Altius recorded 309 priced readings of nonstop business-class round trips from Dallas (DFW) to Madrid (MAD) booked 90 days out, across 138 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$4,667 to US$10,915. The lowest fare Altius scored on this window was US$4,667 for a 2026-12-22 departure, seen on 2026-09-23 — STRONG at the time, 19.7% below the US$5,812 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.