Altius recorded 117 priced readings of nonstop business-class round trips from London (LGW) to Boston (BOS) booked 30 days out, across 56 departure dates between 2026-06-06 and 2026-08-01. Observed fares ran from US$3,555 to US$7,755. The lowest fare Altius scored on this window was US$3,790 for a 2026-07-18 departure, seen on 2026-06-18 — STRONG at the time, 17.3% below the US$4,583 this route was typically running that day. Altius has not seen a nonstop business-class round trip on this route since 2026-08-01. The record above is what was observed while fares were being returned. Routes drop out of schedules and come back, so it is worth checking again.
Altius recorded 62 priced readings of nonstop business-class round trips from London (LGW) to Boston (BOS) booked 60 days out, across 26 departure dates between 2026-06-06 and 2026-07-02. Observed fares ran from US$3,600 to US$4,909. Every fare Altius recorded for trips booked 60 days out stayed close enough to what this route typically costs that none was flagged. Altius has not seen a nonstop business-class round trip on this route since 2026-07-02. The record above is what was observed while fares were being returned. Routes drop out of schedules and come back, so it is worth checking again.
Altius recorded 4 priced readings of nonstop business-class round trips from London (LGW) to Boston (BOS) booked 90 days out, across 2 departure dates between 2026-06-06 and 2026-06-07. Observed fares ran from US$4,815 to US$5,633. Altius has not seen a nonstop business-class round trip on this route since 2026-06-07. The record above is what was observed while fares were being returned. Routes drop out of schedules and come back, so it is worth checking again.
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.