Are there nonstop flights from Sanya (SYX) to Liangshan (XIC)?

No. The fastest connection is via Guiyang, about 2h 41m of total flying time.

What is the fastest connection from Sanya (SYX) to Liangshan (XIC)?

via Guiyang ≈ 2h 41m, via Yibin ≈ 2h 48m, via Luzhou ≈ 2h 53m (estimated flying time, excluding layovers).

from 10,000 ANA miles (economy, one way, based on the published award charts).

Sanya Phoenix International Airport (SYX) to Xichang Qingshan Airport (XIC)・1,305 km

No nonstop flights. The fastest connection is via Guiyang (KWE), about 2h 41m of flying time (layover not included).

With milesANA 10,000 miles+ (via TFU)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.