To redeem your Promo Code, visit jetblue.com/promo. Hurry and book now, this offer expires today. How to book: Promo Codes can only be redeemed online at jetblue.com/promo. Search flights between travel dates September 7 and October 29, 2011. Blackout dates: 10/7-10/10/11 Enter code FALL2011 in Promo Code field exactly as it appears (case sensitive). You must select flights in order for discount to appear. Once selected, you will see the discount amount displayed in the itinerary subtotal on the right side of the “Flights” page. Travel must be booked by April 21, 2011. Changes or cancellations will forfeit your discount. Valid for U.S point of origin only.