Are there nonstop flights from Beijing (PKX) to Sanming (SQJ)?

Yes. Xiamen Airlines fly this route. Flight time is about 2h 13m.

What is the fastest connection from Beijing (PKX) to Sanming (SQJ)?

via Wuhan ≈ 2h 52m, via Qingdao ≈ 2h 53m, via Shanghai ≈ 2h 57m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

Beijing Daxing International Airport (PKX) to Sanming Shaxian Airport (SQJ)・1,460 km

Nonstop flights available (1 airline). Flight time about 2h 13m. Nonstop return flights also operate.

With milesJAL 12,000 miles+ (via TAO)Economy, one way, estimate. Tap a connection for miles by cabin.

6 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.