Are there nonstop flights from São Paulo (GRU) to Shenzhen (SZX)?

No. The fastest connection is via Dubai, about 22h 18m of total flying time.

What is the fastest connection from São Paulo (GRU) to Shenzhen (SZX)?

via Dubai ≈ 22h 18m, via Johannesburg ≈ 22h 19m, via Doha ≈ 22h 20m (estimated flying time, excluding layovers).

from 50,000 JAL miles, from 61,000 ANA miles (economy, one way, based on the published award charts).

São Paulo/Guarulhos–Governor André Franco Montoro International Airport (GRU) to Shenzhen Bao'an International Airport (SZX)・17,996 km

No nonstop flights. The fastest connection is via Dubai (DXB), about 22h 18m of flying time (layover not included).

With milesJAL 50,000 miles+ (via DXB)ANA 61,000 miles+ (via JNB)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.