First of all, my sympathies for your situation.

Yes, most airlines offer bereavement fares, including AA. Easiest thing to do is to call up AA and ask.

A search of previous topics regarding bereavement fares here on FlyerTalk turned up the following threads that might be useful for you:

http://flyertalk.com/forums/showthread.php?t=568236
http://flyertalk.com/forums/showthread.php?t=494253
http://flyertalk.com/forums/showthread.php?t=475015

And, also, welcome to FlyerTalk!