find Halloween events for every vibe.

Events in O'Fallon, IL

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

Guilty as Sin 2025 $3000 Halloween Contest and party
Friday at 10:00 PM
St Louis · Marquee Restaurant
Guilty as Sin 2025 $3000 Halloween Contest and party
Friday at 10:00 PM
St Louis · Marquee Restaurant
C3 Collinsville Community Awards
Wed, Dec 3, 5:00 PM
Collinsville · Gateway Convention Center
C3 Collinsville Community Awards
Wed, Dec 3, 5:00 PM
Collinsville · Gateway Convention Center
FIRST FRIDAY '25 REUNITED @ NEWLY OPENED THE KEY (FORMERLY SEVEN)
Fri, Nov 7, 8:30 PM
St. Louis · 3221 Olive St
FIRST FRIDAY '25 REUNITED @ NEWLY OPENED THE KEY (FORMERLY SEVEN)
Fri, Nov 7, 8:30 PM
St. Louis · 3221 Olive St
Yours Awards “Hall of Fame Edition”
Tue, Nov 11, 3:00 PM
Collinsville · Old Herald Brewery & Distillery
Yours Awards “Hall of Fame Edition”
Tue, Nov 11, 3:00 PM
Collinsville · Old Herald Brewery & Distillery
Books & Bonnets Book Club BONFIRE
Sat, Nov 1, 6:00 PM
Millstadt · Eckert’s Millstadt Fun Farm
Books & Bonnets Book Club BONFIRE
Sat, Nov 1, 6:00 PM
Millstadt · Eckert’s Millstadt Fun Farm
Saluting Young Fathers
Sat, Nov 15, 2:00 PM
Fairview Heights · Stonewolf Golf Club & Event Center
Saluting Young Fathers
Sat, Nov 15, 2:00 PM
Fairview Heights · Stonewolf Golf Club & Event Center
Nearly full
Reindeer Games Paint & Sip
Wed, Nov 19, 6:00 PM
Troy · Wine for the Win
Nearly full
Reindeer Games Paint & Sip
Wed, Nov 19, 6:00 PM
Troy · Wine for the Win
Howlin Friday: Jim Stevens A Tribute to Oliver Sain
Fri, Nov 7, 7:00 PM
St. Louis · National Blues Museum
Howlin Friday: Jim Stevens A Tribute to Oliver Sain
Fri, Nov 7, 7:00 PM
St. Louis · National Blues Museum
Sibling Class
Sat, Nov 15, 10:00 AM
Maryville · Anderson Hospital
Sibling Class
Sat, Nov 15, 10:00 AM
Maryville · Anderson Hospital
2025 St. Louis Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
St. Louis · Great Grizzly Bear
2025 St. Louis Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
St. Louis · Great Grizzly Bear
Through The Fire "A Chaka Khan Tribute Show"
Fri, Nov 21, 7:00 PM
St. Louis · Live! by Loews - St. Louis, Missouri
Through The Fire "A Chaka Khan Tribute Show"
Fri, Nov 21, 7:00 PM
St. Louis · Live! by Loews - St. Louis, Missouri
Cannapreneur: MO and IL Workshop
Sat, Nov 29, 1:00 PM
East St. Louis · The 89th Collective
Cannapreneur: MO and IL Workshop
Sat, Nov 29, 1:00 PM
East St. Louis · The 89th Collective
Chris Corsano / Joe Baiza / Mike Watt Trio at Off Broadway
Fri, Nov 14, 8:00 PM
St. Louis · Off Broadway
Chris Corsano / Joe Baiza / Mike Watt Trio at Off Broadway
Fri, Nov 14, 8:00 PM
St. Louis · Off Broadway
Selling quickly
Therapist Vision Lab
Fri, Nov 14, 8:30 AM
St. Louis · 1310 Papin St
Selling quickly
Therapist Vision Lab
Fri, Nov 14, 8:30 AM
St. Louis · 1310 Papin St
Candy Costumes and Cinema
Friday at 5:30 PM
St. Louis · Mx Theater
Candy Costumes and Cinema
Friday at 5:30 PM
St. Louis · Mx Theater
Sales end soon
Nourished by Breath: A Mom's Journey
Monday at 9:00 AM
O'Fallon · Sweet Katie Bee's Bakery Café
Sales end soon
Nourished by Breath: A Mom's Journey
Monday at 9:00 AM
O'Fallon · Sweet Katie Bee's Bakery Café
Home Alone Trivia
Fri, Dec 5, 6:30 PM
Belleville · The Weingarten
Home Alone Trivia
Fri, Dec 5, 6:30 PM
Belleville · The Weingarten
Haunted Hearts Vol. 3: Gods vs. Goddesses
Friday at 7:00 PM
St. Louis · The KRe8 Place - St. Louis
Haunted Hearts Vol. 3: Gods vs. Goddesses
Friday at 7:00 PM
St. Louis · The KRe8 Place - St. Louis
Always A Cougar Graduation Celebration - December 11, 2025
Thu, Dec 11, 5:00 PM
Edwardsville · Southern Illinois University Edwardsville
Always A Cougar Graduation Celebration - December 11, 2025
Thu, Dec 11, 5:00 PM
Edwardsville · Southern Illinois University Edwardsville
WELCOME TO THE BLOC PARTY! Bloc Head Flipped Fashion Show & Market Season 2
Sat, Nov 15, 2:00 PM
St. Louis · Casa Loma Ballroom
WELCOME TO THE BLOC PARTY! Bloc Head Flipped Fashion Show & Market Season 2
Sat, Nov 15, 2:00 PM
St. Louis · Casa Loma Ballroom

