If you are looking to visit the South Island during ski season, then this could be a good deal to jump on. Just be aware that these fares include carry-on baggage only and do not earn Qantas Points.
If you want some inspiration to cross the Tasman, you can check out our New Zealand destination guide.
Depart: Melbourne (best frequency of flights), Sydney (in the middle) and Gold Coast (least frequent flights)
Dates: January to September 2018, with the lowest prices in January-February and August-September
Cost: From $214 in Economy
Melbourne to Christchurch for $214 return:
Sydney to Christchurch for $218:
Gold Coast to Christchurch for $230:
Additional charges: The fares quoted are for one 7kg carry-on bag only, so factor in extra costs if checking baggage. The ~1% credit card payment fee can be avoided by paying through POLi.
Booking link: Go to Jetstar and do a flexible date search.
You can get cheap flight alerts like this at Dollar Flight Club.
Airfare deals are typically only available on limited dates. Fares may disappear quickly, so we suggest booking as soon as you are confident in your travel dates.