Are there nonstop flights from Mumbai (BOM) to Changsha (CSX)?

No. The fastest connection is via Kathmandu, about 6h 5m of total flying time.

What is the fastest connection from Mumbai (BOM) to Changsha (CSX)?

via Kathmandu ≈ 6h 5m, via Hanoi ≈ 6h 19m, via Hong Kong ≈ 6h 48m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Chhatrapati Shivaji Maharaj International Airport (BOM) to Changsha Huanghua International Airport (CSX)・4,213 km

No nonstop flights. The fastest connection is via Kathmandu (KTM), about 6h 5m of flying time (layover not included).

With milesANA 18,000 miles+ (via BKK)JAL 23,000 miles+ (via HKG)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.