The flight attendant, a lady, will be however sued for recidivism, reports say.
French authorities at Marseille airport rounded three flight attendants on a TunisAir Marseille-bound flight for customs offence.
Local media in Tunisia indicated that one steward and two airhostesses were accused of smuggling into the French city 3000 packs of cigarettes.
Two of them were released on Monday while the third remanded in custody alongside with four others including cleaning staff from the airport.
The public prosecution office in the court requested ten years in prison sentence for them in addition to fines of more than €300,000, to be paid jointly between them.
The flight attendant freed on Thursday had been in the past subject to discipline sanctions after she was caught trying to smuggle jewelries for one of her acquaintances.