Here are all the deals we've managed to find so far. But let's not get too irrational here: Limit one pizza per customer, dine-in only.
Domino's Pizza: Buy one pizza at regular price, get the second free all week.
Villa Italian Kitchen: The quick-service chain, often located in shopping malls, is offering full-size Neapolitan Cheese Pizzas for $3.14 with coupon you can download by supplying your name and an email address.
The Illinois Science Council is hosting its sixth annual "Pi K" 3.14-mile-long fun run, complete with a pizza and pie party at its completion, hosted by partner Fleet Feet Sports running store locations in Oak Park, Old Town and Lincoln Square.
Mini one-topping pizzas are $3.14 at BJ's Brewhouse and Restaurant in the St. Johns Town Center.
Pie Five: All specialty pizzas are $3.14.
Judy Pie: The Grapevine pie shop will offer pie slices for $3.14 on Wednesday.
- At Pieology, you can get "a chance to win a sweet treat" if you correctly complete this sequence on their Twitter feed: 3.14 -. So anyone who wants to bring a pie into work or school for the holiday can get one at a discount there.
Grand Traverse Pie Company: Offering a free slice of (Michigan Apples, Blueberries, Cherries) pie with any purchase.
In addition to all of the locations listed above, be sure to poke around and call your local restaurants for more deals.
WHOLE FOODS: You can save $3.14 on Whole Foods' large bakery pies.
Emporium Pies: You say Pi Day should be about the math?