How To Get Upgrade On Air New Zealand?

On Air New Zealand, you can upgrade in three ways: you can either buy an upgrade outright, bid on it, or earn it. Buy an Air New Zealand Upgrade, this is the most straightforward way to get an upgrade. The steps to upgrade are set out as follows.
Go to the official Air New Zealand website (or the official app). 
To your “My Booking” & select the flight you would like to upgrade. 
Next, select the cabin class you would like to upgrade. 
If an option is available, select the cabin class you want to upgrade to. 
Pay the fare difference. 
After the payment, you will receive an upgrade confirmation by mail. 
If you prefer a swift & no-hassle approach to making your upgrade, you should go with this.
For more information and any assistance, you can contact Air New Zealand customer care.

Read more:- https://www.airlinesgrouptravel.com/blog/how-to-upgrade-on-air-new-zealand