Flight addendum

Cheap inter islands flights can be found with Go. Home of the $25 Hilo -> Honolulu flight if you book early enough.

A note on flights:

It's usually much easier to find flights out of Kona, rather than Hilo. However, ATA has several direct flights from Hilo (to Oakland and Vegas, notably); Kona flies several places but the main one, of course, is Honolulu.

ata.com is a website I frequently stalk for prices.