Are there nonstop flights from Colombo (CMB) to Amman (AMM)?

No. The fastest connection is via Dammam, about 7h 14m of total flying time.

What is the fastest connection from Colombo (CMB) to Amman (AMM)?

via Dammam ≈ 7h 14m, via Manama ≈ 7h 14m, via Doha ≈ 7h 14m (estimated flying time, excluding layovers).

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

Bandaranaike International Colombo Airport (CMB) to Queen Alia International Airport (AMM)・5,296 km

No nonstop flights. The fastest connection is via Dammam (DMM), about 7h 14m of flying time (layover not included).

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

None.

15 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.