Hot! Buy One Get One FREE Entree @ Pei Wei January 18, 2018 Aubree Coupons 0 Grab a cheap meal at Pei Wei! If you love Pei Wei you will want to grab this Buy One Get One Free Entree Coupon! This is valid for dine-in only and valid through 1/19. You can print this out or show on your phone. Yum!