Are there nonstop flights from Spokane (GEG) to Seoul (ICN)?

No. The fastest connection is via Seattle, about 11h 16m of total flying time.

What is the fastest connection from Spokane (GEG) to Seoul (ICN)?

via Seattle ≈ 11h 16m, via San Francisco ≈ 13h 4m, via Salt Lake City ≈ 13h 11m (estimated flying time, excluding layovers).

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

Spokane International Airport (GEG) to Incheon International Airport (ICN)・8,629 km

No nonstop flights. The fastest connection is via Seattle (SEA), about 11h 16m of flying time (layover not included).

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

None.

9 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.