Altius recorded 144 priced readings of nonstop business-class round trips from Boston (BOS) to Los Angeles (LAX) booked 30 days out, across 72 departure dates between 2026-07-25 and 2026-10-04. Observed fares ran from US$1,267 to US$2,881. The lowest fare Altius scored on this window was US$1,267 for a 2026-09-01 departure, seen on 2026-08-02 — STRONG at the time, 15.5% below the US$1,499 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.