American Airlines and United have also stepped up flying non-stop services across the Pacific and Hawaiian Airlines is expanding its range of mainland destinations from Auckland via Honolulu.
Madison said any "Trump Slump'' wasn't materialising, certainly in New Zealand.
"The political environment is top of mind with people but ultimately will not affect their decisions. The primary decision that people make is about the people of a country rather than politics,''she said.
''People in the US are some of the most welcoming in the world and on any particular trip no matter what the political climate these are the things you take home.''
While the Kiwi dollar had bounced back from this year's lows, it was still shy of 70c which is a psychological tipping point for many Kiwi travellers.
''The US dollar has got a little bit stronger and that's a bit of a challenge for us. It is a double-edge sword. They still see tremendous value in coming to the Untied States because there are so many experiences they can enjoy on the same trip.''
There were great hotel bargains outside the gateway cities.
''The best value is in smaller cities where hotels can be 30 per cent of the price they are in the larger markets,'' said Madison.
New Zealanders spent on average spent between 18 days and 22 days in the US.