Tijuana Flats: Buy One Entree Get One FREE (Today ONLY) This post may contain affiliate links. Please see the full disclosure policy here. Posted on April 21, 2011 Written by Mary 7 Comments Yay A Tijuana Flats Coupon!! Head over & “Like” Tijuana Flats on Facebook – then scroll down and you can print a coupon for a FREE Entree today with the purchase of another entree! thanks scott!