China Southern Airlines will move to year round double daily services between Auckland and Guangzhou from August using at Boeing 787-Dreamliner.
The move builds on the summer peak season double-daily service on the "Canton route" and could be worth close to $100 million for the New Zealand economy.
It will lift the year-round flights from 10 to 14 and according to the airline was in response to high demand from Chinese tourists.
"We have great confidence in the Auckland-Guangzhou route due to the high level of tourism demand between China and New Zealand," said Mike Ma, China Southern Airlines' general manager New Zealand,
This airline started flying the Guangzhou to Auckland route in April 2011 with three services a week.