Altius recorded 309 priced readings of nonstop business-class round trips from Miami (MIA) to Zurich (ZRH) booked 30 days out, across 138 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$4,566 to US$12,374. The lowest fare Altius scored on this window was US$4,566 for a 2026-08-23 departure, seen on 2026-07-24 — LEGENDARY at the time, 47.4% below the US$8,681 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.