Altius recorded 251 priced readings of nonstop business-class round trips from London (LHR) to Paris (CDG) booked 90 days out, across 121 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$394 to US$656. The lowest fare Altius scored on this window was US$435 for a 2026-10-25 departure, seen on 2026-07-27 — DECENT at the time, 11% below the US$489 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.