Airline economics dictate that on most planes, almost every passenger will have paid a different fare - there are six ways to get a cheap seat, according to the Daily Mail.
1. Leave it to the last minute
Most flights are released a year before departure, but that's often not the best time to book.
KAYAK's data and analysis show that Kiwi travellers can save up to 61% on airfare by booking at the right time.
On average, for top international destinations, it is best for New Zealand travellers to book flights 2 months in advance.