Altius recorded 73 priced readings of nonstop business-class round trips from Rome (FCO) to Tokyo (HND) booked 60 days out, across 38 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$3,963 to US$8,357. The lowest fare Altius scored on this window was US$3,963 for a 2026-11-30 departure, seen on 2026-10-01 — RARE at the time, 39.8% below the US$6,583 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.