Altius recorded 94 priced readings of nonstop business-class round trips from Marseille (MRS) to Constantine (CZL) booked 90 days out, across 47 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$901 to US$937. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.