Lan Airlines is offering Return Business class airfares from Auckland to Sydney for ~$812 NZD. These prices seem to be available until June.
Most business class flights average around $1400.
Current economy class tickets are around $371 however the best prices to Sydney have been close to ~$240 or so roundtrip in the past. The $812 price is via HelloWorld charged in Australian dollars ($761.24 AUD). STA Travel is offering the flights for $851 charged in NZD.
However, you need to compare apples with apples. See Australian Business Travellers Review where you get
- Seats that recline all the way (almost all the way flat).
- Access to the Qantas International Business Lounge (free food & drinks)
- Decent free food & drinks on-board.
- Earn Qantas status credits.
Via FlyforFree