Altius recorded 248 priced readings of nonstop business-class round trips from London (LHR) to Luxembourg (LUX) booked 60 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$337 to US$1,204. The lowest fare Altius scored on this window was US$337 for a 2026-11-23 departure, seen on 2026-09-24 — STRONG at the time, 21.8% below the US$431 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.