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:

C3 Collinsville Community Awards

FIRST FRIDAY '25 REUNITED @ NEWLY OPENED THE KEY (FORMERLY SEVEN)

Yours Awards “Hall of Fame Edition”

Books & Bonnets Book Club BONFIRE

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

halloween events

events happening today near me

singles

job fairs

Which events are coming up?

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

Nourished by Breath: A Mom's Journey

Candy Costumes and Cinema

Haunted Hearts Vol. 3: Gods vs. Goddesses

Guilty as Sin 2025 $3000 Halloween Contest and party

Guilty as Sin 2025 $3000 Halloween Contest and party

Guilty as Sin 2025 $3000 Halloween Contest and party

C3 Collinsville Community Awards

C3 Collinsville Community Awards

FIRST FRIDAY '25 REUNITED @ NEWLY OPENED THE KEY (FORMERLY SEVEN)

FIRST FRIDAY '25 REUNITED @ NEWLY OPENED THE KEY (FORMERLY SEVEN)

Yours Awards “Hall of Fame Edition”

Yours Awards “Hall of Fame Edition”

Books & Bonnets Book Club BONFIRE

Books & Bonnets Book Club BONFIRE

Saluting Young Fathers

Saluting Young Fathers

Reindeer Games Paint & Sip

Reindeer Games Paint & Sip

Howlin Friday: Jim Stevens A Tribute to Oliver Sain

Howlin Friday: Jim Stevens A Tribute to Oliver Sain

Sibling Class

Sibling Class

2025 St. Louis Halloween Bar Crawl

2025 St. Louis Halloween Bar Crawl

Through The Fire "A Chaka Khan Tribute Show"

Through The Fire "A Chaka Khan Tribute Show"

Cannapreneur: MO and IL Workshop

Cannapreneur: MO and IL Workshop

Chris Corsano / Joe Baiza / Mike Watt Trio at Off Broadway

Chris Corsano / Joe Baiza / Mike Watt Trio at Off Broadway

Therapist Vision Lab

Therapist Vision Lab

Candy Costumes and Cinema

Candy Costumes and Cinema

Nourished by Breath: A Mom's Journey

Nourished by Breath: A Mom's Journey

Home Alone Trivia

Home Alone Trivia

Haunted Hearts Vol. 3: Gods vs. Goddesses

Haunted Hearts Vol. 3: Gods vs. Goddesses

Always A Cougar Graduation Celebration - December 11, 2025

Always A Cougar Graduation Celebration - December 11, 2025

WELCOME TO THE BLOC PARTY! Bloc Head Flipped Fashion Show & Market Season 2

WELCOME TO THE BLOC PARTY! Bloc Head Flipped Fashion Show & Market Season 2

Things to do around O'Fallon

Trends in O'Fallon

1. Halloween events

2. Events happening today near me

3. Singles

4. Job fairs

5. Scramble golf tournaments

6. Crafts fair

7. Car shows

8. Breakfast with santa

9. Adult halloween party

10. Speed dating

11. Christian singles

12. Trick or treat