Altius recorded 179 priced readings of nonstop business-class round trips from Frankfurt (FRA) to Calgary (YYC) booked 60 days out, across 90 departure dates between 2026-06-21 and 2026-10-04. Observed fares ran from US$2,663 to US$6,856. The lowest fare Altius scored on this window was US$2,663 for a 2026-09-14 departure, seen on 2026-07-16 — RARE at the time, 37.2% below the US$4,240 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.