Just thinking out loud: do you want to sit in a coach for 9-10 hours, and a dreary landscape ?
I did a Google search:
There are many options, for both bus and train, each a very long day. the link will help
Personally i would fly.
Why take a bus when you can fly for less money!?
SIN- Penang is a much longer journey vs SIN-KL, so the benefits of flying for this route is significantly more.
Thks for all the links. Like everyone is suggesting, I will fly. Checked Tiger and there is a morning flight for 59SD on the date I want to depart. Need an Aus debit or credit card to book. As I reside US, I am lucky to have father in Aus. to buy this for me.
Thanks, I checked all 3 sites and Tiger is the cheapest - no frills, of course, and it looks like I will have no problem paying with card, as it is the Singapore site, e-mail you gave me, which helped a lot.
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i've done this route on bus many times before.
It is definitely tiring (12 hrs).
However do consider the extra cost you'll have to pay when getting a cab from penang airport to get into georgetown (relatively far apart).
expect to be extorted!