Link: www.jetblue.com/promo
Code:  ISSMCC
Discount: 5%
Valid Cities: Any City to Las Vegas
Travel Dates: Outbound: 01/23-01/26/2009
Return:  01/29-2/1/2009
Promo Valid: 08/26/2008-01/26/2009:

Booking flights:  To be able to use the discount, all travel must be booked online.  Flights are capacity controlled and any flight is entitled to the 5% discount as long as it fits the criteria outlined above. All flights in a reservation must include valid routes and travel dates in order to receive a discount. If only one direction of travel is valid, please book your valid flight as a one way trip using the promotional code and the other segment as a one way trip without the code.