Are there nonstop flights from Dakar (DSS) to Nantes (NTE)?

Yes. Transavia, Transavia France fly this route. Flight time is about 5h 4m.

What is the fastest connection from Dakar (DSS) to Nantes (NTE)?

via Casablanca ≈ 5h 36m, via Lisbon ≈ 5h 36m, via Marrakesh ≈ 5h 36m (estimated flying time, excluding layovers).

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

Blaise Diagne International Airport (DSS) to Nantes Atlantique Airport (NTE)・3,885 km

Nonstop flights available (2 airlines). Flight time about 5h 4m. Nonstop return flights also operate.

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

21 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.