Altius recorded 273 priced readings of nonstop business-class round trips from Dallas (DFW) to San José (SJO) booked 30 days out, across 123 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$1,586 to US$4,393. The lowest fare Altius scored on this window was US$1,586 for a 2026-11-03 departure, seen on 2026-10-04 — STRONG at the time, 18.2% below the US$1,939 this route was typically running that day.
Altius recorded 292 priced readings of nonstop business-class round trips from Dallas (DFW) to San José (SJO) booked 60 days out, across 133 departure dates between 2026-05-20 and 2026-10-03. Observed fares ran from US$1,520 to US$2,718. Every fare Altius recorded for trips booked 60 days out stayed close enough to what this route typically costs that none was flagged.
Altius recorded 287 priced readings of nonstop business-class round trips from Dallas (DFW) to San José (SJO) booked 90 days out, across 134 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$1,532 to US$5,456. 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.