There is a flash sale to Hawaii from many airports around California priced around $200 round trip to Honolulu, Maui, Kona and Kauai.
This fare sale involves multiple airlines.
United Airlines SFO – Kahului Maui OGG
Alaska Airlines SJC – Kahului Maui OGG
Los Angeles LAX – Honolulu HNL
Alaska Airlines SJC – Lihue, Kauai LIH
Delta Airlines has San Jose SJC to Kauai as low as $215 round trip.