Are there nonstop flights from Madrid (MAD) to Shenzhen (SZX)?

Yes. Hainan Airlines fly this route. Flight time is about 12h 49m.

What is the fastest connection from Madrid (MAD) to Shenzhen (SZX)?

via Vienna ≈ 13h 19m, via Milan ≈ 13h 19m, via Chongqing ≈ 13h 19m (estimated flying time, excluding layovers).

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

Adolfo Suárez Madrid–Barajas Airport (MAD) to Shenzhen Bao'an International Airport (SZX)・10,472 km

Nonstop flights available (1 airline). Flight time about 12h 49m. Nonstop return flights also operate.

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

27 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.