Are there nonstop flights from Auckland (AKL) to Shenzhen (SZX)?

Yes. Hainan Airlines fly this route. Flight time is about 11h 20m.

What is the fastest connection from Auckland (AKL) to Shenzhen (SZX)?

via Sydney ≈ 12h 17m, via Haikou ≈ 12h 24m, via Taipei ≈ 12h 25m (estimated flying time, excluding layovers).

from 25,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Auckland International Airport (AKL) to Shenzhen Bao'an International Airport (SZX)・9,204 km

Nonstop flights available (1 airline). Flight time about 11h 20m. Nonstop return flights also operate.

With milesANA 25,000 miles+ (via TPE)JAL 45,000 miles+ (via HGH)Economy, one way, estimate. Tap a connection for miles by cabin.

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.