Altius recorded 220 priced readings of nonstop business-class round trips from London (LHR) to Naples (NAP) booked 30 days out, across 106 departure dates between 2026-06-06 and 2026-09-24. Observed fares ran from US$540 to US$2,337. The lowest fare Altius scored on this window was US$540 for a 2026-10-06 departure, seen on 2026-09-06 — RARE at the time, 32% below the US$794 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.