Travelling by Air :What is KLIA2.

esThe KLIA2 is built to be Malaysia's Next Generation Hub - International Airport Hub - that allows seamless connectivity for both local and international low-cost plus full-service carriers.
The KLIA2 is built to cater for the explosive growth in low cost travel. It is designed to cater 45 million passengers a year, replacing the Low Cost Carrier Terminal (LCCT) once it's ready. It is built with bigger capacity and superior facilities.

 Photo credit to KLIA2 (MAB)

 Photo credit to KLIA2 (MAB).
The KLIA2 is located 1.5km away from KLIA. A rail extension is being constructed to connect KLIA to KLIA2.
The KLIA2 is built to cater for the explosive growth in low cost travel. The KLIA2 terminal was first designed to cater 30 million passengers a year, measured about 150,000 sqm, and was scheduled to complete in April 2012 for 2 billion Malaysia Ringgit.
During its construction phase, the KLIA2 terminal is revised to 257,000 sqm, a 71% increase, with the capacity to cater up to 45 million passengers a year. The cost is increased to 3.6 billion Malaysia Ringgit, and it is rescheduled to open in May 2014.
Airlines using the KLIA2.The new low-cost carrier terminal KLIA2, in Sepang, is set to host 10 frills-free airlines when operational in May2014."Among them are Zest Airways, Lion Air, Tiger Airways, Cebu Pacific Air and definitely, AirAsia".

 +AirAsia Airbus320-200

 Zest Airways budget carrier from Manila..photo from google image.

Cebu Pacific budget carrier also from Manila. Photo by airline net.

 "Once the airport is operational in May 2014, MAHB will have almost 10 low-cost carriers (LCCs) flying from there."
This article from MALAYSIA KLIA2 info .