The offer details for this JetBlue promotion:
Promo code: CELEBRATE
20% off base airfare on all flights (base airfare excludes government taxes/fees)
Book by 11/30/16
Travel 12/7/16 – 2/15/17 (Blackout dates: 12/16/16 – 1/8/17; Excludes travel on Sundays)
Flight must originate in a U.S. JetBlue city (including Puerto Rico)
Not valid on previous bookings.