Altius recorded 94 priced readings of nonstop business-class round trips from Rome (FCO) to Buenos Aires (EZE) booked 90 days out, across 47 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$3,581 to US$7,269. The lowest fare Altius scored on this window was US$3,581 for a 2026-12-11 departure, seen on 2026-09-12 — STRONG at the time, 17.2% below the US$4,325 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.