Altius recorded 306 priced readings of nonstop business-class round trips from Miami (MIA) to Madrid (MAD) booked 30 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,612 to US$13,335. The lowest fare Altius scored on this window was US$3,612 for a 2026-08-17 departure, seen on 2026-07-18 — STRONG at the time, 15.5% below the US$4,275 this route was typically running that day.
Altius recorded 309 priced readings of nonstop business-class round trips from Miami (MIA) to Madrid (MAD) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,612 to US$7,045. The lowest fare Altius scored on this window was US$3,612 for a 2026-08-15 departure, seen on 2026-06-16 — STRONG at the time, 15.7% below the US$4,285 this route was typically running that day.
Altius recorded 309 priced readings of nonstop business-class round trips from Miami (MIA) to Madrid (MAD) booked 90 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,872 to US$7,355. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.
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.