Are there nonstop flights from Seoul (ICN) to Geneva (GVA)?

No. The fastest connection is via Zurich, about 11h 33m of total flying time.

What is the fastest connection from Seoul (ICN) to Geneva (GVA)?

via Zurich ≈ 11h 33m, via Prague ≈ 11h 33m, via Warsaw ≈ 11h 34m (estimated flying time, excluding layovers).

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

Incheon International Airport (ICN) to Geneva International Airport (GVA)・8,971 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 11h 33m of flying time (layover not included).

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

None.

28 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.