Essex Police said although the flight from Dalaman was escorted to Stansted, officers established that there was no threat.
The flight landed safely at Stansted on Wednesday evening and the runway was able to be opened after inquiries were completed.
The force said in a statement: “Shortly before 9pm, we received a report of a potential threat on board the flight.
“It was escorted to Stansted Airport, where it landed safely and was parked away from the main passenger terminal.
“The runway was closed for a short time while inquiries were carried out.
“Officers were then able to establish there was no threat on board.
“Onward travel was then organised for the passengers and the runway was reopened.”