Are there nonstop flights from Bangkok (BKK) to Thiruvananthapuram (TRV)?

No. The fastest connection is via Colombo, about 4h 14m of total flying time.

What is the fastest connection from Bangkok (BKK) to Thiruvananthapuram (TRV)?

via Colombo ≈ 4h 14m, via Chennai ≈ 4h 20m, via Kochi ≈ 4h 23m (estimated flying time, excluding layovers).

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

Suvarnabhumi Airport (BKK) to Thiruvananthapuram International Airport (TRV)・2,662 km

No nonstop flights. The fastest connection is via Colombo (CMB), about 4h 14m of flying time (layover not included).

With milesJAL 15,000 miles+ (via CMB)ANA 15,000 miles+ (via BOM)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.