Are there nonstop flights from Dammam (DMM) to Beirut (BEY)?

Yes. Middle East Airlines - Air Liban fly this route. Flight time is about 2h 23m.

What is the fastest connection from Dammam (DMM) to Beirut (BEY)?

via Kuwait City ≈ 2h 56m, via Najaf ≈ 2h 57m, via Amman ≈ 3h (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 17,500 ANA miles (economy, one way, based on the published award charts).

King Fahd International Airport (DMM) to Beirut Rafic Hariri International Airport (BEY)・1,598 km

Nonstop flights available (1 airline). Flight time about 2h 23m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via AMM)ANA 17,500 miles+ (via CAI)Economy, one way, estimate. Tap a connection for miles by cabin.

14 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.