American has a great promotion going on right now to Hawaii with 20% off all flights from the continental US to Honolulu, Kona, Kauai and Maui. This deal is available for travel from April 16, 2008 through May 23, 2008. A Saturday night stay is required.
On many of the routes we checked, American is beating the current lowest fare in the market after the 20% promotional discount is applied, so this is indeed an excellent deal.
The only real catch is that the minimum base fare of the ticket must be $400 or more. However, with the exception of the west coast, fares to Hawaii are generally over $400, so most of the country would be able to take advantage of this deal.
Reservations must be made via the American Airlines website using the promotion code DFALOHAGO2 by January 15, 2008.