Altius recorded 305 priced readings of nonstop business-class round trips from Miami (MIA) to Santiago (SCL) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,216 to US$10,911. The lowest fare Altius scored on this window was US$3,216 for a 2026-08-31 departure, seen on 2026-07-02 — IMPRESSIVE at the time, 22.1% below the US$4,128 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.