Altius recorded 30 priced readings of nonstop business-class round trips from Paris (ORY) to Constantine (CZL) booked 30 days out, across 15 departure dates between 2026-08-20 and 2026-10-02. Observed fares ran from US$985 to US$1,245. Every fare Altius recorded for trips booked 30 days out stayed close enough to what this route typically costs that none was flagged.