American Airlines, Delta, and United has round-trip flights from Portland (PDX) to Dallas, Denver, Los Angeles, Phoenix, or Chicago (DFW, DEN, LAX, PHX, ORD) for $103-$151, NONSTOP. Flights October to December. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Dallas is the most expensive destination in this group.
Carry-on bag is allowed for free on Delta and American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.