Altius recorded 195 priced readings of nonstop business-class round trips from London (LHR) to Zagreb (ZAG) booked 30 days out, across 96 departure dates between 2026-06-06 and 2026-10-03. Observed fares ran from US$481 to US$1,373. The lowest fare Altius scored on this window was US$481 for a 2026-10-09 departure, seen on 2026-09-09 — IMPRESSIVE at the time, 26.3% below the US$653 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.