Altius recorded 238 priced readings of nonstop business-class round trips from London (LHR) to Austin (AUS) booked 30 days out, across 115 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$6,344 to US$17,699. The lowest fare Altius scored on this window was US$7,384 for a 2026-11-03 departure, seen on 2026-10-04 — STRONG at the time, 18.5% below the US$9,060 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.