Altius recorded 198 priced readings of nonstop business-class round trips from Frankfurt (FRA) to Tokyo (NRT) booked 30 days out, across 100 departure dates between 2026-06-21 and 2026-10-04. Observed fares ran from US$3,215 to US$10,163. The lowest fare Altius scored on this window was US$3,215 for a 2026-11-02 departure, seen on 2026-10-03 — RARE at the time, 43.8% below the US$5,721 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.