Are there nonstop flights from Shannan (LXA) to Sanming (SQJ)?

Yes. Tibet Airlines fly this route. Flight time is about 3h 38m.

What is the fastest connection from Shannan (LXA) to Sanming (SQJ)?

via Chongqing ≈ 4h 10m, via Chengdu ≈ 4h 10m, via Kunming ≈ 4h 16m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

Lhasa Gonggar International Airport (LXA) to Sanming Shaxian Airport (SQJ)・2,660 km

Nonstop flights available (1 airline). Flight time about 3h 38m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via KMG)Economy, one way, estimate. Tap a connection for miles by cabin.

7 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.