Are there nonstop flights from Lagos (LOS) to Kigali (KGL)?

Yes. RwandAir fly this route. Flight time is about 4h 11m.

What is the fastest connection from Lagos (LOS) to Kigali (KGL)?

via Douala ≈ 4h 41m, via Libreville ≈ 4h 52m, via Entebbe ≈ 5h 18m (estimated flying time, excluding layovers).

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

Murtala Muhammed International Airport (LOS) to Kigali International Airport (KGL)・3,125 km

Nonstop flights available (1 airline). Flight time about 4h 11m. Nonstop return flights also operate.

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

7 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.