Are there nonstop flights from Dammam (DMM) to Hanoi (HAN)?

No. The fastest connection is via New Delhi, about 7h 42m of total flying time.

What is the fastest connection from Dammam (DMM) to Hanoi (HAN)?

via New Delhi ≈ 7h 42m, via Dubai ≈ 7h 44m, via Doha ≈ 7h 46m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 36,000 ANA miles (economy, one way, based on the published award charts).

King Fahd International Airport (DMM) to Noi Bai International Airport (HAN)・5,683 km

No nonstop flights. The fastest connection is via New Delhi (DEL), about 7h 42m of flying time (layover not included).

With milesJAL 23,000 miles+ (via DXB)ANA 36,000 miles+ (via ADD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.