Altius recorded 182 priced readings of nonstop business-class round trips from London (LHR) to Pittsburgh (PIT) booked 90 days out, across 86 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$3,577 to US$10,889. The lowest fare Altius scored on this window was US$3,577 for a 2026-12-02 departure, seen on 2026-09-03 — RARE at the time, 30.7% below the US$5,162 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.