Altius recorded 74 priced readings of nonstop business-class round trips from Rome (FCO) to Dallas (DFW) booked 30 days out, across 38 departure dates between 2026-08-20 and 2026-10-02. Observed fares ran from US$6,369 to US$13,004. The lowest fare Altius scored on this window was US$6,369 for a 2026-09-28 departure, seen on 2026-08-29 — RARE at the time, 40.8% below the US$10,758 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.