I will travel to Mammoth Lakes early May. I would like to minimise my flying to as few legs as possible (for ecological and sightseeing reasons), so I will probably fly to one of the nearest three major airports: SFO, LAX, LAS, or perhaps RNO, and then attempt to travel overland from there. The Eastern Sierra Transit Authority appears to run buses on Monday, Wednesday and Friday from Reno or Lancaster to Mammoth Lakes. As I need to be there before a Monday morning, it's sub-optimal to have to arrive already on Friday (which would mean arriving at LAX already on Thursday).
Are there any options I have missed? How can I travel from SFO, LAX, LAS or RNO to Mammoth Lakes overland during the weekend?