Are there nonstop flights from Jieyang (SWA) to Phnom Penh (KTI)?

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

What is the fastest connection from Jieyang (SWA) to Phnom Penh (KTI)?

via Haikou ≈ 3h 11m, via Guangzhou ≈ 3h 16m, via Nanning ≈ 3h 33m (estimated flying time, excluding layovers).

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

Jieyang Chaoshan International Airport (SWA) to Techo International Airport (KTI)・1,827 km

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

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

None.

14 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.