[11/26/2019 @ 05:25 PM CT] Post updated. Still available. Rolling dates forward.
American Airlines has round-trip flights from Chicago (ORD) to Los Angeles (LAX) for $113, NONSTOP. Flights in December, February, March, April, and May. Very few extended weekends available. Origin/Destination reversible.
Note: Carry-on bag is allowed for free on American Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.