There's a great value AA KUPP fare at the moment, which I just booked for myself next month.
It's LAX-FLL (via DFW or ORD, same SC either way, but DFW is shorter).
It can be done in a day, if you leave early enough, or do it on a red eye LAX-DFW or LAX-ORD.
It nets 420SC, for $668 USD ($741...