Altius recorded 250 priced readings of nonstop business-class round trips from London (LHR) to Amsterdam (AMS) booked 90 days out, across 120 departure dates between 2026-06-06 and 2026-10-04. Observed fares ran from US$376 to US$635. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.