Are there nonstop flights from Singapore (SIN) to Ishigaki (ISG)?

No. The fastest connection is via Kaohsiung, about 4h 59m of total flying time.

What is the fastest connection from Singapore (SIN) to Ishigaki (ISG)?

via Kaohsiung ≈ 4h 59m, via Taipei ≈ 5h 9m, via Hong Kong ≈ 5h 17m (estimated flying time, excluding layovers).

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

Singapore Changi Airport (SIN) to New Ishigaki Airport (ISG)・3,363 km

No nonstop flights. The fastest connection is via Kaohsiung (KHH), about 4h 59m of flying time (layover not included).

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

None.

8 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.