Altius recorded 87 priced readings of nonstop business-class round trips from Paris (CDG) to San José (SJO) booked 90 days out, across 44 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$3,227 to US$7,327. The lowest fare Altius scored on this window was US$3,227 for a 2026-12-14 departure, seen on 2026-09-15 — IMPRESSIVE at the time, 24.4% below the US$4,269 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.