American has a great promotion going on right now to Mexico with 20% off all flights from the US to Acapulco, Cancun, Cozumel, Puerto Vallarta, Los Cabos and Ixtapa. This deal is available for travel from April 1, 2008 through April 30, 2008.
This promo only requires a one night minimum stay and a minimum base fare of $125. These deals typically require a Saturday night stay, so compared to others we've seen recently, the terms are pretty favorable.
Reservations must be made via the American Airlines website using the promotion code DFAPRMXPLE by January 21, 2008.