Altius recorded 305 priced readings of nonstop business-class round trips from Newark (EWR) to San José (SJO) booked 30 days out, across 136 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$1,081 to US$6,315. The lowest fare Altius scored on this window was US$1,081 for a 2026-10-26 departure, seen on 2026-09-26 — IMPRESSIVE at the time, 26.1% below the US$1,463 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.