Passengers were asked to leave the aircraft as police and fire crews swarmed the tarmac.
All those on the flight have since been searched by armed officers.
He later added: "Apparently an individual has made a direct threat to this aircraft".
Passeners were informed shortly before take off that a "direct threat" had been made against the aiport.
Sniffer dogs were also used to search hand luggage.
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'We were waiting on the plane for around an hour.
Flight BA303 was due to take off for London when the incident occurred, with police and fire engines surrounding the plane on the tarmac, reports the Guardian.
Passenger James Anderson wrote on Twitter: 'On British Airways flight BA0303, now being held on tarmac at Paris due to security threat, surrounded by police and fire vehicles.
Anderson told CNN they had not received any further updates from officials but that passengers were re-boarding the aircraft.
Authorities later cleared the flight for takeoff after completing security checks, the French national police said.
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"It was pretty intense disembarking the aircraft though - we had to step off the aircraft and form a single line with armed officers by the side of each of us with dogs".
"The safety and security of our customers and crew is always our top priority", a British Airways spokesperson told the Independent.
James Anderson, a 20-year-old entrepreneur on the flight from Paris to London's Heathrow Airport, told The Associated Press that the pilot initially told passengers there were technical issues.
'We would never operate a flight unless it is safe to do so'.
France remains under a State of Emergency following a series of terrorist attacks carried out by ISIS and al-Qaeda operatives.
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