Altius recorded 240 priced readings of nonstop business-class round trips from London (LHR) to Austin (AUS) booked 60 days out, across 117 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$4,883 to US$17,411. The lowest fare Altius scored on this window was US$4,883 for a 2026-11-23 departure, seen on 2026-09-24 — IMPRESSIVE at the time, 27.8% below the US$6,763 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.