Are there nonstop flights from Kikai (KKX) to Amami (ASJ)?

Yes. Japan Air Commuter fly this route. Flight time is about 32m.

Kikai → Amami

Kikai Airport (KKX) to Amami Airport (ASJ)・24 km

Nonstop flights available (1 airline). Flight time about 32m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.