Altius recorded 308 priced readings of nonstop business-class round trips from Dallas (DFW) to São Paulo (GRU) booked 30 days out, across 137 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$6,388 to US$14,563. The lowest fare Altius scored on this window was US$6,388 for a 2026-06-29 departure, seen on 2026-05-30 — DECENT at the time, 11.9% below the US$7,251 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.