Hawaiian Airlines is offering cheap flights to the US. Best of all you can work out itineraies that allow to stop not only in Honolulu but Maui as well. While Honolulu is great Maui is definitely worth spending time in (one of the best drives in the world). All flights include seats, meals and bags. Dates are January to May.
Auckland to Portland, Oregon $885 - Google Flights - Skyscanner
Auckland to Las Vegas, Nevada $900 - Google Flights - Skyscanner
Auckland to Phoenix, Arizona $900 - Google Flights - Skyscanner
Auckland to Sacramento, California $900 - Google Flights - Skyscanner
Auckland to San Jose, California $900 - Google Flights - Skyscanner
Auckland to Seattle, Washington $900 - Google Flights - Skyscanner
San Francisco is also on sale but you can find other airlines at comparable prices.