Via its Facebook page, Virgin America takes 20% offregularly-priced fares in exchange for filling out a short form. (You will need to give it a "Like" in order to access the form.) That's tied with our March mention as the biggest percent-off discount we've ever seen from Virgin America. (Coupon code is sent instantly via e-mail.) Book by November 9 at 12:59 am ET for travel through November 14. Blackout dates and additional fees may apply.