So I've read through a bunch of posts but I still couldn't find a definitive answer.

Flying to Hawaii (LAX > HNL) in early November for a conference. Will have two and 2 half days on the Big Island before moving on to Lihue for the conference. My main focus is on seeing the volcanoes. Which airport to recommend flying in and out of? How much time do you suggest for each park/volcano? Any other highlight you might rec'd?

Thanks,
Aaron