Delta has round-trip flights from New York (JFK) to Dallas (DFW) for $110, NONSTOP. $55 each-way.
Flights February to August. Friday departures are available. Origin/Destination reversible. No Holidays. Expect prices to fluctuate by about +/- $10.
Note: Midweek only in June/July. Other months have better days available.
Note: Carry-on bag is allowed for free. You can avoid seat selection fees by accepting the randomly assigned seat at the gate. Upgrades into “Regular Economy” are available for +$30 each-way.
Read More Nonstop Flights: New York to/from Dallas $111 r/t – Delta