Altius recorded 227 priced readings of nonstop business-class round trips from London (LHR) to Rio de Janeiro (GIG) booked 30 days out, across 111 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$5,384 to US$16,035. The lowest fare Altius scored on this window was US$5,732 for a 2026-08-12 departure, seen on 2026-07-13 — RARE at the time, 30.6% below the US$8,259 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.