National Pi Day, celebrated annually on March 14, has evolved into a foodie’s dream holiday, offering incredible deals on pizza and pie across the country. Originally a tribute to the mathematical constant π (3.14), Pi Day now sees restaurants and food chains rolling out discounts on circular treats like pizzas, pies, and pot pies. This year’s Pi Day deals include $3.14 pizzas, free pie slices, and exclusive discounts for rewards members. From Blaze Pizza’s buy-one-get-one deal to Burger King’s free Hershey Pie offer, the promotions are as diverse as they are tempting. Many chains, including Papa John’s and California Pizza Kitchen, have extended their offers to rewards members, encouraging customers to sign up for loyalty programs for added perks.

Blaze Pizza is a standout participant in Pi Day 2025, continuing its tradition of offering a second 11-inch pizza for $3.14 with the purchase of one at regular price. Additionally, customers who redeem this deal receive another BOGO $3.14 code valid through March. Papa John’s rewards members can snag a second large or extra-large pizza for $3.14 with the purchase of one at full price. Marco’s Pizza joins the celebration with a medium one-topping pizza for $3.14 when paired with a large or extra-large menu-priced pizza using the promo code “PIDAY.” California Pizza Kitchen offers its BBQ Chicken, Pepperoni, or Cheese pizzas for $3.14 with purchases of $25 or more for CPK Rewards members.

Sweet treats also take center stage during Pi Day festivities. Burger King offers Royal Perks app members a free Hershey Pie slice with any purchase of at least $3.14, while Milk Bar provides 25% off a second pie when customers order one online using the promo code “PIDAY.” Village Inn celebrates Pi Day with free slices of pie for dine-in guests, and Polly’s Pies rewards e-members with complimentary pie slices without requiring a purchase. For doughnut lovers, Voodoo Doughnut has a special deal offering two Banana Cream Pie doughnuts for $3.14 to Fan Club members.

Several other food chains have joined in with creative Pi Day promotions. 7-Eleven offers large pizzas for $3.14 to Rewards members at participating locations, while Cicis Pizza provides buy-one-get-one medium or large pizzas for $3.14 with its Original round crust option. Grimaldi’s features giant slices for $3.14 during lunch hours on Pi Day, and Taco Bell celebrates by pricing its Mexican pizza at $3.14 for app users. For those seeking frozen desserts, Marie Callender’s offers $3.14 off select multiserve pies at retailers like Walmart and Kroger.

Pi Day continues to grow in popularity as more restaurants embrace the holiday with creative discounts and freebies on circular foods. Whether you’re craving pizza, pie, or even doughnuts shaped like pies, there’s something for everyone to enjoy while celebrating this unique combination of math and food culture. With deals available nationwide and extended promotions through apps and loyalty programs, Pi Day 2025 promises delicious savings and memorable treats for all ages.