If your Air New Zealand flight is cancelled within 24 hours of booking and if you purchase a flight one week before departure, this airline will provide a full refund. As per the Air New Zealand flight cancellation policy, you will have to pay cancellation charges, which depend on your fare type. If you cancel your ticket for whatever reason and it is refundable, the airline will credit your bank account with a full refund. https://flightcancellationpolicy.com/air-new-zealand-flight-cancellation