Does Southwest fly into JFK or LaGuardia (LGA)? Southwest Airlines primarily flies into LaGuardia (LGA) rather than JFK (John F. Kennedy International Airport) in New York City. LaGuardia is a key hub for Southwest, providing convenient access to Manhattan and the surrounding metropolitan area. Although Southwest does not currently operate flights into JFK, travelers flying with Southwest to New York City can easily reach their destinations through LaGuardia Airport.