The arrest came just days after French President Emmanuel Macron held face-to-face talks in Saudi Arabia with de facto ruler Crown Prince Mohammed bin Salman.
The man, a former Royal Guard of Saudi Arabia, was reportedly arrested by authorities at Charles de Gaulle airport near Paris as he was about to board a flight to Saudi capital Riyadh.
One of the suspected killers of Saudi journalist Jamal Khashoggi was arrested at Roissy airport near Paris on Tuesday as he was about to board a flight to Riyadh, sources said, a move welcomed by his fiancee and a rights group as a potential breakthrough.