Alaska Airlines is offering discount direct flights to Kona and Honolulu from San Jose starting on March 12th. This is a new route for Alaska Airlines, so they’re offering this deal to fill up their planes initially.
Cheap Flights to Honolulu from San Francisco
The cheapest flights leave on September 11th, September 14th, and September 15th. Flights on all other days cost $401 and are available on Untied.
Both American Airlines and United are offering discount direct flights to Hawaii from San Francisco for $311 roundtrip.