Not sure what the details of your trip are, but if you're going before the end of the year and staying for at least 6 nights, you can use -

ENTERTAIN200

Fine Print-

"Book a qualifying flight + hotel package in Mexico, the Caribbean, or Hawaii between July 15, 2008 and December 31, 2009 for 6 or more nights for travel between July 15, 2008 and December 31, 2009, via Orbitz and instantly receive $200 off your booking through the use of the promotion code. To display qualifying packages, click "I have a promotion code," and enter the promotion code, then look for packages marked with the icon "COUPON." Limit one discount per hotel room and one promotion code per booking. Discounts are not redeemable for cash for any reason. Any attempt at fraud will be prosecuted to the fullest extent of the law. Void where prohibited, taxed or restricted. Orbitz reserves the right to change or limit the promotion in its sole discretion. Offer valid through December 31, 2009."