Jetstar are having another sale - travel dates vary but primarily seem to be between late January-March and May-June 2016. Best prices seem to be the May / June flights to Singapore or Bali. Checked out some return fares and look like you can get return flights for around $550 excl baggage.
Auckland to:
- Sydney $139
- Singapore $247 (Feb / March)
- Singapore $227 (May / June)
- Bali $269
- Phuket $285
- Bangkok $290
- Sydney / Mebourne / Gold Coast $119 (May / June) - Feb & March is around $129
- Domestic deals include New Plymouth & Palmerston North $29, Napier $35, Queenstown / Dunedin $55 + more.
Wellington to:
- Melbourne / Gold Coast from $109
- Bali $249
- Domestic deals: Nelson / Christchurch / Auckland $35
Christchurch to:
- Gold coast / Sydney $119
- Melbourne $129
- Rarotonga $228 (Via Auckland)
- Domestic deals: Wellington $35, Auckland $39
Queenstown to:
Gold Coast $139
Melbourne $169
Sydney $169
Domestic deals: Auckland $55
A tip for those looking to travel further than Australia, Jetstar are currently having a similar christmas sale on their Australia website, this includes a wider range of destinations so you could fly into somewhere like Melbourne and then hook into another cheap flights to get further abroad (such as Honolulu for $300 from Melbourne, add $109 from Wellington and it's a $409 flight).
See more details here: https://www.ozbargain.com.au/node/224525