American Airlines has round-trip flights from Dallas (DFW) to New York, San Francisco, Seattle, Colorado Springs, Memphis, New Orleans, Milwaukee, or Charleston, South Carolina (LGA/JFK, SFO, SEA, COS, MEM, MSY, MKE, CHS) for $121-$181, NONSTOP. Flights April to May. See updated link list for example itineraries. Origin/Destination reversible.
Milwaukee and Charleston are the most expensive destinations in this list.