Altius recorded 212 priced readings of nonstop business-class round trips from Frankfurt (FRA) to Bangkok (BKK) booked 90 days out, across 107 departure dates between 2026-06-21 and 2026-10-05. Observed fares ran from US$2,914 to US$6,939. The lowest fare Altius scored on this window was US$2,914 for a 2026-12-09 departure, seen on 2026-09-10 — STRONG at the time, 16.4% below the US$3,486 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.