Are there nonstop flights from Naples (NAP) to Sofia (SOF)?

Yes. Ryanair, Wizz Air fly this route. Flight time is about 1h 25m.

What is the fastest connection from Naples (NAP) to Sofia (SOF)?

via Tirana ≈ 1h 56m, via Corfu ≈ 2h 7m, via Belgrade ≈ 2h 10m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Naples International Airport (NAP) to Sofia Airport (SOF)・783 km

Nonstop flights available (2 airlines). Flight time about 1h 25m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via ATH)Economy, one way, estimate. Tap a connection for miles by cabin.

24 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.