Altius recorded 308 priced readings of nonstop business-class round trips from Los Angeles (LAX) to London (LHR) booked 30 days out, across 138 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$3,942 to US$8,196. The lowest fare Altius scored on this window was US$3,942 for a 2026-08-17 departure, seen on 2026-07-18 — DECENT at the time, 14.3% below the US$4,600 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.