Are there nonstop flights from Dehong (LUM) to Seoul (ICN)?

No. The fastest connection is via Chongqing, about 4h 33m of total flying time.

What is the fastest connection from Dehong (LUM) to Seoul (ICN)?

via Chongqing ≈ 4h 33m, via Wuhan ≈ 4h 35m, via Hefei ≈ 4h 36m (estimated flying time, excluding layovers).

from 11,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Dehong Mangshi International Airport (LUM) to Incheon International Airport (ICN)・3,017 km

No nonstop flights. The fastest connection is via Chongqing (CKG), about 4h 33m of flying time (layover not included).

With milesANA 11,000 miles+ (via TFU)JAL 15,000 miles+ (via KMG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

15 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.