Peter Clark: Aviation Commentator talks Air NZ raising domestic airfares - Heather du Plessis-Allan Drive

Air New Zealand is warning travel agents that it's about to put domestic airfares up.

It comes at the same time as the national carrier has downgrades its full-year earnings guidance by 10 million dollars.

The fare structure for flights to Australia and the Pacific is also getting a revamp.

Aviation Commentator Peter Clark told Heather du Plessis-Allan the airline doesn't have a choice - as it's own costs have skyrocketed. 

He says people will simply have to suck it up. 

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