Are there nonstop flights from Shenzhen (SZX) to Hamburg (HAM)?

No. The fastest connection is via Vienna, about 12h 6m of total flying time.

What is the fastest connection from Shenzhen (SZX) to Hamburg (HAM)?

via Vienna ≈ 12h 6m, via Budapest ≈ 12h 7m, via Frankfurt am Main ≈ 12h 13m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Shenzhen Bao'an International Airport (SZX) to Hamburg Helmut Schmidt Airport (HAM)・8,859 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 12h 6m of flying time (layover not included).

With milesANA 30,000 miles+ (via FRA)JAL 45,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.