Altius recorded 310 priced readings of nonstop business-class round trips from Atlanta (ATL) to Istanbul (IST) booked 60 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$5,541 to US$10,241. Every fare Altius recorded for trips booked 60 days out stayed close enough to what this route typically costs that none was flagged.