Are there nonstop flights from Santa Ana (SNA) to Seoul (ICN)?

No. The fastest connection is via San Francisco, about 12h 23m of total flying time.

What is the fastest connection from Santa Ana (SNA) to Seoul (ICN)?

via San Francisco ≈ 12h 23m, via Seattle ≈ 12h 42m, via Vancouver ≈ 12h 45m (estimated flying time, excluding layovers).

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

John Wayne Orange County International Airport (SNA) to Incheon International Airport (ICN)・9,682 km

No nonstop flights. The fastest connection is via San Francisco (SFO), about 12h 23m of flying time (layover not included).

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

None.

14 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.