Altius recorded 144 priced readings of nonstop business-class round trips from Los Angeles (LAX) to Chicago (ORD) booked 30 days out, across 73 departure dates between 2026-07-25 and 2026-10-05. Observed fares ran from US$797 to US$1,119. The lowest fare Altius scored on this window was US$797 for a 2026-09-22 departure, seen on 2026-08-23 — STRONG at the time, 18.1% below the US$973 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.