20 Deals You Can Only Get on Pi Day

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Pi day celebrates the mathematical constant—but it's also an excellent day to score deals on tasty treats.

Pi Day is almost here! What’s that you ask? Why, it’s the global celebration of the mathematical constant, pi. Because the first three digits of pi are 3, 1, and 4, it’s observed on March 14 (aka 3.14). Some people like to celebrate by brushing up on pi facts, while others like to look for pi day deals. Some businesses—especially those that are somehow connected to the “pie” theme, such as pizzerias and bakeries—often run special promotions to mark the occasion.

“As food holidays become increasingly popular every year, more retailers, brands, and restaurants are starting to participate,” says Sara Skirboll, shopping and trends expert at The Real Deal blog. And Pi Day is no exception.

Some Pi Day deals have been announced already, and as always, you’ll see hilarious riffs on Pi Day jokes in companies’ marketing campaigns. “While [some] brands have kept quiet so far about their specific offers, based on past year deals we can expect to see great offers from restaurants like Domino’s, Papa John’s, California Pizza Kitchen, and more,” says Skirboll.

Search for Pi Day hashtags and mentions on social media to stay in the loop on the latest deals. We’ve rounded up the promotions that have already been announced and offer some of the most fun ways to celebrate Pi Day. All deals are valid on March 14 only, unless otherwise indicated (even though pi was almost changed to 3.2).

Blaze Pizza

Blaze Pizza is offering $3.14 whole pizzas—and all you have to do is download an app. Download the Blaze Pizza app and sign up for rewards before March 14 and get a pizza for just $3.14. Hurry, though, because the deal expires on April 1.

Bojangles

Bojangles is offering three of its sweet potato pies for $3.14. This dessert is described as “a crisp, oven-baked pastry, with a decadent sweet potato puree filling” baked then “brushed with a delectable cinnamon butter before serving.”

Boston Market

Enjoy a free Rotisserie Chicken Pot Pie with the purchase of another pot pie and drink through the Boston Market app.

Cali’flour Foods

Take 25 percent off all pizzas from Cali’flour Foods on March 14 and 15. No code is necessary.

Cheddar’s Scratch Kitchen

Cheddar’s Scratch Kitchen is offering a buy one, get one free deal on their Homemade Chicken Pot Pie. On March 14, guests who order a Homemade Chicken Pot Pie—dining in or to go—will get a second pie free of charge to take and bake at home, no coupon necessary.

Chuck E. Cheese

This Pi Day, enjoy a tasty deal on pizza pie from Chuck E. Cheese with its exclusive Spring-tastic Family Fun Pack. This limited-time promotion includes two large pizzas, unicorn cotton candy, a goody bag and spring activity sheet, and 250 e-tickets for your next Chuck E. Cheese visit, all for just $34.99. Available through April 24 for delivery or carryout only.

Donato’s

Get $3.14 off a large pizza ordered at Donatos.com using promo code PI on March 14. Create your own custom pizza or pick a fan favorite from one of the nearly 170 American Donato’s locations.

Goldbelly

Now through March 14, hungry Goldbelly shoppers can take up to 30 percent off select pie orders. Delicious, from-scratch pies can be sent directly to your door (or a friend’s) at a discount. That’s something to celebrate, isn’t it?

Grand Traverse Pie Company

Get a free slice of Michigan ABC Crumb Pie with any purchase at the Grand Traverse Pie Company at any of their 15 locations.

Magnolia Bakery

Magnolia Bakery’s first-ever Pi(e) Day offering is a seldom-seen discount on their now nationally-available Chocolate Hazelnut Hand Pies. They’ll ship right to your door, and all orders placed between March 14 and 20 will receive a celebratory $3.14 discount.

MOD Pizza

MOD Pizza and DoorDash are teaming up to offer a free “infinite” topping pizza when you spend $3.14. This deal is available on March 14 through the DoorDash app and website while supplies last, though some fees may apply.

Papa John’s

Buy a large pizza at regular menu price at Papa John’s and get a large one-topping pizza for $3.14.

Papa Murphy’s

Get 3.14 percent off orders over $20 on March 14 with code PIDAY at Papa Murphy’s, online only.

Patxi’s Pizza

Patxi’s Pizza is offering something special for Pi Day. On March 14th, you can get a 7-inch personal cheese pizza for $3.14 when you buy another pizza at retail price. Use the code PIDAY314.

Pieology

Pieology has a Pi Day deal for its Pie Life Rewards members: Take $3.14 off a purchase of $10 or more in-store on March 14th. If you’re not a member yet, you can sign up now through March 14th to get your offer in the app.

Pilot Flying J

Access an offer for $5 off whole pizzas now until March 15 through the Pilot Flying J app.

Sbarro

Get a free New York XL slice with the purchase of a beverage when you join Sbarro’s Slice Society rewards program.

Slice App

Slice, a delivery app dedicated to pizza, is celebrating Pi Day with $5 off for first-time Slice users. The promo code for a discounted cheesy pizza pie is PIDAY2022, and it’s valid on orders of $15 or greater. The best part? The app works with over 17,000 local pizza shops around the country.

Vous Vitamin

To balance out all the pie on Pi Day, Vous Vitamin is offering a massive discount of 31.4 percent off all orders on March 14 with code PIDAY. It may be the best time of year to stock up on supplements!

7-Eleven

Participating 7-Eleven stores are offering large pizzas for $3.14 each on Pi Day. The deal is available in stores through the 7Rewards loyalty program in the 7‑Eleven app, or can be ordered on the 7NOW delivery app for home delivery or order-ahead pickup. The deal is valid on pepperoni pizza, extreme meat pizza, and tripe cheese pizza, with a two-pizza limit per customer.

To sweeten the deal, 7-Eleven will donate a meal to Feeding America for every large pizza purchased on Pi Day.

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Bryce Gruber
As Home Editor, Bryce Gruber is an expert in gift ideas, shopping, and e-commerce at Reader's Digest. You've likely seen her work across a variety of women's lifestyle and parenting outlets and on TV shows. She lives and works in New York's Hudson Valley with her five small children.