Fare of the Day: Sacramento, CA (SMF) to Kahului Maui, HI (OGG) $270 RT non-stop, including all taxes. Delta/Alaska codeshare.
This fare is available for travel 7 days a week through April 30th, but many dates are already sold out so you will need to be flexible.
Another great fare with the same rules and restrictions is San Jose, CA (SJC) to Kona, HI (KOA) for the same price of $270.
Found via Travelocity and Delta.com