Originally Posted by
yycworldtraveler
You no longer clear customs at the destination airport. Transiting passengers clear customs (get your passport stamp) airside at BKK and remain airside to proceed to the domestic gates.
I'm prepared to stand corrected on this (actually I'm interested to know) but, unless this has changed very recently, as long as you're not flying with one of the budget airlines, I thought it was still possible to clear customs in
some other Thai airports eg. HKT, CNX and possibly USM...