Are there nonstop flights from Krabi (KBV) to Kolkata (CCU)?

No. The fastest connection is via Bangkok, about 3h 41m of total flying time.

What is the fastest connection from Krabi (KBV) to Kolkata (CCU)?

via Bangkok ≈ 3h 41m, via Bangkok ≈ 3h 42m, via Kuala Lumpur ≈ 4h 53m (estimated flying time, excluding layovers).

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

Krabi International Airport (KBV) to Netaji Subhash Chandra Bose International Airport (CCU)・1,972 km

No nonstop flights. The fastest connection is via Bangkok (DMK), about 3h 41m of flying time (layover not included).

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

None.

4 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.