Are there nonstop flights from Jinan (TNA) to Seoul (ICN)?

Yes. Shandong Airlines, Trinity Airways fly this route. Flight time is about 1h 28m.

What is the fastest connection from Jinan (TNA) to Seoul (ICN)?

via Weihai ≈ 1h 58m, via Yantai ≈ 1h 58m, via Dalian ≈ 2h 3m (estimated flying time, excluding layovers).

from 11,000 ANA miles, from 12,000 JAL miles (economy, one way, based on the published award charts).

Jinan Yaoqiang International Airport (TNA) to Incheon International Airport (ICN)・821 km

Nonstop flights available (2 airlines). Flight time about 1h 28m. Nonstop return flights also operate.

With milesANA 11,000 miles+ (via DLC)JAL 12,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

9 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.