Events and Things to do in O'Fallon, MO

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6th Annual St. Charles Jewish Festival
Sun, Aug 9, 11:00 AM
Saint Charles · Lewis and Clark Boat House
6th Annual St. Charles Jewish Festival
Sun, Aug 9, 11:00 AM
Saint Charles · Lewis and Clark Boat House
Uncover the Secrets of Kangen Water
Saturday at 10:00 AM
Chesterfield · Our Free Water Store
Uncover the Secrets of Kangen Water
Saturday at 10:00 AM
Chesterfield · Our Free Water Store
St. Louis Business Networking Event
Thu, Jun 11, 7:30 AM
St. Louis · LUSHIN St. Louis, Powered by Sandler
St. Louis Business Networking Event
Thu, Jun 11, 7:30 AM
St. Louis · LUSHIN St. Louis, Powered by Sandler
One World Fest 2026 | FREE Multicultural Festival | St Peters, MO
Sat, Aug 22, 12:00 AM
St. Peters · Mid Rivers Mall
One World Fest 2026 | FREE Multicultural Festival | St Peters, MO
Sat, Aug 22, 12:00 AM
St. Peters · Mid Rivers Mall
Stepping Up with St. Luke's: Nutrition
Thu, Jun 25, 9:00 AM
Chesterfield · St. Luke's Walking Trail
Stepping Up with St. Luke's: Nutrition
Thu, Jun 25, 9:00 AM
Chesterfield · St. Luke's Walking Trail
Sales end soon
Number 9 Networking - St Peters, MO - 11:45am - 1pm Luncheon
Thursday at 12:00 PM + 18 more
St. Peters · Shamrocks Pub n Grill
Sales end soon
Number 9 Networking - St Peters, MO - 11:45am - 1pm Luncheon
Thursday at 12:00 PM + 18 more
St. Peters · Shamrocks Pub n Grill
Just added
Kindred Kids: Ollie’s Fun Forest Playground
Thu, Jul 16, 6:00 PM
St. Peters · Ollie's Fun Forest - City Centre Playground
Just added
Kindred Kids: Ollie’s Fun Forest Playground
Thu, Jul 16, 6:00 PM
St. Peters · Ollie's Fun Forest - City Centre Playground
Sales end soon
Number 9 Networking - Chesterfield, MO - 9am
Tomorrow at 9:00 AM + 10 more
Chesterfield · Independent Electrical Contractors of Greater St. Louis
Sales end soon
Number 9 Networking - Chesterfield, MO - 9am
Tomorrow at 9:00 AM + 10 more
Chesterfield · Independent Electrical Contractors of Greater St. Louis
Sales end soon
African Diaspora Wealth Summit
Saturday at 10:00 AM
Saint Ann · 10449 St Charles Rock Rd
Sales end soon
African Diaspora Wealth Summit
Saturday at 10:00 AM
Saint Ann · 10449 St Charles Rock Rd
7/15 St. Luke's Coffee & Conversations: Pain Management
Wed, Jul 15, 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
7/15 St. Luke's Coffee & Conversations: Pain Management
Wed, Jul 15, 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield
Wed, Jul 15, 1:00 PM
Chesterfield · Topgolf St. Louis - Chesterfield
Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield
Wed, Jul 15, 1:00 PM
Chesterfield · Topgolf St. Louis - Chesterfield
Pickleball Singles Social – Ages 25-40 | Saturday, June 13
Sat, Jun 13, 3:00 PM
Bridgeton · Arch Pickleball & Badminton
Pickleball Singles Social – Ages 25-40 | Saturday, June 13
Sat, Jun 13, 3:00 PM
Bridgeton · Arch Pickleball & Badminton
Goodfellas Golf Tournament
Tue, Jun 9, 8:00 AM
O'Fallon · Falls Golf Club
Goodfellas Golf Tournament
Tue, Jun 9, 8:00 AM
O'Fallon · Falls Golf Club
#TableTalk The Referral Blueprint: Building Your Business Toolbox
Thu, Jul 9, 11:00 AM
Maryland Heights · Dave & Buster's St. Louis
#TableTalk The Referral Blueprint: Building Your Business Toolbox
Thu, Jul 9, 11:00 AM
Maryland Heights · Dave & Buster's St. Louis
Trek St. Peters | Tubeless Tires 101
Thu, Jun 4, 6:00 PM
St. Peters · Trek Bicycle St. Peters
Trek St. Peters | Tubeless Tires 101
Thu, Jun 4, 6:00 PM
St. Peters · Trek Bicycle St. Peters
Medicare Counseling at St. Luke's
Tue, Jul 14, 10:00 AM
Chesterfield · St. Luke's Resource Center
Medicare Counseling at St. Luke's
Tue, Jul 14, 10:00 AM
Chesterfield · St. Luke's Resource Center
Missouri Homebuyers Seminar
Wed, Jun 3, 12:00 PM
O'Fallon · 173 Mora Blvd
Missouri Homebuyers Seminar
Wed, Jun 3, 12:00 PM
O'Fallon · 173 Mora Blvd
Faith in Hope Ministries Prayerline Ten Year Anniversary Gathering
Fri, Jun 26, 7:00 PM
Bridgeton · 11339 St Charles Rock Rd
Faith in Hope Ministries Prayerline Ten Year Anniversary Gathering
Fri, Jun 26, 7:00 PM
Bridgeton · 11339 St Charles Rock Rd
Just added
Cali Crew Calisthenics Workshop
Sunday at 3:00 PM
Maryland Heights · Quiet Hollow Park
Just added
Cali Crew Calisthenics Workshop
Sunday at 3:00 PM
Maryland Heights · Quiet Hollow Park
Sales end soon
Youth Activities
Tomorrow at 7:00 PM
Lake St Louis · The Church of Jesus Christ of Latter-day Saints
Sales end soon
Youth Activities
Tomorrow at 7:00 PM
Lake St Louis · The Church of Jesus Christ of Latter-day Saints

