Are there nonstop flights from Madison (MSN) to Seoul (ICN)?

No. The fastest connection is via Minneapolis, about 13h 14m of total flying time.

What is the fastest connection from Madison (MSN) to Seoul (ICN)?

via Minneapolis ≈ 13h 14m, via Chicago ≈ 13h 35m, via Detroit ≈ 14h 7m (estimated flying time, excluding layovers).

from 45,000 JAL miles (economy, one way, based on the published award charts).

Dane County Regional Truax Field (MSN) to Incheon International Airport (ICN)・10,351 km

No nonstop flights. The fastest connection is via Minneapolis (MSP), about 13h 14m of flying time (layover not included).

With milesJAL 45,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.