As per many news articles (eg https://www.odt.co.nz/news/national/air-nz-offer-9-domestic-…), AirNZ has $9 one way flights going on sale:
Air New Zealand's Grabaseat is releasing 1000 domestic flights at just $9 one-way tomorrow morning.
Air New Zealand Chief Revenue Officer Cam Wallace says the unmissable fares are in response to softening domestic demand growth as a result of coronavirus.
"On Monday we'll be offering these absolutely outstanding one-way fares to all of our 20 domestic destinations," he said.
Coronavirus -
Downsides: 5% of the population dies
Upsides: Bargains to be had