find Halloween events for every vibe.

Outdoor events in O'fallon, MO

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Homecoming Ticket Bundles
Sun, Oct 26, 12:00 AM
Jefferson City · Lincoln University
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Homecoming Ticket Bundles
Sun, Oct 26, 12:00 AM
Jefferson City · Lincoln University
Pre Dawn Party & Pep Rally
Sun, Oct 26, 12:00 AM
Jefferson City · Jason Gymnasium
Pre Dawn Party & Pep Rally
Sun, Oct 26, 12:00 AM
Jefferson City · Jason Gymnasium
An Exciting Scavenger Hunt! - Small Town Beauty
Today at 10:00 AM + 21 more
North Jefferson · 209 W Capitol Ave
An Exciting Scavenger Hunt! - Small Town Beauty
Today at 10:00 AM + 21 more
North Jefferson · 209 W Capitol Ave
Adventurous Scavenger Hunt - Adventure Quest: Uncovering Hidden Treasures!
Today at 8:00 AM + 102 more
Grandview Acres · Washington Park
Adventurous Scavenger Hunt - Adventure Quest: Uncovering Hidden Treasures!
Today at 8:00 AM + 102 more
Grandview Acres · Washington Park
Springfield, IL After Dark: Solve the Murder Mystery!
Today at 4:00 PM + 308 more
Arlington Heights · 208 N 6th St
Springfield, IL After Dark: Solve the Murder Mystery!
Today at 4:00 PM + 308 more
Arlington Heights · 208 N 6th St
Journey to Bethlehem
Wed, Dec 10, 6:00 PM + 31 more
Jefferson City · 1512 Swifts Hwy
Journey to Bethlehem
Wed, Dec 10, 6:00 PM + 31 more
Jefferson City · 1512 Swifts Hwy
Springfield, IL's Secret Society: Mystery Hunt
Today at 2:00 PM + 232 more
Arlington Heights · 208 N 6th St
Springfield, IL's Secret Society: Mystery Hunt
Today at 2:00 PM + 232 more
Arlington Heights · 208 N 6th St
Columbia's Secret Society: Mystery Hunt
Today at 2:00 PM + 232 more
Moores Switch · 115 N 8th St
Columbia's Secret Society: Mystery Hunt
Today at 2:00 PM + 232 more
Moores Switch · 115 N 8th St
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You Sleuth Augmented Reality Detective Experience
Today at 1:00 PM + 325 more
Springfield · Springfield
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You Sleuth Augmented Reality Detective Experience
Today at 1:00 PM + 325 more
Springfield · Springfield
Annual Employee Awards & Recognition Dinner
Sun, Nov 9, 5:00 PM
Springfield · UIS Student Union
Annual Employee Awards & Recognition Dinner
Sun, Nov 9, 5:00 PM
Springfield · UIS Student Union
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Land of Lincoln Smartphone Audio APP Self Guided Walking Tour
Today at 10:00 PM + 390 more
Arlington Heights · Lincoln Home National Historic Site Visitor Center
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Land of Lincoln Smartphone Audio APP Self Guided Walking Tour
Today at 10:00 PM + 390 more
Arlington Heights · Lincoln Home National Historic Site Visitor Center
Rolla Scavenger Hunt For Couples - SHOW LOVE (Date Night!!)
Tomorrow at 1:00 PM + 464 more
Rolla · Recommended scavenger starting point or other city spot of your choice! (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Rolla Scavenger Hunt For Couples - SHOW LOVE (Date Night!!)
Tomorrow at 1:00 PM + 464 more
Rolla · Recommended scavenger starting point or other city spot of your choice! (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Love & Hiking Date For Couples (Self-Guided) - Jefferson City Area!
Tomorrow at 1:00 PM + 464 more
Missouri · Binder Park recommended venue or other trail of your choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Love & Hiking Date For Couples (Self-Guided) - Jefferson City Area!
Tomorrow at 1:00 PM + 464 more
Missouri · Binder Park recommended venue or other trail of your choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Springfield, IL - Murder Mystery: Catch the Killer!
Today at 12:00 PM + 156 more
Arlington Heights · 208 N 6th St
Springfield, IL - Murder Mystery: Catch the Killer!
Today at 12:00 PM + 156 more
Arlington Heights · 208 N 6th St
Benefit for Lori
Sat, Nov 22, 5:00 PM
Mildred · Route 66 hotel and conference center
Benefit for Lori
Sat, Nov 22, 5:00 PM
Mildred · Route 66 hotel and conference center
Columbia Murder Mystery: Catch the Killer!
Today at 12:00 PM + 179 more
Moores Switch · 725 E Broadway
Columbia Murder Mystery: Catch the Killer!
Today at 12:00 PM + 179 more
Moores Switch · 725 E Broadway
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Springfield Audio Tour: Lawmakers, Lincolns, and Legendary Landmarks
Arlington Heights · Illinois State Board of Education
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Springfield Audio Tour: Lawmakers, Lincolns, and Legendary Landmarks
Arlington Heights · Illinois State Board of Education
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Snapshot Quest Photo Scavenger Hunt Game
Today at 1:00 PM + 292 more
Springfield · Springfield
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Snapshot Quest Photo Scavenger Hunt Game
Today at 1:00 PM + 292 more
Springfield · Springfield
Spookfest 2025
Fri, Oct 31, 5:00 PM + 1 more
Grandview Acres · Joker's Lounge
Spookfest 2025
Fri, Oct 31, 5:00 PM + 1 more
Grandview Acres · Joker's Lounge
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Quincy Audio Tour: Echoes of Grandeur in the Gem City
South Park Terrace · Villa Kathrine
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Quincy Audio Tour: Echoes of Grandeur in the Gem City
South Park Terrace · Villa Kathrine

