Qantas is offering cheap flights to Beijing. These are the cheapest ever Qantas Beijing flights. Fares includes meals, seats and bags. One stop in Sydney.
There are some other destinations in the Global Sale but nothing great albeit Hong Kong for $753 Return(skyscanner.co.nz) is a good current price but it's been much lower.
Christchurch $603 - Skyscanner(skyscanner.co.nz) - Google Flights(google.com)
Wellington $639 - Skyscanner(skyscanner.co.nz) - Google Flights(google.com)
Auckland $608 - Skyscanner(skyscanner.co.nz) - Google Flights(google.com)
via Scott's Cheap Flights(scottscheapflights.com)