Are there nonstop flights from Seoul (ICN) to Dammam (DMM)?

No. The fastest connection is via Beijing, about 9h 24m of total flying time.

What is the fastest connection from Seoul (ICN) to Dammam (DMM)?

via Beijing ≈ 9h 24m, via Doha ≈ 9h 34m, via Dubai ≈ 9h 36m (estimated flying time, excluding layovers).

from 37,000 JAL miles, from 48,500 ANA miles (economy, one way, based on the published award charts).

Incheon International Airport (ICN) to King Fahd International Airport (DMM)・7,139 km

No nonstop flights. The fastest connection is via Beijing (PKX), about 9h 24m of flying time (layover not included).

With milesJAL 37,000 miles+ (via DOH)ANA 48,500 miles+ (via IST)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.