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.