Altius recorded 309 priced readings of nonstop business-class round trips from San Francisco (SFO) to Tokyo (HND) booked 60 days out, across 139 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$4,707 to US$9,171. The lowest fare Altius scored on this window was US$4,707 for a 2026-09-21 departure, seen on 2026-07-23 — DECENT at the time, 13.8% below the US$5,461 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.