American Airlines U.S. Airfare Sale
American Airlines has a domestic airfare sale up and running that features deals to/from cities on both coasts and plenty of spots in between.
You can find airfare as low as $49+ o/w (based on r/t purchase) on some routes. Purchase your airline ticket by 11:59 p.m. CT on March 4, 2010 for travel through June 9, 2010. There are black-out dates.
Check out cheap flights on American Airlines to see some of the latest airfare deals from your hometown.