Pi Day 2026 in Chicago: The Best Pie Deals and Events Happening March 14
Chicago has plenty of food holidays, but Pi Day might be one of the sweetest.
Celebrated every year on March 14 (3.14), Pi Day honors the mathematical constant π while giving bakeries, restaurants, and dessert shops a fun excuse to serve pie deals and themed treats. In Chicago, the quirky holiday has grown into a citywide celebration featuring discounted pie slices, creative desserts, and family-friendly events.
From $3.14 slices of pie to interactive experiences, here are some of the best ways to celebrate Pi Day in Chicago in 2026.
A Week-Long Pi Day Celebration at the Museum of Ice Cream
The Museum of Ice Cream
One of the most unique Pi Day experiences in Chicago is happening at the Museum of Ice Cream, located at 220 E. Chicago Avenue.
The museum is hosting a week-long Pi Day celebration from March 11 through March 16, 2026 with themed activities, desserts, and interactive exhibits.
In partnership with Mathnasium Learning Centers, visitors can participate in hands-on math games and Pi-themed trivia. Guests can also explore popular attractions like the Sprinkle Pool and Banana Room, enjoy photo opportunities, and try a special dessert called “Ice Cream à la Pi.”
Where: Museum of Ice Cream, 220 E. Chicago Ave
When: March 11–16, 2026
$3.14 Pie Slices at First Slice Pie Café
First Slice Pie Cafe
One of the most popular Pi Day deals in Chicago comes from First Slice Pie Café, which operates several locations across the city.
On March 14, 2026, the café is offering:
$3.14 slices of pie
$6.28 mini pies
The shop is known for its wide selection of homemade pies, including fruit pies, cream pies, cheesecakes, and seasonal flavors. The annual promotion has become a favorite tradition for Chicago dessert lovers.
Where: First Slice Pie Café, multiple Chicago locations
When: March 14, 2026
Special Pi Day Pies at Bang Bang Pie & Biscuits
Bang Bang Pie & Biscuits
In Logan Square, Pi Day is one of the busiest days of the year for Bang Bang Pie & Biscuits.
The bakery is known for creative pie flavors and seasonal desserts. For Pi Day, they are offering several limited-time treats, including the shop’s playful “frankenpie.” This dessert combines multiple chef-selected pie flavors in a single pie, giving customers a chance to sample several varieties at once.
Because the shop expects high demand, customers are encouraged to place orders in advance.
Where: 2051 N. California Ave., Logan Square
When: March 14, 2026
Classic Pies at Chicago’s Oldest Family-Owned Bakery
Roeser’s Bakery
If you prefer a traditional bakery experience, Roeser’s Bakery in Humboldt Park is another great stop for Pi Day.
Located at 3216 W. North Avenue, Roeser’s has been serving Chicago since 1911, making it the city’s oldest family-owned bakery. For Pi Day on March 14, the bakery will offer its classic selection of pies, giving visitors the chance to celebrate the holiday with old-school favorites.
Where: Roeser’s Bakery, 3216 W. North Ave., Humboldt Park
When: March 14, 2026
Why Chicago Loves Pi Day
Although Pi Day began as a mathematical celebration of the number π (3.14159), the holiday has grown into a nationwide food tradition centered around pie.
Chicago’s strong bakery culture makes it a natural fit for the celebration. From neighborhood bakeries to dessert cafés, the city has long been known for its creative sweets and iconic desserts.
Pi Day simply gives Chicagoans another reason to explore those bakeries and enjoy a slice of pie.
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Events like Pi Day highlight one of the best parts of living in Chicago: every neighborhood offers its own unique restaurants, bakeries, and local traditions.
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