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

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

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
Almost full
ABV Barrel Shop Boxing Bear #18 Barrel Release Celebration w/Demetrius Cain
Thu, Jun 11, 7:00 PM
Arnold · ABV Barrel Shop
Almost full
ABV Barrel Shop Boxing Bear #18 Barrel Release Celebration w/Demetrius Cain
Thu, Jun 11, 7:00 PM
Arnold · ABV Barrel Shop
Benton Park Tree Care Blitz
Today at 8:00 AM + 1 more
St. Louis · Benton Park Lake
Benton Park Tree Care Blitz
Today at 8:00 AM + 1 more
St. Louis · Benton Park Lake
Single Adult Fireside
Sun, Jul 26, 7:00 PM
St Louis · The Church of Jesus Christ of Latter-day Saints
Single Adult Fireside
Sun, Jul 26, 7:00 PM
St Louis · The Church of Jesus Christ of Latter-day Saints
Sazón Latin Food Festival 2026: St. Louis’s Taste of Latin American Food
Sun, Sep 27, 12:00 PM
St. Louis · 4 Hands Brewing Company
Sazón Latin Food Festival 2026: St. Louis’s Taste of Latin American Food
Sun, Sep 27, 12:00 PM
St. Louis · 4 Hands Brewing Company
Realm Makers Expo
Fri, Jun 26, 10:00 AM + 1 more
St. Louis · St. Louis Union Station Hotel, Curio Collection by Hilton
Realm Makers Expo
Fri, Jun 26, 10:00 AM + 1 more
St. Louis · St. Louis Union Station Hotel, Curio Collection by Hilton
Sales end soon
Going Out of Country Art Sale!
Today at 4:00 PM + 1 more
St. Louis · Hummel's Pub
Sales end soon
Going Out of Country Art Sale!
Today at 4:00 PM + 1 more
St. Louis · Hummel's Pub
Forest Park Southeast Neighborhood Tree Care Blitz
Sun, Jun 7, 8:00 AM + 6 more
St. Louis · 1083 S Newstead Ave
Forest Park Southeast Neighborhood Tree Care Blitz
Sun, Jun 7, 8:00 AM + 6 more
St. Louis · 1083 S Newstead Ave
ABV Barrel Shop: Col. Steve's Farewell Tour - Gary Hinegardner of Wood Hat
Sun, Jun 14, 2:00 PM
Arnold · ABV Barrel Shop
ABV Barrel Shop: Col. Steve's Farewell Tour - Gary Hinegardner of Wood Hat
Sun, Jun 14, 2:00 PM
Arnold · ABV Barrel Shop
Stake Conference
Sat, Oct 10, 12:00 AM
St Louis · The Church of Jesus Christ of Latter-day Saints
Stake Conference
Sat, Oct 10, 12:00 AM
St Louis · The Church of Jesus Christ of Latter-day Saints
39th Annual SerbFest 2026
Fri, Jul 31, 5:00 PM + 2 more
St. Louis · 1910 Serbian Dr
39th Annual SerbFest 2026
Fri, Jul 31, 5:00 PM + 2 more
St. Louis · 1910 Serbian Dr
Tai Chi Session and Chair Movement
Fri, May 22, 11:30 AM + 32 more
St. Louis · ArchWell Health
Tai Chi Session and Chair Movement
Fri, May 22, 11:30 AM + 32 more
St. Louis · ArchWell Health
Free Outdoor Wellness & Club Preview!
Today at 10:00 AM + 4 more
St. Louis · 904 S 4th St
Free Outdoor Wellness & Club Preview!
Today at 10:00 AM + 4 more
St. Louis · 904 S 4th St
Almost full
ABV Barrel Shop: Col. Steve's Farewell Tour- David Weglarz / StilL 630
Thu, Jul 9, 6:30 PM
Arnold · ABV Barrel Shop
Almost full
ABV Barrel Shop: Col. Steve's Farewell Tour- David Weglarz / StilL 630
Thu, Jul 9, 6:30 PM
Arnold · ABV Barrel Shop
Sales end soon
Rooftop Rhythm @ ART Bar
Today at 8:00 PM + 2 more
St. Louis · ART Bar
Sales end soon
Rooftop Rhythm @ ART Bar
Today at 8:00 PM + 2 more
St. Louis · ART Bar
Sales end soon
Shaw Neighborhood Tree Care Blitz
Tomorrow at 8:00 AM + 7 more
St. Louis · Tower Grove Park @ Magnolia Avenue & Thurman Avenue
Sales end soon
Shaw Neighborhood Tree Care Blitz
Tomorrow at 8:00 AM + 7 more
St. Louis · Tower Grove Park @ Magnolia Avenue & Thurman Avenue
Just added
MAHJ AT THE PARK 6/13-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge
Sat, Jun 13, 1:00 PM
St. Louis · Tower Grove Park @ The Lily Pond Shelter
Just added
MAHJ AT THE PARK 6/13-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge
Sat, Jun 13, 1:00 PM
St. Louis · Tower Grove Park @ The Lily Pond Shelter
Almost full
ABV Barrel Shop: Col. Steve's Farewell Tour- Stephen Fante/Limestone Branch
Thu, Jul 30, 6:30 PM
Arnold · ABV Barrel Shop
Almost full
ABV Barrel Shop: Col. Steve's Farewell Tour- Stephen Fante/Limestone Branch
Thu, Jul 30, 6:30 PM
Arnold · ABV Barrel Shop

