Altius recorded 211 priced readings of nonstop business-class round trips from Frankfurt (FRA) to Houston (IAH) booked 30 days out, across 107 departure dates between 2026-06-21 and 2026-10-05. Observed fares ran from US$5,201 to US$9,477. Every fare Altius recorded for trips booked 30 days out stayed close enough to what this route typically costs that none was flagged.