AA Award Chart
Follow these steps for a free flight to Hawaii:1. Go to aa.com to search for an award flight
2. Select multi city, plug in your dates for the international portion of the segment
3. Add on a one way flight to Hawaii. Note that your "stop-over" can be several months.
4. Select Dates flexible
6. You should see the following message for the Hawaii segment of the flight.
7. Book a 1 way award back to the mainland from Hawaii (unless of course you want to stay there forever).
You can do a similar trick on United and I hope to have a post on that coming soon.