SFO to HNL airfare/car $570 for 2 people

Pleasant Holidays has a really good deal for airfare and economy car rental to Hawaii. I tried some dates in November and December (depart on a Tuesday-Thursday)  The airfare alone is around $360 per person x 2 = $720 + the cost of a rental car.
http://www.pleasantholidays.com

Click on “Book Now” under “Hawaii Deals from $399″
Choose Sheraton Princess [...]