Too Late for SXSW, Virgin America offers L.A to Austin and/or Austin to L.A Flights in June or September from 89 Dollars One Way.
The $89 fare is good on Tuesdays, Wednesdays and Saturdays.
Flying on Mondays or Thursdays will cost you $109
This is part of their Book by February 27, 2013 (Midnight), fly later Special.
On Austin- Los Angeles route, it means from May 21 Through June 29 and September 3 Through September 30, 2013.
From the East Coast, a flight to Palm Springs late March sounds appealing for a holiday in the sun.
(* Image of red uniformed Virgin America personel from their Flyer Feed blog)