Pi Day, observed annually on March 14, corresponds to the mathematical constant pi (π), approximately 3.14. While the holiday has mathematical origins, it has evolved into a significant promotional event within the food and beverage industry. During this period, numerous national chains and regional establishments offer limited-time discounts, price reductions, and value-added incentives on items such as pizza, dessert pies, and other circular food products. These promotions are typically valid only on March 14, though some brands extend offers through the surrounding weekend or entire month.
The following guide details verified Pi Day offers for 2025 based on current promotional data. It outlines specific deal structures, eligibility requirements, participating locations, and redemption methods to assist consumers in navigating these temporary incentives.
Pizza and Savory Food Promotions
A significant portion of Pi Day marketing focuses on pizza, utilizing the numerical date to promote "pizza pies." Offers in this category range from fixed-price menu items to complex buy-one-get-one (BOGO) structures.
Blaze Pizza
Blaze Pizza is offering a tiered promotion valid on March 14. The primary offer allows customers to purchase an 11-inch pizza and receive a second 11-inch pizza of equal or lesser value for $3.14. This deal is valid in-restaurant at participating locations. Additionally, participating customers will receive a code via the Blaze Pizza app that unlocks a subsequent buy-one-get-one for $3.14 offer. This secondary code is redeemable anytime through the end of March.
In some regions, Blaze Pizza offers a simplified version of the promotion where customers can purchase an 11-inch pizza for a flat $3.14 price. This specific pricing is available all day at participating locations and allows customers to build custom pizzas.
7-Eleven, Speedway, and Stripes
Participating 7-Eleven, Speedway, and Stripes locations are offering whole pizzas and quesadillas for $3.14 on Pi Day. This offer typically requires membership in the 7Rewards program. Customers can access this deal by signing up for the loyalty program, which is a standard requirement for many of 7-Eleven’s promotional price points.
BJ’s Restaurant & Brewhouse
BJ’s Restaurant & Brewhouse offers two distinct promotions for Pi Day: * Dine-in Offer: Customers dining in on March 14 can purchase a regularly priced Pizookie and add a second Pizookie for $3.14. * Takeout Offer: Customers can get a mini deep-dish, one-topping pizza for $3.14. This specific deal is restricted to dine-in customers and is not available for delivery or takeout orders. * Restrictions: The $3.14 Pizookie offer cannot be combined with the Pizookie Trio, Pizookie Party Platter, or the $13 Pizookie Meal Deal.
&Pizza
&Pizza is selling its knots for $3.14 all day on March 14 at all participating locations. This represents a lower-cost entry point into the brand's menu for the holiday.
Bar Louie
Bar Louie is offering flatbread pizzas for a price range of $8 to $9. This discount is available between 3:00 p.m. and 6:00 p.m. on March 14, creating a specific time window for consumers to utilize the offer.
Pizza Hut
Pizza Hut is participating in Pi Day with a "Pizza Charcuterie Board" priced at $24.99. This bundle includes two medium pizzas, eight boneless wings, and breadsticks with dipping sauces. Additionally, a DoorDash partnership offers $6 off eligible orders of $30 or more from Pizza Hut locations on March 14, 2025. This DoorDash offer is valid only for delivery, not pickup, and is limited to one per person.
Papa John’s
Papa John’s offers a BOGO deal for Papa Rewards members. Members may buy any large or XL pizza and receive a second one for $3.14. Furthermore, members gain access to exclusive deals throughout the week of March 14 through March 20. In other market data, Papa John’s is promoting a Garlic Epic Stuffed Crust Pizza starting at $13.99.
Papa Murphy’s
Papa Murphy’s offers a 31.4% discount on regular-priced menu items. To redeem, customers must use the promo code PIDAY25 at checkout, either online or within the mobile app.
Hungry Howie’s
Through a partnership with DoorDash, Hungry Howie’s customers can receive a free Howie Bread with a minimum purchase of $30 from participating locations. This offer is valid on DoorDash from March 14 through March 15 and is available for delivery orders only.
Sbarro
Sbarro offers a discount via DoorDash, providing $7 off eligible orders of $25 or more from March 13 through March 15. For DashPass members, the savings increase to $8 off eligible orders of $25 or more during the same period. These offers are valid for delivery only.
Taco Bell
Taco Bell is offering its Mexican Pizza for $3.14. This is described as a one-day-only celebration offer available at participating locations.
Dessert and Sweet Treat Promotions
While pizza dominates Pi Day, dessert pies and related sweet treats are also heavily promoted by bakeries, ice cream shops, and restaurant chains.
Burger King
Burger King offers a free Hershey’s Sundae Pie to Royal Perks members. Eligibility requires spending $3.14 or more on Pi Day at participating locations. This offer is tied directly to the loyalty program membership.
Voodoo Doughnut
Voodoo Doughnut offers a specialized deal for its Fan Club members. Members can purchase two Banana Cream Pie doughnuts for $3.14. This indicates a requirement for prior registration or membership in the brand's loyalty ecosystem.
