London to Paris — what Altius has recorded

Altius recorded 250 priced readings of nonstop business-class round trips from London (LHR) to Paris (CDG) booked 30 days out, across 121 departure dates between 2026-06-06 and 2026-10-05. Observed fares ran from US$427 to US$576. Every fare Altius recorded for trips booked 30 days out stayed close enough to what this route typically costs that none was flagged.