Are there nonstop flights from Sfax (SFA) to Tripoli (MJI)?

Yes. Afriqiyah Airways, Libyan Airlines fly this route. Flight time is about 52m.

Sfax → Tripoli

Sfax Thyna International Airport (SFA) to Mitiga International Airport (MJI)・314 km

Nonstop flights available (2 airlines). Flight time about 52m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.