The cabin crew on a Jetstar flight have intervened after a woman tried to open the cabin door mid-flight near Avalon Airport.

Police were called to the airport about 11pm on Monday after reports a woman attempted to open a door on a flight between Sydney and Avalon.

"She was arrested without incident and has been taken to hospital for assessment," the spokesperson said.

A Jetstar spokesperson said crew on the flight intervened when a customer approached the front door of the aircraft during descent in an emotional state.