Are there nonstop flights from Bangkok (BKK) to Nagpur (NAG)?

No. The fastest connection is via Kolkata, about 4h 6m of total flying time.

What is the fastest connection from Bangkok (BKK) to Nagpur (NAG)?

via Kolkata ≈ 4h 6m, via Hyderabad ≈ 4h 22m, via Indore ≈ 4h 46m (estimated flying time, excluding layovers).

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

Suvarnabhumi Airport (BKK) to Dr. Babasaheb Ambedkar International Airport (NAG)・2,443 km

No nonstop flights. The fastest connection is via Kolkata (CCU), about 4h 6m of flying time (layover not included).

With milesANA 15,000 miles+ (via BOM)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.