Miami to Santiago — what Altius has recorded

Altius recorded 306 priced readings of nonstop business-class round trips from Miami (MIA) to Santiago (SCL) booked 30 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$2,897 to US$14,751. The lowest fare Altius scored on this window was US$2,897 for a 2026-08-03 departure, seen on 2026-07-04 — RARE at the time, 38.9% below the US$4,741 this route was typically running that day.

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.

Altius recorded 301 priced readings of nonstop business-class round trips from Miami (MIA) to Santiago (SCL) booked 90 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$2,985 to US$10,861. The lowest fare Altius scored on this window was US$2,985 for a 2026-11-16 departure, seen on 2026-08-18 — IMPRESSIVE at the time, 29.4% below the US$4,228 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.