Other cheap flights on offer include Auckland to Sydney for $119, Auckland to Melbourne for $119 and Auckland to Dunedin for $39.
A Jetstar spokesman said the several hundred $9 seats it had up for grabs between Auckland and Christchurch and $19 between Auckland and Queenstown had sold out within hours of going on sale.
The Auckland to Christchurch flights for $9 sold out the fastest.
The $9 fares between Wellington and Dunedin had also been popular, with just a few seats remaining, the spokesman said.
"Travellers snapped up the chance to fly domestically for under $10," he said.
Travel agent Helloworld has return flights to Australia for $399 return with accommodation bookings and return fares to Los Angeles and San Francisco for $999. Flight Centre, is offering return airfares to Hawaii for $699 and return to Tonga for $399.
Other Black Friday deals Flight Centre has include a three-night cruise on Pacific Aria for $399 and 50 per cent off of Intrepid, On The Go Tours and Trafalgar tours.
Mainstream apparel and electronics retailers are offering discounts of between 30 and 50 per cent, with tech gadgets and clothing tipped to be items with the largest savings to be had.
Other smaller niche retailers and brands are also involved in Black Friday this year.