Trends in O'fallon

Explore more trends

Homecoming Ticket Bundles

Homecoming Ticket Bundles

Pre Dawn Party & Pep Rally

Pre Dawn Party & Pep Rally

An Exciting Scavenger Hunt! - Small Town Beauty

An Exciting Scavenger Hunt! - Small Town Beauty

Adventurous Scavenger Hunt - Adventure Quest: Uncovering Hidden Treasures!

Adventurous Scavenger Hunt - Adventure Quest: Uncovering Hidden Treasures!

Springfield, IL After Dark: Solve the Murder Mystery!

Springfield, IL After Dark: Solve the Murder Mystery!

Journey to Bethlehem

Journey to Bethlehem

Springfield, IL's Secret Society: Mystery Hunt

Springfield, IL's Secret Society: Mystery Hunt

Columbia's Secret Society: Mystery Hunt

Columbia's Secret Society: Mystery Hunt

You Sleuth Augmented Reality Detective Experience

You Sleuth Augmented Reality Detective Experience

Annual Employee Awards & Recognition Dinner

Annual Employee Awards & Recognition Dinner

Land of Lincoln Smartphone Audio APP Self Guided Walking Tour

Land of Lincoln Smartphone Audio APP Self Guided Walking Tour

Rolla Scavenger Hunt For Couples - SHOW LOVE (Date Night!!)

Rolla Scavenger Hunt For Couples - SHOW LOVE (Date Night!!)

Love & Hiking Date For Couples (Self-Guided) - Jefferson City Area!

Love & Hiking Date For Couples (Self-Guided) - Jefferson City Area!

Springfield, IL - Murder Mystery: Catch the Killer!

Springfield, IL - Murder Mystery: Catch the Killer!

Benefit for Lori

Benefit for Lori

Columbia Murder Mystery: Catch the Killer!

Columbia Murder Mystery: Catch the Killer!

Springfield Audio Tour: Lawmakers, Lincolns, and Legendary Landmarks

Springfield Audio Tour: Lawmakers, Lincolns, and Legendary Landmarks

Snapshot Quest Photo Scavenger Hunt Game

Snapshot Quest Photo Scavenger Hunt Game

Spookfest 2025

Spookfest 2025

Quincy Audio Tour: Echoes of Grandeur in the Gem City

Quincy Audio Tour: Echoes of Grandeur in the Gem City

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. Puppy yoga

9. Puff and paint

10. Kids

11. Halloween party

12. Autumn