Altius recorded 296 priced readings of nonstop business-class round trips from New York (JFK) to Athens (ATH) booked 90 days out, across 133 departure dates between 2026-05-20 and 2026-09-29. Observed fares ran from US$3,441 to US$15,841. The lowest fare Altius scored on this window was US$3,441 for a 2026-12-21 departure, seen on 2026-09-22 — LEGENDARY at the time, 50.7% below the US$6,980 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.