Are there nonstop flights from Yangon (RGN) to Guangzhou (CAN)?

Yes. China Southern Airlines, Myanmar Airways International fly this route. Flight time is about 2h 46m.

What is the fastest connection from Yangon (RGN) to Guangzhou (CAN)?

via Hanoi ≈ 3h 16m, via Chiang Mai ≈ 3h 17m, via Nanning ≈ 3h 17m (estimated flying time, excluding layovers).

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

Yangon International Airport (RGN) to Guangzhou Baiyun International Airport (CAN)・1,930 km

Nonstop flights available (2 airlines). Flight time about 2h 46m. Nonstop return flights also operate.

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

18 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.