Are there nonstop flights from Shenzhen (SZX) to Paris (CDG)?

Yes. Hainan Airlines fly this route. Flight time is about 11h 44m.

What is the fastest connection from Shenzhen (SZX) to Paris (CDG)?

via Chongqing ≈ 12h 15m, via Chengdu ≈ 12h 15m, via Frankfurt am Main ≈ 12h 16m (estimated flying time, excluding layovers).

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

Shenzhen Bao'an International Airport (SZX) to Charles de Gaulle International Airport (CDG)・9,554 km

Nonstop flights available (1 airline). Flight time about 11h 44m. Nonstop return flights also operate.

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

36 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.