find Halloween events for every vibe.

Teen party events in O'fallon, MO

Nearly full
Knit and Sip
Wed, Oct 8, 5:30 PM
Frenchtown · Magpie's Restaurant
Nearly full
Knit and Sip
Wed, Oct 8, 5:30 PM
Frenchtown · Magpie's Restaurant
Saint Charles Market Pumpkin Carving Contest
Sat, Oct 18, 8:00 AM
St. Charles · North Main Street
Saint Charles Market Pumpkin Carving Contest
Sat, Oct 18, 8:00 AM
St. Charles · North Main Street
2025 Hancock High School Alumni and Community Party
Fri, Oct 24, 7:00 PM
Mehlville · Royale Orleans
2025 Hancock High School Alumni and Community Party
Fri, Oct 24, 7:00 PM
Mehlville · Royale Orleans
Nearly full
Spirit Alive 2025
Fri, Oct 17, 6:30 PM
Missouri · St. Joseph School-Josephville
Nearly full
Spirit Alive 2025
Fri, Oct 17, 6:30 PM
Missouri · St. Joseph School-Josephville
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
Kid's Sparring Mini Tournament at Lyndell Institute (LYNDELL STUDENTS ONLY)
Sun, Oct 26, 1:00 PM
Weldon Spring · 515 Huber Park Ct
Kid's Sparring Mini Tournament at Lyndell Institute (LYNDELL STUDENTS ONLY)
Sun, Oct 26, 1:00 PM
Weldon Spring · 515 Huber Park Ct
Whiskey Night at Luvwoo Bar
Wed, Oct 29, 7:00 PM
Benbush · Luvwoo Bar
Whiskey Night at Luvwoo Bar
Wed, Oct 29, 7:00 PM
Benbush · Luvwoo Bar
11/04/2025 Chunky Blanket Workshop (YARN PROVIDED OPTION) at Viviano’s in Fenton, MO
Tue, Nov 4, 5:30 PM
Fenton · Vivianos (Fenton)
11/04/2025 Chunky Blanket Workshop (YARN PROVIDED OPTION) at Viviano’s in Fenton, MO
Tue, Nov 4, 5:30 PM
Fenton · Vivianos (Fenton)
11/04/2025 Chunky Blanket Workshop (BRING YOUR OWN YARN OPTION) at Viviano’s in Fenton, MO
Tue, Nov 4, 5:30 PM
Fenton · Vivianos (Fenton)
11/04/2025 Chunky Blanket Workshop (BRING YOUR OWN YARN OPTION) at Viviano’s in Fenton, MO
Tue, Nov 4, 5:30 PM
Fenton · Vivianos (Fenton)
2025 First Annual STL Warriors Baseball Gala
Fri, Nov 7, 6:00 PM
St. Peters · Old Hickory Golf Club
2025 First Annual STL Warriors Baseball Gala
Fri, Nov 7, 6:00 PM
St. Peters · Old Hickory Golf Club
Sales end soon
Gin Week Negroni Sessions Welcome Party w Ford's Gin Founder Simon Ford
Sunday at 5:00 PM
Tower Grove East · The Gin Room
Sales end soon
Gin Week Negroni Sessions Welcome Party w Ford's Gin Founder Simon Ford
Sunday at 5:00 PM
Tower Grove East · The Gin Room
The Homecoming After-Party - Zeta Phi Beta Sorority, Inc. - Phi Nu Zeta
Sat, Nov 1, 7:00 PM
Hazelwood · 1186 Teson Rd
The Homecoming After-Party - Zeta Phi Beta Sorority, Inc. - Phi Nu Zeta
Sat, Nov 1, 7:00 PM
Hazelwood · 1186 Teson Rd
Nearly full
An Evening with Sober Sisters in STL: Shopping, Sound Bath & Mocktails
Tue, Oct 7, 7:00 PM
Maplewood · Goldie’s Hair + Wardrobe
Nearly full
An Evening with Sober Sisters in STL: Shopping, Sound Bath & Mocktails
Tue, Oct 7, 7:00 PM
Maplewood · Goldie’s Hair + Wardrobe
Queer Professional Alliance STL Bowling Party & Costume Contest
Sun, Oct 12, 2:00 PM
Windsor Springs · Crestwood Bowl
Queer Professional Alliance STL Bowling Party & Costume Contest
Sun, Oct 12, 2:00 PM
Windsor Springs · Crestwood Bowl
Game Day & Girl Group
Thu, Nov 13, 10:00 PM
Forest Park Southeast · The Improv Shop
Game Day & Girl Group
Thu, Nov 13, 10:00 PM
Forest Park Southeast · The Improv Shop
The Mexican STL Patio Night
Thu, Oct 9, 5:30 PM
Crestwood · 9615 Watson Rd
The Mexican STL Patio Night
Thu, Oct 9, 5:30 PM
Crestwood · 9615 Watson Rd
Busch and Boots Music Fest
Sat, Oct 11, 4:00 PM
Missouri · Busch Family Brewing and Distilling
Busch and Boots Music Fest
Sat, Oct 11, 4:00 PM
Missouri · Busch Family Brewing and Distilling
Toys for Tots Trivia Night 2025
Sat, Nov 22, 6:00 PM
Windsor Springs · Sunset Hills Community Center
Toys for Tots Trivia Night 2025
Sat, Nov 22, 6:00 PM
Windsor Springs · Sunset Hills Community Center
REGISTRATION ENDS OCTOBER 9: Ameren WISE Totally Rad 80's 5K Run/Walk
Sat, Oct 11, 8:00 AM
Lemay · Jefferson Barracks Park
REGISTRATION ENDS OCTOBER 9: Ameren WISE Totally Rad 80's 5K Run/Walk
Sat, Oct 11, 8:00 AM
Lemay · Jefferson Barracks Park
Sales end soon
4th Annual BOOBash
Friday at 7:00 PM
Midtown · Work & Leisure
Sales end soon
4th Annual BOOBash
Friday at 7:00 PM
Midtown · Work & Leisure

