Altius recorded 250 priced readings of nonstop business-class round trips from London (LHR) to Prague (PRG) booked 30 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$459 to US$996. The lowest fare Altius scored on this window was US$459 for a 2026-10-27 departure, seen on 2026-09-27 — STRONG at the time, 15.5% below the US$543 this route was typically running that day.
Altius recorded 251 priced readings of nonstop business-class round trips from London (LHR) to Prague (PRG) booked 60 days out, across 121 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$368 to US$905. The lowest fare Altius scored on this window was US$368 for a 2026-11-24 departure, seen on 2026-09-25 — IMPRESSIVE at the time, 23.2% below the US$479 this route was typically running that day.
Altius recorded 249 priced readings of nonstop business-class round trips from London (LHR) to Prague (PRG) booked 90 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$364 to US$957. The lowest fare Altius scored on this window was US$364 for a 2026-09-22 departure, seen on 2026-06-24 — STRONG at the time, 15.3% below the US$430 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.