Altius recorded 234 priced readings of nonstop business-class round trips from London (LHR) to Tampa (TPA) booked 30 days out, across 113 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$4,001 to US$15,494. The lowest fare Altius scored on this window was US$4,001 for a 2026-10-09 departure, seen on 2026-09-09 — RARE at the time, 30.1% below the US$5,724 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.