Get a free PF Changs Lunch Bowl With Purchase Of Entrée Coupon. NEW PF Chnags Coupons for a free meal! Try a Korean Bibimbap, Tempura Bowl, Chiang Mai Noodle Bowl, or Tokyo Udon Noodle Bowl for free with any entrée purchase with this coupon. Valid Monday-Thursday until 4pm Friday August 30th. Request Sample Now!