Are there nonstop flights from Colombo (CMB) to Sharjah (SHJ)?

Yes. Air Arabia fly this route. Flight time is about 4h 22m.

What is the fastest connection from Colombo (CMB) to Sharjah (SHJ)?

via Muscat ≈ 4h 52m, via Kochi ≈ 4h 52m, via Coimbatore ≈ 4h 52m (estimated flying time, excluding layovers).

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

Bandaranaike International Colombo Airport (CMB) to Sharjah International Airport (SHJ)・3,280 km

Nonstop flights available (1 airline). Flight time about 4h 22m. Nonstop return flights also operate.

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

22 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.