This comes after a Commerce Commission report found it could be overcharging, and a concerted campaign by airlines.
Auckland Airport's chief executive Adrian Littlewood says its pricing needs to provide for the airport's future, including undertaking a multi-billion-dollar 30-year infrastructure programme.
The changes will take effect by way of discounts on landing and passenger charges from July 1st.
Christchurch Airport finalised its prices last year, and Wellington Airport is starting the review process this year.
