Altius recorded 310 priced readings of nonstop business-class round trips from Dallas (DFW) to Madrid (MAD) booked 60 days out, across 138 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$3,959 to US$15,415. The lowest fare Altius scored on this window was US$3,959 for a 2026-08-15 departure, seen on 2026-06-16 — RARE at the time, 32.5% below the US$5,865 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.