Altius recorded 308 priced readings of nonstop business-class round trips from Chicago (ORD) to Seoul (ICN) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,671 to US$11,203. Every fare Altius recorded for trips booked 60 days out stayed close enough to what this route typically costs that none was flagged.