Altius recorded 265 priced readings of nonstop business-class round trips from Dallas (DFW) to Helsinki (HEL) booked 60 days out, across 132 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$4,745 to US$9,908. The lowest fare Altius scored on this window was US$4,745 for a 2026-08-25 departure, seen on 2026-06-26 — DECENT at the time, 14.5% 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.