Free Events and Things to do in O'Fallon, MO

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

Just added
Stop the 3pm Crash - For Work From Home Professionals
Tue, Mar 31, 6:30 PM
St. Louis · MountainHouse Cafe
Just added
Stop the 3pm Crash - For Work From Home Professionals
Tue, Mar 31, 6:30 PM
St. Louis · MountainHouse Cafe
Almost full
ABV Barrel Shop Rush Creek HAZMAT Release Celebration w/Todd Stricker
Thursday at 6:00 PM
Arnold · ABV Barrel Shop
Almost full
ABV Barrel Shop Rush Creek HAZMAT Release Celebration w/Todd Stricker
Thursday at 6:00 PM
Arnold · ABV Barrel Shop
Holy Trinity Serbian Orthodox Church FishFest 2026
Fri, Mar 20, 5:00 PM + 2 more
St. Louis · 1910 Serbian Dr
Holy Trinity Serbian Orthodox Church FishFest 2026
Fri, Mar 20, 5:00 PM + 2 more
St. Louis · 1910 Serbian Dr
Just added
Google Docs Training Workshop at Tandy Rec
Wed, Mar 25, 3:30 PM
St. Louis · Tandy Community Center
Just added
Google Docs Training Workshop at Tandy Rec
Wed, Mar 25, 3:30 PM
St. Louis · Tandy Community Center
Forest Park Southeast Neighborhood Tree Care Blitz
Sun, Apr 5, 10:00 AM
St. Louis · Oakland Avenue & South Newstead Avenue
Forest Park Southeast Neighborhood Tree Care Blitz
Sun, Apr 5, 10:00 AM
St. Louis · Oakland Avenue & South Newstead Avenue
Missouri Bridal & Wedding Expo
Sun, May 31, 1:00 PM
St. Louis · America's Center Convention Complex
Missouri Bridal & Wedding Expo
Sun, May 31, 1:00 PM
St. Louis · America's Center Convention Complex
Alton Art Expo 2
Sat, Sep 26, 12:00 PM + 1 more
Alton · The Old Bakery Beer Company
Alton Art Expo 2
Sat, Sep 26, 12:00 PM + 1 more
Alton · The Old Bakery Beer Company
Alton Cigar Event #9
Sat, Oct 17, 3:00 PM
Alton · Bluff City Grill
Alton Cigar Event #9
Sat, Oct 17, 3:00 PM
Alton · Bluff City Grill
DevLAB: Hacking, Building & Learning in St. Louis
Tue, Jun 2, 5:30 PM
St. Louis · T-REX
DevLAB: Hacking, Building & Learning in St. Louis
Tue, Jun 2, 5:30 PM
St. Louis · T-REX
Voices of Care Educational Series Presented by Pharmacy Alternatives
Wed, Apr 1, 9:00 AM
St. Louis · The Westin St. Louis
Voices of Care Educational Series Presented by Pharmacy Alternatives
Wed, Apr 1, 9:00 AM
St. Louis · The Westin St. Louis
ABV Barrel Shop Boxing Bear #17 Barrel Release Celebration w/Demetrius Cain
Thu, Apr 2, 5:00 PM
Arnold · ABV Barrel Shop
ABV Barrel Shop Boxing Bear #17 Barrel Release Celebration w/Demetrius Cain
Thu, Apr 2, 5:00 PM
Arnold · ABV Barrel Shop
O'Fallon Park Tree Planting
Sat, Apr 11, 12:30 PM
St. Louis · 2001 E Harris Ave
O'Fallon Park Tree Planting
Sat, Apr 11, 12:30 PM
St. Louis · 2001 E Harris Ave
SAYF Presents: Lou at the landing
Sat, Jun 20, 12:00 PM
St. Louis · Laclede's Landing Boulevard
SAYF Presents: Lou at the landing
Sat, Jun 20, 12:00 PM
St. Louis · Laclede's Landing Boulevard
Sales end soon
Executive Master of International Business Info Sessions
Wednesday at 5:30 PM + 6 more
St. Louis · SLU Richard A. Chaifetz School of Business
Sales end soon
Executive Master of International Business Info Sessions
Wednesday at 5:30 PM + 6 more
St. Louis · SLU Richard A. Chaifetz School of Business
Embrace the Challenge - South County
Wed, Jun 3, 11:30 AM
St. Louis · Nancys Urban Tower Farm LLC
Embrace the Challenge - South County
Wed, Jun 3, 11:30 AM
St. Louis · Nancys Urban Tower Farm LLC
ABV Barrel Shop Hosts Investment Whiskey Port Part 2 Finished Release
Thu, Apr 9, 7:00 PM
Arnold · ABV Barrel Shop
ABV Barrel Shop Hosts Investment Whiskey Port Part 2 Finished Release
Thu, Apr 9, 7:00 PM
Arnold · ABV Barrel Shop
The Gateway Artisans' Indoor Market
Fri, Mar 27, 9:00 AM
St. Louis · The Kranzberg Arts Center
The Gateway Artisans' Indoor Market
Fri, Mar 27, 9:00 AM
St. Louis · The Kranzberg Arts Center
Sales end soon
Shaw Neighborhood Tree Care Blitz
Tomorrow at 10:00 AM + 1 more
St. Louis · Tower Grove Park @ Magnolia Avenue & Thurman Avenue
Sales end soon
Shaw Neighborhood Tree Care Blitz
Tomorrow at 10:00 AM + 1 more
St. Louis · Tower Grove Park @ Magnolia Avenue & Thurman Avenue

