Are there nonstop flights from Baghdad (BGW) to Nasiriyah (XNH)?

Yes. Iraqi Airways fly this route. Flight time is about 52m.

Baghdad → Nasiriyah

Baghdad International Airport / New Al Muthana Air Base (BGW) to Ali Air Base (XNH)・312 km

Nonstop flights available (1 airline). 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.