Are there nonstop flights from Dubai (DXB) to Najaf (NJF)?

Yes. flydubai, Iraqi Airways fly this route. Flight time is about 2h 2m.

What is the fastest connection from Dubai (DXB) to Najaf (NJF)?

via Kish Island ≈ 2h 32m, via Kuwait City ≈ 2h 32m, via Manama ≈ 2h 36m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

Dubai International Airport (DXB) to Al Najaf International Airport (NJF)・1,305 km

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

With milesJAL 12,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

18 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

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