Altius recorded 255 priced readings of nonstop business-class round trips from Birmingham (BHX) to Istanbul (IST) booked 30 days out, across 122 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$1,029 to US$1,772. The lowest fare Altius scored on this window was US$1,034 for a 2026-09-03 departure, seen on 2026-08-04 — IMPRESSIVE at the time, 22.6% below the US$1,336 this route was typically running that day.
Altius recorded 254 priced readings of nonstop business-class round trips from Birmingham (BHX) to Istanbul (IST) booked 60 days out, across 122 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$1,017 to US$1,967. The lowest fare Altius scored on this window was US$1,017 for a 2026-12-01 departure, seen on 2026-10-02 — IMPRESSIVE at the time, 22.1% below the US$1,306 this route was typically running that day.
Altius recorded 254 priced readings of nonstop business-class round trips from Birmingham (BHX) to Istanbul (IST) booked 90 days out, across 122 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$1,020 to US$1,987. The lowest fare Altius scored on this window was US$1,022 for a 2026-09-29 departure, seen on 2026-07-01 — STRONG at the time, 19.3% below the US$1,266 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.