Altius recorded 76 priced readings of nonstop business-class round trips from Rome (FCO) to Detroit (DTW) booked 90 days out, across 38 departure dates between 2026-08-19 and 2026-09-28. Observed fares ran from US$4,671 to US$8,392. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.