The best month to arrive at Auckland is July and the most expensive month to fly is January. (Average prices, based on 465 datapoints.)
The best day to arrive at Auckland is Friday and it would be best to avoid Wednesday, as prices are on average 138.95% higher than on Friday. (Average prices, based on 465 datapoints.)
The cheapest airline flying to Auckland is Qantas. They are 13% cheaper than Air New Zealand. (Average prices, based on 477 datapoints.)