Trends in O'fallon

Explore more trends

Knit and Sip

Knit and Sip

Saint Charles Market Pumpkin Carving Contest

Saint Charles Market Pumpkin Carving Contest

2025 Hancock High School Alumni and Community Party

2025 Hancock High School Alumni and Community Party

Spirit Alive 2025

Spirit Alive 2025

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

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

Kid's Sparring Mini Tournament at Lyndell Institute (LYNDELL STUDENTS ONLY)

Kid's Sparring Mini Tournament at Lyndell Institute (LYNDELL STUDENTS ONLY)

Whiskey Night at Luvwoo Bar

Whiskey Night at Luvwoo Bar

11/04/2025 Chunky Blanket Workshop (YARN PROVIDED OPTION) at Viviano’s in Fenton, MO

11/04/2025 Chunky Blanket Workshop (YARN PROVIDED OPTION) at Viviano’s in Fenton, MO

11/04/2025 Chunky Blanket Workshop (BRING YOUR OWN YARN OPTION) at Viviano’s in Fenton, MO

11/04/2025 Chunky Blanket Workshop (BRING YOUR OWN YARN OPTION) at Viviano’s in Fenton, MO

2025 First Annual STL Warriors Baseball Gala

2025 First Annual STL Warriors Baseball Gala

Gin Week Negroni Sessions Welcome Party w Ford's Gin Founder Simon Ford

Gin Week Negroni Sessions Welcome Party w Ford's Gin Founder Simon Ford

The Homecoming After-Party - Zeta Phi Beta Sorority, Inc. - Phi Nu Zeta

The Homecoming After-Party - Zeta Phi Beta Sorority, Inc. - Phi Nu Zeta

An Evening with Sober Sisters in STL: Shopping, Sound Bath & Mocktails

An Evening with Sober Sisters in STL: Shopping, Sound Bath & Mocktails

Queer Professional Alliance STL Bowling Party & Costume Contest

Queer Professional Alliance STL Bowling Party & Costume Contest

Game Day & Girl Group

Game Day & Girl Group

The Mexican STL Patio Night

The Mexican STL Patio Night

Busch and Boots Music Fest

Busch and Boots Music Fest

Toys for Tots Trivia Night 2025

Toys for Tots Trivia Night 2025

REGISTRATION ENDS OCTOBER 9: Ameren WISE Totally Rad 80's 5K Run/Walk

REGISTRATION ENDS OCTOBER 9: Ameren WISE Totally Rad 80's 5K Run/Walk

4th Annual BOOBash

4th Annual BOOBash

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Car shows

3. Scramble golf tournaments

4. Crafts fair

5. Trunk or treat

6. Puppy yoga

7. Job fairs

8. October

9. Kids

10. Live music

11. Puff and paint

12. Music bingo