Altius recorded 314 priced readings of nonstop business-class round trips from Atlanta (ATL) to CancĂșn (CUN) booked 60 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$1,135 to US$2,231. The lowest fare Altius scored on this window was US$1,135 for a 2026-12-01 departure, seen on 2026-10-02 â STRONG at the time, 16.2% below the US$1,354 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.