Flights and airlines - Firefly
Firefly was set up in 2007 and is the no-frills alternative to Air Asia for many domestic routes, and various Southern Thailand, Singapore and Sumatera of Indonesia destinations as well. A subsidiary of Malaysia Airlines Berhad. Firefly flies from Skypark , Subang Airport what used to be Terminal 3. Convenient and reliable,all their planes are twin turboprop aircrafts - supposedly fuel-efficient and eco-friendly.
For bookings, go http://www.fireflyz.com.my/
From Subang or Penang airport, it is relatively easy to get yourself an uber vehicle... cheaper rates at most times than the airport taxis and limos