Now through Sunday (10 October) you can save 10% off flights (base fare only) to Maui from Seattle, San Jose, Oakland, Sacramento, or San Diego.
Simply book through Alaska Airlines and use discount code MAUIWOWIE10.
Travel is restricted to Monday through Thursday between December 1, 2010, and February 16, 2011. Two dates are blacked out: December 16 and January 4.
Alternatively, you can save 15% if you book your entire vacation package through Alaska. Use MAUISAVE15 instead. Packages must also be booked by Sunday, but can booked for travel through June 1, 2011.
More details here.
(Tip of the hat to Pat)