Are there nonstop flights from Tehran (IKA) to Shanghai (PVG)?

Yes. Mahan Air fly this route. Flight time is about 8h 5m.

What is the fastest connection from Tehran (IKA) to Shanghai (PVG)?

via Tashkent ≈ 8h 37m, via Almaty ≈ 8h 40m, via Ürümqi ≈ 8h 41m (estimated flying time, excluding layovers).

from 37,000 JAL miles, from 48,000 ANA miles (economy, one way, based on the published award charts).

Imam Khomeini International Airport (IKA) to Shanghai Pudong International Airport (PVG)・6,443 km

Nonstop flights available (1 airline). Flight time about 8h 5m. Nonstop return flights also operate.

With milesJAL 37,000 miles+ (via DXB)ANA 48,000 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

18 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.