Papa John’s Coupon: 50% off Any Large Pizza! June 2, 2014 by Jennie The links in the post below may be affiliate links. Read the full disclosure.Print Email Yay! Papa John’s is out with a new coupon code. Through June 5th you’ll be able to save 50% off any large pizza when you apply JUNE50 to your online order. Sometimes Papa John’s coupons can be a bit regional, so you’ll have to give this one a whirl to see if it works for you.