Are there nonstop flights from Shannan (LXA) to Seoul (ICN)?

No. The fastest connection is via Xi'an, about 5h of total flying time.

What is the fastest connection from Shannan (LXA) to Seoul (ICN)?

via Xi'an ≈ 5h, via Qingdao ≈ 5h, via Zhengzhou ≈ 5h 1m (estimated flying time, excluding layovers).

from 11,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Lhasa Gonggar International Airport (LXA) to Incheon International Airport (ICN)・3,400 km

No nonstop flights. The fastest connection is via Xi'an (XIY), about 5h of flying time (layover not included).

With milesANA 11,000 miles+ (via TFU)JAL 23,000 miles+ (via XIY)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

23 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.