Are there nonstop flights from Dubai (DXB) to Constantine (CZL)?

No. The fastest connection is via Medina, about 6h 53m of total flying time.

What is the fastest connection from Dubai (DXB) to Constantine (CZL)?

via Medina ≈ 6h 53m, via Istanbul ≈ 6h 54m, via Jeddah ≈ 7h 9m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Dubai International Airport (DXB) to Mohamed Boudiaf International Airport (CZL)・4,765 km

No nonstop flights. The fastest connection is via Medina (MED), about 6h 53m of flying time (layover not included).

With milesANA 30,000 miles+ (via IST)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

9 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.