Altius recorded 282 priced readings of nonstop business-class round trips from Newark (EWR) to Istanbul (IST) booked 60 days out, across 129 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$4,651 to US$10,951. The lowest fare Altius scored on this window was US$4,651 for a 2026-10-20 departure, seen on 2026-08-21 — RARE at the time, 35% below the US$7,155 this route was typically running that day.
A fare can move between our two readings of the same day, most often on the days furthest below typical. Where a day's two readings differ enough to matter, the chart marks that day and both readings can be read separately.