Altius recorded 95 priced readings of nonstop business-class round trips from Paris (CDG) to Chicago (ORD) booked 90 days out, across 48 departure dates between 2026-08-19 and 2026-10-05. Observed fares ran from US$4,151 to US$6,871. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.