Statistics NZ data shows domestic airfares increased 7.4% in February compared to January.
Earlier this year, Air NZ CEO Greg Foran told Checkpoint the airline was facing significant cost increases and some of that needed to be passed onto passengers.
The NZ Airports Association said regional travellers are already frustrated about how much they're having to pay to fly, as well as high cancellation rates.
It said the Ministry of Transport already has the power to set up independent airfare monitoring and should start now.
Chief Executive of the NZ Airports Association, Billie Moore, speaks to Lisa Owen.
