Altius recorded 251 priced readings of nonstop business-class round trips from London (LHR) to Luxembourg (LUX) booked 30 days out, across 121 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$392 to US$1,313. The lowest fare Altius scored on this window was US$392 for a 2026-08-24 departure, seen on 2026-07-25 — IMPRESSIVE at the time, 29.4% below the US$555 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.