Yes you can

Posted by clovis on Thursday, 4. August 2011 at 17:39 Bali Time:

In Reply to: combining airlines can you? posted by Luxe on Thursday, 4. August 2011 at 17:31 Bali Time:

Just check the currency, if it is in US you may find it even less :)
You may have to pay 2 lots of tax as well.