Trends in O'Fallon

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

6th Annual St. Charles Jewish Festival

St. Louis Business Networking Event

One World Fest 2026 | FREE Multicultural Festival | St Peters, MO

Stepping Up with St. Luke's: Nutrition

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

mothers day

carnival festival

events happening today near me

car shows

Which events are coming up?

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

Number 9 Networking - Chesterfield, MO - 9am

Youth Activities

Number 9 Networking - St Peters, MO - 11:45am - 1pm Luncheon

Uncover the Secrets of Kangen Water

6th Annual St. Charles Jewish Festival

6th Annual St. Charles Jewish Festival

Uncover the Secrets of Kangen Water

Uncover the Secrets of Kangen Water

St. Louis Business Networking Event

St. Louis Business Networking Event

One World Fest 2026 | FREE Multicultural Festival | St Peters, MO

One World Fest 2026 | FREE Multicultural Festival | St Peters, MO

Stepping Up with St. Luke's: Nutrition

Stepping Up with St. Luke's: Nutrition

Number 9 Networking - St Peters, MO - 11:45am - 1pm Luncheon

Number 9 Networking - St Peters, MO - 11:45am - 1pm Luncheon

Kindred Kids: Ollie’s Fun Forest Playground

Kindred Kids: Ollie’s Fun Forest Playground

Number 9 Networking - Chesterfield, MO - 9am

Number 9 Networking - Chesterfield, MO - 9am

African Diaspora Wealth Summit

African Diaspora Wealth Summit

7/15 St. Luke's Coffee & Conversations: Pain Management

7/15 St. Luke's Coffee & Conversations: Pain Management

Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield

Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield

Pickleball Singles Social – Ages 25-40 | Saturday, June 13

Pickleball Singles Social – Ages 25-40 | Saturday, June 13

Goodfellas Golf Tournament

Goodfellas Golf Tournament

#TableTalk The Referral Blueprint: Building Your Business Toolbox

#TableTalk The Referral Blueprint: Building Your Business Toolbox

Trek St. Peters | Tubeless Tires 101

Trek St. Peters | Tubeless Tires 101

Medicare Counseling at St. Luke's

Medicare Counseling at St. Luke's

Missouri Homebuyers Seminar

Missouri Homebuyers Seminar

Faith in Hope Ministries Prayerline Ten Year Anniversary Gathering

Faith in Hope Ministries Prayerline Ten Year Anniversary Gathering

Cali Crew Calisthenics Workshop

Cali Crew Calisthenics Workshop

Youth Activities

Youth Activities

Things to do around O'Fallon

Trends in O'Fallon

1. Mothers day

2. Carnival festival

3. Events happening today near me

4. Car shows

5. Mothers day brunch

6. Scramble golf tournaments

7. Cannabis_event

8. Kids

9. Crafts fair

10. Job fairs

11. Puff and paint

12. Music bingo

What are the best events to attend?

Which events are currently trending in O'Fallon?

Which events are coming up?