Altius recorded 250 priced readings of nonstop business-class round trips from London (LHR) to Copenhagen (CPH) booked 30 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$414 to US$1,098. The lowest fare Altius scored on this window was US$435 for a 2026-10-05 departure, seen on 2026-09-05 — STRONG at the time, 19.7% below the US$542 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.