Expired 50% off Papa Murphy’s Pizza 6/23 only By Kristin Willis - Jun 23, 2016 0 304 Papa Murphy’s has a promo going on! My personal favorite are their salads and angus steak and garlic pizza. Get 50% off Papa Murphy’s Pizza 6/23 only. Simply use promo code: SUMMER50 at checkout. This offer is online ONLY, so don’t miss out.