Altius recorded 189 priced readings of nonstop business-class round trips from Edinburgh (EDI) to Washington (IAD) booked 30 days out, across 90 departure dates between 2026-06-06 and 2026-09-16. Observed fares ran from US$4,560 to US$16,242. The lowest fare Altius scored on this window was US$4,560 for a 2026-08-19 departure, seen on 2026-07-20 — LEGENDARY at the time, 47.4% below the US$8,669 this route was typically running that day.
Altius recorded 139 priced readings of nonstop business-class round trips from Edinburgh (EDI) to Washington (IAD) booked 60 days out, across 68 departure dates between 2026-06-06 and 2026-08-17. Observed fares ran from US$5,007 to US$16,996. The lowest fare Altius scored on this window was US$5,556 for a 2026-09-02 departure, seen on 2026-07-04 — LEGENDARY at the time, 49.7% below the US$11,046 this route was typically running that day. Altius has not seen a nonstop business-class round trip on this route since 2026-08-17. The record above is what was observed while fares were being returned. Routes drop out of schedules and come back, so it is worth checking again.
Altius recorded 94 priced readings of nonstop business-class round trips from Edinburgh (EDI) to Washington (IAD) booked 90 days out, across 43 departure dates between 2026-06-06 and 2026-07-18. Observed fares ran from US$3,764 to US$15,885. The lowest fare Altius scored on this window was US$3,764 for a 2026-10-12 departure, seen on 2026-07-14 — LEGENDARY at the time, 64% below the US$10,456 this route was typically running that day. Altius has not seen a nonstop business-class round trip on this route since 2026-07-18. The record above is what was observed while fares were being returned. Routes drop out of schedules and come back, so it is worth checking again.
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.