Are there nonstop flights from Chengdu (TFU) to Tehran (IKA)?

No. The fastest connection is via Tashkent, about 6h 58m of total flying time.

What is the fastest connection from Chengdu (TFU) to Tehran (IKA)?

via Tashkent ≈ 6h 58m, via Ürümqi ≈ 7h 17m, via Dubai ≈ 8h 6m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Chengdu Tianfu International Airport (TFU) to Imam Khomeini International Airport (IKA)・4,950 km

No nonstop flights. The fastest connection is via Tashkent (TAS), about 6h 58m of flying time (layover not included).

With milesJAL 23,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.