American Airlines, United, and Southwest has round-trip flights from Houston (IAH) to Las Vegas, Raleigh, Little Rock, Jacksonville, Denver, Colorado Springs, Destin, El Paso, Charleston, or Baltimore (LAS, RDU, LIT, JAX, DEN, COS, VPS, ELP, CHS, BWI) for $159-$199 with a connection. Flights May to November. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
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.