American, Delta, Alaska Airlines , and United have round-trip flights from Austin (AUS) to Los Angeles (LAX) for $134-$139, NONSTOP. Flights August to November. A few weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Delta, American, and Alaska. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
United’s “Basic Economy” fares do not allow for a free carry-on bag.