Are there nonstop flights from Phnom Penh (KTI) to Guiyang (KWE)?

No. The fastest connection is via Sanya, about 3h 11m of total flying time.

What is the fastest connection from Phnom Penh (KTI) to Guiyang (KWE)?

via Sanya ≈ 3h 11m, via Haikou ≈ 3h 17m, via Bangkok ≈ 3h 27m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Techo International Airport (KTI) to Guiyang Longdongbao International Airport (KWE)・1,700 km

No nonstop flights. The fastest connection is via Sanya (SYX), about 3h 11m of flying time (layover not included).

With milesANA 18,000 miles+ (via SZX)JAL 23,000 miles+ (via WUH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

17 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.