Are there nonstop flights from Phnom Penh (KTI) to Guangzhou (CAN)?

Yes. China Southern Airlines, Spring Airlines, Air Cambodia, Cambodia Airways, Sky Angkor Airlines fly this route. Flight time is about 2h 23m.

What is the fastest connection from Phnom Penh (KTI) to Guangzhou (CAN)?

via Sanya ≈ 2h 53m, via Haikou ≈ 2h 53m, via Hong Kong ≈ 2h 59m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 18,000 ANA miles (economy, one way, based on the published award charts).

Techo International Airport (KTI) to Guangzhou Baiyun International Airport (CAN)・1,605 km

Nonstop flights available (5 airlines). Flight time about 2h 23m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via HKG)ANA 18,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

22 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.