Are there nonstop flights from Basel / Mulhouse (BSL) to Seoul (ICN)?

No. The fastest connection is via Prague, about 11h 21m of total flying time.

What is the fastest connection from Basel / Mulhouse (BSL) to Seoul (ICN)?

via Prague ≈ 11h 21m, via Wrocław ≈ 11h 21m, via Warsaw ≈ 11h 22m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

EuroAirport Basel–Mulhouse–Freiburg (BSL) to Incheon International Airport (ICN)・8,787 km

No nonstop flights. The fastest connection is via Prague (PRG), about 11h 21m of flying time (layover not included).

With milesANA 30,000 miles+ (via FRA)JAL 37,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

19 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.