Altius recorded 222 priced readings of nonstop business-class round trips from Edinburgh (EDI) to Philadelphia (PHL) booked 30 days out, across 107 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$5,206 to US$15,039. The lowest fare Altius scored on this window was US$5,206 for a 2026-10-28 departure, seen on 2026-09-28 — LEGENDARY at the time, 50% below the US$10,412 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.