...flying to Hawaii from the West Coast, you will often find the best bargains out of Los Angeles Airport (LAX) and San Francisco Airport (SFO), while Portland, Seattle and San Diego tend to be slightly higher.
Since most U.S. mainlanders use LAX and SFO for their port of entry and Honolulu Airport for their first Hawaii destination,I’ll use these two mainland airports for examples..
The best airfare rates to Hawaii are found during their off-peak tourism season, typically October through May with the exceptions of spring breaks and major holidays along with the days closely surrounding them. This doesn’t mean you must rule out flying in the summer. I’ve found exceptions to this rule including some rates for flying in early June and September. Lowest fares are usually, but not always found on Tuesday, Wednesday or Thursday, and by not returning the same week.
You will consistently find better deals on the Internet, from discount ticket venues and even directly from airlines such as Hawaiian Air that charge less from online customers. Besides saving big, one of the leading reasons people like booking online is that it affords more control...
These cheap airfare to hawaii tips are taken from from the "Getting There" chapter of Hawaii Eco Budget Guide to Oahu, but I have a new edition now and one for each island:
