Are there nonstop flights from Jakarta (CGK) to Chiang Mai (CNX)?

No. The fastest connection is via Bangkok, about 4h 24m of total flying time.

What is the fastest connection from Jakarta (CGK) to Chiang Mai (CNX)?

via Bangkok ≈ 4h 24m, via Bangkok ≈ 4h 24m, via Singapore ≈ 4h 24m (estimated flying time, excluding layovers).

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

Soekarno-Hatta International Airport (CGK) to Chiang Mai International Airport (CNX)・2,894 km

No nonstop flights. The fastest connection is via Bangkok (DMK), about 4h 24m of flying time (layover not included).

With milesANA 15,000 miles+ (via BKK)JAL 15,000 miles+ (via KUL)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.