Delta and JetBlue have round-trip flights from New York (JFK/LGA) to West Palm Beach, Tampa, or Miami (PBI/TPA/MIA) for $117-$138, NONSTOP. Flights in October, January, February, and March. Origin/Destination reversible.
Note: Carry-on bag is allowed for free on Delta and JetBlue. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.