Altius recorded 307 priced readings of nonstop business-class round trips from Washington (IAD) to Frankfurt (FRA) booked 30 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,792 to US$8,534. The lowest fare Altius scored on this window was US$3,792 for a 2026-08-04 departure, seen on 2026-07-05 — DECENT at the time, 14.6% below the US$4,440 this route was typically running that day.
Altius recorded 308 priced readings of nonstop business-class round trips from Washington (IAD) to Frankfurt (FRA) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,992 to US$7,834. The lowest fare Altius scored on this window was US$3,992 for a 2026-08-16 departure, seen on 2026-06-17 — STRONG at the time, 15.1% below the US$4,702 this route was typically running that day.
Altius recorded 304 priced readings of nonstop business-class round trips from Washington (IAD) to Frankfurt (FRA) booked 90 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$4,779 to US$7,134. The lowest fare Altius scored on this window was US$4,779 for a 2026-08-21 departure, seen on 2026-05-23 — IMPRESSIVE at the time, 23.1% below the US$6,215 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.