Are there nonstop flights from Muscat (MCT) to Kigali (KGL)?

Yes. SalamAir fly this route. Flight time is about 5h 24m.

What is the fastest connection from Muscat (MCT) to Kigali (KGL)?

via Addis Ababa ≈ 5h 55m, via Nairobi ≈ 6h 9m, via Dubai ≈ 6h 11m (estimated flying time, excluding layovers).

from 17,500 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Muscat International Airport (MCT) to Kigali International Airport (KGL)・4,165 km

Nonstop flights available (1 airline). Flight time about 5h 24m. Nonstop return flights also operate.

With milesANA 17,500 miles+ (via ADD)JAL 23,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

8 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.