Altius recorded 308 priced readings of nonstop business-class round trips from Los Angeles (LAX) to Seoul (ICN) booked 30 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$5,335 to US$9,533. Every fare Altius recorded for trips booked 30 days out stayed close enough to what this route typically costs that none was flagged.
Altius recorded 307 priced readings of nonstop business-class round trips from Los Angeles (LAX) to Seoul (ICN) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$4,608 to US$7,331. The lowest fare Altius scored on this window was US$4,608 for a 2026-07-27 departure, seen on 2026-05-28 — STRONG at the time, 19.7% below the US$5,738 this route was typically running that day.
Altius recorded 298 priced readings of nonstop business-class round trips from Los Angeles (LAX) to Seoul (ICN) booked 90 days out, across 133 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$5,335 to US$12,239. The lowest fare Altius scored on this window was US$5,335 for a 2026-09-07 departure, seen on 2026-06-09 — STRONG at the time, 17.6% below the US$6,475 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.