Altius recorded 90 priced readings of nonstop business-class round trips from Paris (CDG) to Toronto (YYZ) booked 30 days out, across 45 departure dates between 2026-08-19 and 2026-10-04. Observed fares ran from US$3,551 to US$11,027. The lowest fare Altius scored on this window was US$3,551 for a 2026-11-02 departure, seen on 2026-10-03 — IMPRESSIVE at the time, 28.3% below the US$4,953 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.