Altius recorded 94 priced readings of nonstop business-class round trips from Paris (CDG) to Seoul (ICN) booked 30 days out, across 47 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$3,312 to US$11,091. The lowest fare Altius scored on this window was US$3,312 for a 2026-10-19 departure, seen on 2026-09-19 — LEGENDARY at the time, 48.6% below the US$6,444 this route was typically running that day.
A fare can move between our two readings of the same day, most often on the days furthest below typical. Where a day's two readings differ enough to matter, the chart marks that day and both readings can be read separately.