Altius recorded 306 priced readings of nonstop business-class round trips from Newark (EWR) to Brussels (BRU) booked 90 days out, across 137 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$3,491 to US$8,715. The lowest fare Altius scored on this window was US$3,491 for a 2026-12-08 departure, seen on 2026-09-09 — RARE at the time, 37.1% below the US$5,550 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.