find Halloween events for every vibe.

St charles events in O'fallon, MO

Anime St. Louis 2026
Frenchtown · St. Charles Convention Center
Anime St. Louis 2026
Frenchtown · St. Charles Convention Center
Sales end soon
Busch and Boots Music Fest
Saturday at 4:00 PM
Missouri · Busch Family Brewing and Distilling
Sales end soon
Busch and Boots Music Fest
Saturday at 4:00 PM
Missouri · Busch Family Brewing and Distilling
Gospel Discussion Group
Mon, Jan 5, 6:30 PM
Frenchtown · The Church of Jesus Christ of Latter-day Saints
Gospel Discussion Group
Mon, Jan 5, 6:30 PM
Frenchtown · The Church of Jesus Christ of Latter-day Saints
Urshan Symposium of Apostolic Pentecostal Scholars 2025
Thu, Oct 16, 12:00 PM
Wentzville · Urshan Graduate School-Theology
Urshan Symposium of Apostolic Pentecostal Scholars 2025
Thu, Oct 16, 12:00 PM
Wentzville · Urshan Graduate School-Theology
An Evening of Jimmy Buffett with The Jumbo Shrimp Band at WestportPlayhouse
Sat, Nov 8, 8:00 PM
Maryland Heights · Westport Playhouse
An Evening of Jimmy Buffett with The Jumbo Shrimp Band at WestportPlayhouse
Sat, Nov 8, 8:00 PM
Maryland Heights · Westport Playhouse
Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown
Sat, Oct 18, 9:00 PM
St. Peters · Mid Rivers Mall
Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown
Sat, Oct 18, 9:00 PM
St. Peters · Mid Rivers Mall
80's vs 90's Trivia Night Fundraiser with Silent Auction
Sat, Nov 1, 4:00 PM
Natural Bridge Junction · Machinists Hall Inc
80's vs 90's Trivia Night Fundraiser with Silent Auction
Sat, Nov 1, 4:00 PM
Natural Bridge Junction · Machinists Hall Inc
Ludosport Missouri School Tournament 2026 season
Sat, Oct 18, 11:00 AM
St. Peters · Mid Rivers Mall
Ludosport Missouri School Tournament 2026 season
Sat, Oct 18, 11:00 AM
St. Peters · Mid Rivers Mall
Fall 2025 Preview Weekend
Thu, Nov 6, 1:00 PM
Wentzville · Urshan University
Fall 2025 Preview Weekend
Thu, Nov 6, 1:00 PM
Wentzville · Urshan University
V.I.P Shattered Illusions
Fri, Nov 21, 8:30 PM
Gardnerville · 2025 Golfway St
V.I.P Shattered Illusions
Fri, Nov 21, 8:30 PM
Gardnerville · 2025 Golfway St
Shattered Illusions
Fri, Nov 21, 7:30 PM
Gardnerville · 2025 Golfway St
Shattered Illusions
Fri, Nov 21, 7:30 PM
Gardnerville · 2025 Golfway St
Players Ball
Sat, Dec 13, 7:00 PM
Gardnerville · St Andrews Cinema
Players Ball
Sat, Dec 13, 7:00 PM
Gardnerville · St Andrews Cinema
Sales end soon
Knit and Sip
Wednesday at 5:30 PM
Frenchtown · Magpie's Restaurant
Sales end soon
Knit and Sip
Wednesday at 5:30 PM
Frenchtown · Magpie's Restaurant
Pink Houses Tribute to John Cougar and Fortunate Son Tribute to CCR
Fri, Oct 24, 8:00 PM
St. Peters · Diamond Music Hall
Pink Houses Tribute to John Cougar and Fortunate Son Tribute to CCR
Fri, Oct 24, 8:00 PM
St. Peters · Diamond Music Hall
Sales end soon
Wentzville Community Historical Society 8th Annual Cemetery Tour
Saturday at 1:00 PM
Wentzville · Linn Cemetery
Sales end soon
Wentzville Community Historical Society 8th Annual Cemetery Tour
Saturday at 1:00 PM
Wentzville · Linn Cemetery
Selling quickly
Magpies October Tea Party
Mon, Oct 20, 5:00 PM
Frenchtown · Magpie's Restaurant
Selling quickly
Magpies October Tea Party
Mon, Oct 20, 5:00 PM
Frenchtown · Magpie's Restaurant
Demo Day 2025
Wed, Nov 12, 5:00 PM
St. Charles · OPO Startups [1909 Old Post Office]
Demo Day 2025
Wed, Nov 12, 5:00 PM
St. Charles · OPO Startups [1909 Old Post Office]
Pop the Balloon St.Louis presents:Fall for a Match Speed Dating
Wed, Nov 5, 7:00 PM
Frenchtown · The Wine Cafe
Pop the Balloon St.Louis presents:Fall for a Match Speed Dating
Wed, Nov 5, 7:00 PM
Frenchtown · The Wine Cafe
Sales end soon
ANGEL MEET AND GREET
Saturday at 6:00 PM
Frenchtown · The Family Arena
Sales end soon
ANGEL MEET AND GREET
Saturday at 6:00 PM
Frenchtown · The Family Arena
PRL at Diamond Music Hall
Sat, Oct 18, 8:00 PM
St. Peters · Diamond Music Hall
PRL at Diamond Music Hall
Sat, Oct 18, 8:00 PM
St. Peters · Diamond Music Hall

Trends in O'fallon

Explore more trends

Anime St. Louis 2026

Anime St. Louis 2026

Busch and Boots Music Fest

Busch and Boots Music Fest

Gospel Discussion Group

Gospel Discussion Group

Urshan Symposium of Apostolic Pentecostal Scholars 2025

Urshan Symposium of Apostolic Pentecostal Scholars 2025

An Evening of Jimmy Buffett with The Jumbo Shrimp Band at WestportPlayhouse

An Evening of Jimmy Buffett with The Jumbo Shrimp Band at WestportPlayhouse

Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown

Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown

80's vs 90's Trivia Night Fundraiser with Silent Auction

80's vs 90's Trivia Night Fundraiser with Silent Auction

Ludosport Missouri School Tournament 2026 season

Ludosport Missouri School Tournament 2026 season

Fall 2025 Preview Weekend

Fall 2025 Preview Weekend

V.I.P Shattered Illusions

V.I.P Shattered Illusions

Shattered Illusions

Shattered Illusions

Players Ball

Players Ball

Knit and Sip

Knit and Sip

Pink Houses Tribute to John Cougar and Fortunate Son Tribute to CCR

Pink Houses Tribute to John Cougar and Fortunate Son Tribute to CCR

Wentzville Community Historical Society 8th Annual Cemetery Tour

Wentzville Community Historical Society 8th Annual Cemetery Tour

Magpies October Tea Party

Magpies October Tea Party

Demo Day 2025

Demo Day 2025

Pop the Balloon St.Louis presents:Fall for a Match Speed Dating

Pop the Balloon St.Louis presents:Fall for a Match Speed Dating

ANGEL MEET AND GREET

ANGEL MEET AND GREET

PRL at Diamond Music Hall

PRL at Diamond Music Hall

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. Kids

9. Halloween party

10. Puppy yoga

11. Puff and paint

12. Autumn