: Happy Hour Mixer (Ages 25–45)

U-Ball 2025 (Harlem Nights Edition)

U-Ball 2025 (Harlem Nights Edition)

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Halloween events

3. Scramble golf tournaments

4. Job fairs

5. Crafts fair

6. Singles

7. Car shows

8. Speed dating

9. Comedy shows

10. Kids events

11. Christian singles

12. Autumn