Trends in O'Fallon

Explore more trends

Frequently asked questions about O'Fallon

What are the best free events to attend?

According to Eventbrite, the best free events are:

Stop the 3pm Crash - For Work From Home Professionals

Google Docs Training Workshop at Tandy Rec

Forest Park Southeast Neighborhood Tree Care Blitz

Missouri Bridal & Wedding Expo

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

st patrick day

events happening today near me

scramble golf tournaments

job fairs

Which free events are coming up?

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

Shaw Neighborhood Tree Care Blitz

Executive Master of International Business Info Sessions

ABV Barrel Shop Rush Creek HAZMAT Release Celebration w/Todd Stricker

Holy Trinity Serbian Orthodox Church FishFest 2026

Stop the 3pm Crash - For Work From Home Professionals

Stop the 3pm Crash - For Work From Home Professionals

ABV Barrel Shop Rush Creek HAZMAT Release Celebration w/Todd Stricker

ABV Barrel Shop Rush Creek HAZMAT Release Celebration w/Todd Stricker

Holy Trinity Serbian Orthodox Church FishFest 2026

Holy Trinity Serbian Orthodox Church FishFest 2026

Google Docs Training Workshop at Tandy Rec

Google Docs Training Workshop at Tandy Rec

Forest Park Southeast Neighborhood Tree Care Blitz

Forest Park Southeast Neighborhood Tree Care Blitz

Missouri Bridal & Wedding Expo

Missouri Bridal & Wedding Expo

Alton Art Expo 2

Alton Art Expo 2

Alton Cigar Event #9

Alton Cigar Event #9

DevLAB: Hacking, Building & Learning in St. Louis

DevLAB: Hacking, Building & Learning in St. Louis

Voices of Care Educational Series Presented by Pharmacy Alternatives

Voices of Care Educational Series Presented by Pharmacy Alternatives

ABV Barrel Shop Boxing Bear #17 Barrel Release Celebration w/Demetrius Cain

ABV Barrel Shop Boxing Bear #17 Barrel Release Celebration w/Demetrius Cain

O'Fallon Park Tree Planting

O'Fallon Park Tree Planting

SAYF Presents: Lou at the landing

SAYF Presents: Lou at the landing

Executive Master of International Business Info Sessions

Executive Master of International Business Info Sessions

Embrace the Challenge - South County

Embrace the Challenge - South County

ABV Barrel Shop Hosts Investment Whiskey Port Part 2 Finished Release

ABV Barrel Shop Hosts Investment Whiskey Port Part 2 Finished Release

The Gateway Artisans' Indoor Market

The Gateway Artisans' Indoor Market

Shaw Neighborhood Tree Care Blitz

Shaw Neighborhood Tree Care Blitz

Things to do around O'Fallon

Trends in O'Fallon

1. St patrick day

2. Events happening today near me

3. Scramble golf tournaments

4. Job fairs

5. Couples

6. Puff and paint

7. Kids

8. Puppy yoga

9. Bingo

10. Car shows

11. Cannabis_event

12. Music bingo

What are the best free events to attend?

Which events are currently trending in O'Fallon?

Which free events are coming up?