Altius recorded 307 priced readings of nonstop business-class round trips from Dallas (DFW) to Frankfurt (FRA) booked 90 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$4,488 to US$12,420. The lowest fare Altius scored on this window was US$4,488 for a 2026-12-24 departure, seen on 2026-09-25 — IMPRESSIVE at the time, 22.9% below the US$5,821 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.