Are there nonstop flights from Cotonou (COO) to Conakry (CKY)?

Yes. RwandAir fly this route. Flight time is about 2h 37m.

What is the fastest connection from Cotonou (COO) to Conakry (CKY)?

via Lomé ≈ 3h 8m, via Abidjan ≈ 3h 13m, via Lagos ≈ 3h 21m (estimated flying time, excluding layovers).

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

Cotonou Cadjehoun International Airport (COO) to Ahmed Sékou Touré International Airport (CKY)・1,797 km

Nonstop flights available (1 airline). Flight time about 2h 37m. Nonstop return flights also operate.

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

6 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.