Lunch Time! Get 20% Off Your Entire To-Go Order At P.F. Chang’s Today! April 11, 2016 by Couponer Post contains sponsored/affiliate links and I get commissions for purchases made from links. Check out this awesome promo for P.F. Chang’s! Today only, enjoy 20% off your entire To-Go order when you use promo code 20TOGO! Head to the location nearest you and save on a delicious lunch!