Check out The Flight Deal’s link for amazing deals to/from Hawaii at the moment. Roundtrip airfare for as low as $542 per person in economy. I did a brief search for the end of the summer and found $600 for an end-of-August trip.
If you had enough American Airlines points, I actually found business class tickets for August 24-28.
Couple that with Hyatt Passport points (which you can transfer 1:1 from Chase Ultimate Rewards) and you can get a great deal on a quick, small beach vacation at the Hyatt Regency Waikiki Resort and Spa.
Check it out if you dare!