American Airlines has round-trip flights from Dallas (DFW) to Sarasota, Panama City (Florida), Burbank, Savannah, Charleston, Albuquerque, Reno, or El Paso (SRQ, ECP, BUR, SAV, CHS, ABQ, RNO, ELP) for $153, NONSTOP. Flights are mostly between September to February with some destinations having availability into May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available.
A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.