In Reply to: First timers to Perth posted by adqa on Saturday, 29. August 2009 at 05:54 Bali Time:
The domestic terminals and the international terminal in Perth are about 15 minutes drive apart.
There is a bus to transfer between terminals at $8 pp.
Check out http://www.perthairport.com/default.aspx?MenuID=34 for details.
I believe that the International airport is open 24hours.