Are there nonstop flights from Kobe (UKB) to Okinawa (Naha) (OKA)?

Yes. Skymark Airlines, Solaseed Air fly this route. Flight time is about 1h 54m.

What is the fastest connection from Kobe (UKB) to Okinawa (Naha) (OKA)?

via Kagoshima ≈ 2h 26m, via Miyakojima ≈ 3h 4m, via Tokyo ≈ 3h 20m (estimated flying time, excluding layovers).

from 14,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Kobe Airport (UKB) to Naha International Airport (OKA)・1,186 km

Nonstop flights available (2 airlines). Flight time about 1h 54m. Nonstop return flights also operate.

With milesANA 14,000 miles+ (via HND)JAL 15,000 miles+ (via ICN)Economy, one way, estimate. Tap a connection for miles by cabin.

9 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.