Altius recorded 74 priced readings of nonstop business-class round trips from Rome (FCO) to Mexico City (MEX) booked 30 days out, across 37 departure dates between 2026-08-19 and 2026-10-03. Observed fares ran from US$5,200 to US$8,756. The lowest fare Altius scored on this window was US$5,200 for a 2026-10-13 departure, seen on 2026-09-13 — STRONG at the time, 19.9% below the US$6,492 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.