Are there nonstop flights from Seoul (ICN) to Mahón (MAH)?

No. The fastest connection is via Vienna, about 12h 17m of total flying time.

What is the fastest connection from Seoul (ICN) to Mahón (MAH)?

via Vienna ≈ 12h 17m, via Warsaw ≈ 12h 17m, via Milan ≈ 12h 19m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Incheon International Airport (ICN) to Menorca Airport (MAH)・9,593 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 12h 17m of flying time (layover not included).

With milesANA 30,000 miles+ (via MUC)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.