To minimise flying (which my kids dislike) I am tempted to fly to penang and then use the ferry to visit Langkawi.
How reliable are Langkawi ferries? I am a little nervous about relying on a ferry to catch a flight back from Penang to KL on the same day. I could book the flight back the next day in case of ferry cancellations but that would add to the hassle factor
I suppose in April the sea shoudl be calm?