Altius recorded 251 priced readings of nonstop business-class round trips from London (LHR) to Dallas (DFW) booked 30 days out, across 121 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$5,827 to US$11,455. The lowest fare Altius scored on this window was US$5,909 for a 2026-08-27 departure, seen on 2026-07-28 — DECENT at the time, 14.5% below the US$6,911 this route was typically running that day.
Altius recorded 249 priced readings of nonstop business-class round trips from London (LHR) to Dallas (DFW) booked 60 days out, across 121 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$4,390 to US$11,930. The lowest fare Altius scored on this window was US$4,390 for a 2026-11-20 departure, seen on 2026-09-21 — IMPRESSIVE at the time, 28.6% below the US$6,148 this route was typically running that day.
Altius recorded 247 priced readings of nonstop business-class round trips from London (LHR) to Dallas (DFW) booked 90 days out, across 121 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$4,351 to US$11,906. The lowest fare Altius scored on this window was US$4,351 for a 2026-12-23 departure, seen on 2026-09-24 — IMPRESSIVE at the time, 27.8% below the US$6,026 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.