Are there nonstop flights from Osaka (KIX) to Jakarta (CGK)?

No. The fastest connection is via Manila, about 7h 23m of total flying time.

What is the fastest connection from Osaka (KIX) to Jakarta (CGK)?

via Manila ≈ 7h 23m, via Taipei ≈ 7h 29m, via Xiamen ≈ 7h 36m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Kansai International Airport (KIX) to Soekarno-Hatta International Airport (CGK)・5,417 km

No nonstop flights. The fastest connection is via Manila (MNL), about 7h 23m of flying time (layover not included).

With milesANA 15,000 miles+ (via HND)JAL 23,000 miles+ (via HKG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

22 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.