Are there nonstop flights from Hong Kong (HKG) to Hat Yai (HDY)?

No. The fastest connection is via Bangkok, about 3h 52m of total flying time.

What is the fastest connection from Hong Kong (HKG) to Hat Yai (HDY)?

via Bangkok ≈ 3h 52m, via Bangkok ≈ 3h 54m, via Phuket ≈ 4h 1m (estimated flying time, excluding layovers).

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

Hong Kong International Airport (HKG) to Hat Yai International Airport (HDY)・2,242 km

No nonstop flights. The fastest connection is via Bangkok (BKK), about 3h 52m 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.

7 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.