Are there nonstop flights from Jacksonville (JAX) to Seoul (ICN)?

No. The fastest connection is via Chicago, about 15h 1m of total flying time.

What is the fastest connection from Jacksonville (JAX) to Seoul (ICN)?

via Chicago ≈ 15h 1m, via Minneapolis ≈ 15h 1m, via Atlanta ≈ 15h 2m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Jacksonville International Airport (JAX) to Incheon International Airport (ICN)・11,911 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 15h 1m of flying time (layover not included).

With milesANA 30,000 miles+ (via YYZ)JAL 45,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.