Are there nonstop flights from Boston (BOS) to Guangzhou (CAN)?

No. The fastest connection is via Beijing, about 15h 56m of total flying time.

What is the fastest connection from Boston (BOS) to Guangzhou (CAN)?

via Beijing ≈ 15h 56m, via Hong Kong ≈ 16h 14m, via Seoul ≈ 16h 16m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Boston Logan International Airport (BOS) to Guangzhou Baiyun International Airport (CAN)・12,690 km

No nonstop flights. The fastest connection is via Beijing (PEK), about 15h 56m of flying time (layover not included).

With milesANA 30,000 miles+ (via IST)JAL 47,000 miles+ (via HKG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.