Air Asia's latest promotion.. book from 12-16 Nov 2008. Travel period - 22 Jun - 24 Oct 2009. Free seats and no fuel surcharge this time.
As usual, I like to randomly check if I could book free flights both ways. In this promotion, I clicked on Hanoi as my preferred destination departing LCCT-KL on the 13th Sept 2009, leaving Hanoi for KL on the 16th Sept 2009.
Take a look at how much it costs -