Altius recorded 309 priced readings of nonstop business-class round trips from Chicago (ORD) to Tokyo (HND) booked 30 days out, across 138 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$5,350 to US$11,354. The lowest fare Altius scored on this window was US$5,350 for a 2026-07-27 departure, seen on 2026-06-27 — DECENT at the time, 14.3% below the US$6,243 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.