BD’s Mongolian Grill
BD’s Mongolian Grill offers apple pie rolls for $3.14 in-store on Pi Day. This is a specific, lower-cost dessert item available for immediate consumption at physical locations.
Famous Dave’s
Famous Dave’s offers a free slice of Bakers Square Pie. This incentive requires a $10 minimum purchase and is valid for dining in, ordering online, or takeout orders placed on March 14.
Little Pie Company
The Little Pie Company (specifically noted in NYC market data) offers a free pi cookie with the purchase of any pie. This is a value-added incentive rather than a direct price reduction.
Smoothie King
Smoothie King offers a 20-ounce Apple Pie Smoothie for $3.14. This offer is restricted to Healthy Rewards members and requires the use of the Smoothie King app to redeem the price.
Retail and Grocery Offers
Promotions extend beyond immediate consumption to grocery retail and frozen food sections, allowing consumers to purchase items at a discount for later use.
California Pizza Kitchen (CPK)
CPK is offering a $3.14 cash-back deal on CPK Frozen Pizzas. This offer is valid at major retailers including Walmart, Target, and Kroger. Consumers must purchase the frozen product and submit for the cash-back rebate.
Digiorno
Digiorno is relaunching its "Pizza Rescue" program on Pi Day. Additionally, Digiorno, in collaboration with Hidden Valley Ranch, is launching a limited-edition merchandise collection. A giveaway for this merchandise begins at 12:00 p.m. ET on March 14 via a specific giveaway website. Supplies are limited.
Goldbelly
Goldbelly, an online food marketplace, is offering up to 20% off on pies. This discount is valid from March 13 through March 17, providing a slightly longer redemption window than the standard Pi Day date.
Digital and Delivery Incentives
Several offers are tied strictly to digital platforms, requiring app downloads, account creation, or specific promo codes.
Postmates
Postmates users can utilize digits of Pi as promo codes to unlock various deals. Reported incentives include $30 off, free delivery, and 30% off discounts. There are reportedly 50 codes available, though specific codes are typically released via the platform's social media or app notifications.
DoorDash
DoorDash serves as a delivery platform for multiple Pi Day deals, including those from Pizza Hut, Sbarro, and Hungry Howie’s. As noted in the specific terms for Pizza Hut and Sbarro, these offers are generally restricted to delivery orders and are not valid for pickup. They are also typically limited to one per person or order.
Oath Pizza
Oath Pizza offers a BOGO deal all day for Loyalty Program members. They also offer $3.14 breadsticks all day with the purchase of a large pie using the code 3.14Breadsticks. Furthermore, from 3:00 p.m. to 4:00 p.m., they offer 50% off all large pies using the code Pie. Signing up for Oath Pizza Rewards also unlocks a $10 off $25 coupon.
Eligibility and Redemption Rules
Consumers looking to take advantage of Pi Day deals must pay close attention to the specific terms and conditions attached to each offer. Based on the provided data, several recurring eligibility themes emerge:
- Loyalty Program Membership: Many deals require membership in a specific rewards program. Examples include 7-Eleven (7Rewards), Burger King (Royal Perks), Smoothie King (Healthy Rewards), Papa John’s (Papa Rewards), and Oath Pizza (Loyalty Program).
- Digital Redemption: A significant number of offers require the use of a mobile app or online ordering system. Blaze Pizza, Smoothie King, and Papa Murphy’s specifically mandate app or online usage for their deals.
- Time-Specific Windows: Some offers are restricted to specific hours. Bar Louie’s deal is valid only from 3:00 p.m. to 6:00 p.m., while Oath Pizza’s 50% off offer is valid only from 3:00 p.m. to 4:00 p.m.
- Location Variability: Most national chain offers are subject to participation by individual franchise owners. Consumers are advised to verify deal availability at their local establishment before attempting to redeem.
- Dine-in vs. Delivery: Distinctions are often made between dining in and ordering for delivery. BJ’s mini pizza deal is dine-in only, while the Pizza Hut deal on DoorDash is delivery only.
- Promo Codes: Several offers require the entry of specific codes during checkout. Examples include PIDAY (Famous Dave’s, DiGiorno), 3.14Breadsticks (Oath Pizza), Pie (Oath Pizza), and PIDAY25 (Papa Murphy’s).
Conclusion
Pi Day 2025 continues the tradition of offering substantial food-related discounts, primarily centered on pizza and dessert pies. The most valuable offers typically require some level of consumer effort, such as joining a loyalty program, downloading a mobile app, or adhering to specific time windows. While the mathematical constant pi is the nominal reason for the holiday, the commercial reality is a competitive landscape where brands offer temporary price reductions to drive traffic and acquire new loyalty program members. Consumers should verify the participation of specific local outlets and ensure they meet all eligibility requirements, particularly digital registration, prior to attempting to redeem these offers.