Altius recorded 250 priced readings of nonstop business-class round trips from London (LHR) to Zurich (ZRH) booked 30 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$379 to US$569. The lowest fare Altius scored on this window was US$390 for a 2026-08-03 departure, seen on 2026-07-04 — STRONG at the time, 16.7% below the US$468 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.