Are there nonstop flights from Nantong (NTG) to Jakarta (CGK)?

No. The fastest connection is via Xiamen, about 6h 18m of total flying time.

What is the fastest connection from Nantong (NTG) to Jakarta (CGK)?

via Xiamen ≈ 6h 18m, via Fuzhou ≈ 6h 19m, via Hong Kong ≈ 6h 21m (estimated flying time, excluding layovers).

from 18,000 ANA miles (economy, one way, based on the published award charts).

Nantong Xingdong International Airport (NTG) to Soekarno-Hatta International Airport (CGK)・4,511 km

No nonstop flights. The fastest connection is via Xiamen (XMN), about 6h 18m of flying time (layover not included).

With milesANA 18,000 miles+ (via SZX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.