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:

Alton Art Expo 2

ABV Barrel Shop Boxing Bear #18 Barrel Release Celebration w/Demetrius Cain

Single Adult Fireside

Sazón Latin Food Festival 2026: St. Louis’s Taste of Latin American Food

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

mothers day

carnival festival

cannabis_event

events happening today near me

Which free events are coming up?

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

Benton Park Tree Care Blitz

Free Outdoor Wellness & Club Preview!

Going Out of Country Art Sale!

Rooftop Rhythm @ ART Bar

Alton Art Expo 2

Alton Art Expo 2

ABV Barrel Shop Boxing Bear #18 Barrel Release Celebration w/Demetrius Cain

ABV Barrel Shop Boxing Bear #18 Barrel Release Celebration w/Demetrius Cain

Benton Park Tree Care Blitz

Benton Park Tree Care Blitz

Single Adult Fireside

Single Adult Fireside

Sazón Latin Food Festival 2026: St. Louis’s Taste of Latin American Food

Sazón Latin Food Festival 2026: St. Louis’s Taste of Latin American Food

Realm Makers Expo

Realm Makers Expo

Going Out of Country Art Sale!

Going Out of Country Art Sale!

Forest Park Southeast Neighborhood Tree Care Blitz

Forest Park Southeast Neighborhood Tree Care Blitz

ABV Barrel Shop: Col. Steve's Farewell Tour - Gary Hinegardner of Wood Hat

ABV Barrel Shop: Col. Steve's Farewell Tour - Gary Hinegardner of Wood Hat

Stake Conference

Stake Conference

39th Annual SerbFest 2026

39th Annual SerbFest 2026

Tai Chi Session and Chair Movement

Tai Chi Session and Chair Movement

Free Outdoor Wellness & Club Preview!

Free Outdoor Wellness & Club Preview!

ABV Barrel Shop: Col. Steve's Farewell Tour- David Weglarz / StilL 630

ABV Barrel Shop: Col. Steve's Farewell Tour- David Weglarz / StilL 630

Rooftop Rhythm @ ART Bar

Rooftop Rhythm @ ART Bar

Shaw Neighborhood Tree Care Blitz

Shaw Neighborhood Tree Care Blitz

MAHJ AT THE PARK 6/13-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge

MAHJ AT THE PARK 6/13-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge

ABV Barrel Shop: Col. Steve's Farewell Tour- Stephen Fante/Limestone Branch

ABV Barrel Shop: Col. Steve's Farewell Tour- Stephen Fante/Limestone Branch

Things to do around O'Fallon

Trends in O'Fallon

1. Mothers day

2. Carnival festival

3. Cannabis_event

4. Events happening today near me

5. Mothers day brunch

6. Car shows

7. Scramble golf tournaments

8. Kids

9. Goat yoga

10. Bingo

11. Music bingo

12. Crafts fair

What are the best free events to attend?

Which events are currently trending in O'Fallon?

Which free events are coming up?