Are there nonstop flights from Shenzhen (SZX) to Krabi (KBV)?

No. The fastest connection is via Bangkok, about 3h 46m of total flying time.

What is the fastest connection from Shenzhen (SZX) to Krabi (KBV)?

via Bangkok ≈ 3h 46m, via Bangkok ≈ 3h 47m, via Chiang Mai ≈ 4h 17m (estimated flying time, excluding layovers).

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

Shenzhen Bao'an International Airport (SZX) to Krabi International Airport (KBV)・2,263 km

No nonstop flights. The fastest connection is via Bangkok (BKK), about 3h 46m of flying time (layover not included).

With milesANA 18,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 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.