find Halloween events for every vibe.

Holiday events this week in O'Fallon, IL

Search for something you love or check out popular events in your area.

Sales end soon
HALLOWEEN NIGHT
Friday at 8:00 PM
St. Louis · Club Viva
Sales end soon
HALLOWEEN NIGHT
Friday at 8:00 PM
St. Louis · Club Viva
Selling quickly
Karen Berger Halloween Party at The Hill Cigar Co
Thursday at 4:00 PM
St. Louis · The Hill Cigar Co, Southwest Avenue, St. Louis, MO, USA
Selling quickly
Karen Berger Halloween Party at The Hill Cigar Co
Thursday at 4:00 PM
St. Louis · The Hill Cigar Co, Southwest Avenue, St. Louis, MO, USA
Sales end soon
Halloween Costume Party!
Today at 6:30 PM
Waterloo · Hopskeller Brewing Company
Sales end soon
Halloween Costume Party!
Today at 6:30 PM
Waterloo · Hopskeller Brewing Company
Just added!
Halloween party at Friendly’s bar and Grill
Saturday at 6:30 PM
St. Louis · Friendly's Sports Bar - South County
Just added!
Halloween party at Friendly’s bar and Grill
Saturday at 6:30 PM
St. Louis · Friendly's Sports Bar - South County
Sales end soon
THE BIGGEST HALLOWEEN BASH IN DA' LOU
Friday at 7:00 PM
St. Louis · 12117 Bellefontaine Rd
Sales end soon
THE BIGGEST HALLOWEEN BASH IN DA' LOU
Friday at 7:00 PM
St. Louis · 12117 Bellefontaine Rd
Fall Mini Photo Sessions with Lost Hill Lake - November 1, 2025
Saturday at 2:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
Fall Mini Photo Sessions with Lost Hill Lake - November 1, 2025
Saturday at 2:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
Sales end soon
FREE Family Trick or Treat, Chesterfield
Friday at 5:00 PM
Chesterfield · Purser Center at Logan University
Sales end soon
FREE Family Trick or Treat, Chesterfield
Friday at 5:00 PM
Chesterfield · Purser Center at Logan University
Halloween Party in the Barrel Tomb
Saturday at 7:00 PM
Wright City · Cedar Lake Cellars
Halloween Party in the Barrel Tomb
Saturday at 7:00 PM
Wright City · Cedar Lake Cellars
Sales end soon
Beware the Scare: Warehouse District Halloween Bash
Friday at 6:00 PM
Perryville · The Warehouse Entertainment District
Sales end soon
Beware the Scare: Warehouse District Halloween Bash
Friday at 6:00 PM
Perryville · The Warehouse Entertainment District
Sales end soon
Halloween Night Party!
Friday at 8:00 PM
Herrin · Sanctuary SIL LLC
Sales end soon
Halloween Night Party!
Friday at 8:00 PM
Herrin · Sanctuary SIL LLC
Springfield's Best Halloween Weekend Bar Crawl
Springfield · Best Bars in Springfield
Springfield's Best Halloween Weekend Bar Crawl
Springfield · Best Bars in Springfield
Sales end soon
Bats, Ghosts and Sugar Skull Suncatchers at Trish and Marys!
Wednesday at 6:00 PM
Springfield · Trish & Mary's Public House
Sales end soon
Bats, Ghosts and Sugar Skull Suncatchers at Trish and Marys!
Wednesday at 6:00 PM
Springfield · Trish & Mary's Public House
Sales end soon
Ghostly Giggles and Mummy Magic
Today at 10:30 AM
Springfield · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA
Sales end soon
Ghostly Giggles and Mummy Magic
Today at 10:30 AM
Springfield · Dabble Springfield, 1704 East Sangamon Avenue, Springfield, IL, USA

Our magic algorithm thinks you'll like these options.

Popular events

Explore more events

Trends in O'Fallon

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend this week?

According to Eventbrite, the best events this week are:

HALLOWEEN NIGHT

Halloween party at Friendly’s bar and Grill

THE BIGGEST HALLOWEEN BASH IN DA' LOU

Fall Mini Photo Sessions with Lost Hill Lake - November 1, 2025

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

halloween events

events happening today near me

singles

job fairs

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Ghostly Giggles and Mummy Magic

Halloween Costume Party!

Bats, Ghosts and Sugar Skull Suncatchers at Trish and Marys!

Karen Berger Halloween Party at The Hill Cigar Co

HALLOWEEN NIGHT

HALLOWEEN NIGHT

Karen Berger Halloween Party at The Hill Cigar Co

Karen Berger Halloween Party at The Hill Cigar Co

Halloween Costume Party!

Halloween Costume Party!

Halloween party at Friendly’s bar and Grill

Halloween party at Friendly’s bar and Grill

THE BIGGEST HALLOWEEN BASH IN DA' LOU

THE BIGGEST HALLOWEEN BASH IN DA' LOU

Fall Mini Photo Sessions with Lost Hill Lake - November 1, 2025

Fall Mini Photo Sessions with Lost Hill Lake - November 1, 2025

FREE Family Trick or Treat, Chesterfield

FREE Family Trick or Treat, Chesterfield

Halloween Party in the Barrel Tomb

Halloween Party in the Barrel Tomb

Beware the Scare: Warehouse District Halloween Bash

Beware the Scare: Warehouse District Halloween Bash

Halloween Night Party!

Halloween Night Party!

Springfield's Best Halloween Weekend Bar Crawl

Springfield's Best Halloween Weekend Bar Crawl

Bats, Ghosts and Sugar Skull Suncatchers at Trish and Marys!

Bats, Ghosts and Sugar Skull Suncatchers at Trish and Marys!

Ghostly Giggles and Mummy Magic

Ghostly Giggles and Mummy Magic

Popular events

Things to do around O'Fallon

Trends in O'Fallon

1. Halloween events

2. Events happening today near me

3. Singles

4. Job fairs

5. Adult halloween party

6. Trick or treat

7. Crafts fair

8. Scramble golf tournaments

9. Christian singles

10. Car shows

11. Breakfast with santa

12. Speed dating