In general, when booking your flight to Auckland, November is the cheapest month on average.
On average, from most locations, when planning your trip to Auckland, try to book your flight in the region of 40 days in advance for the cheapest prices.
Most of our users find that booking their departure to Auckland on a Tuesday is the cheapest. Conversely, departing on a Friday seems to be the most expensive.
On average you can find the best deals on plane tickets to Auckland when looking for flights with evening departure times.