Altius recorded 311 priced readings of nonstop business-class round trips from Dallas (DFW) to Monterrey (MTY) booked 90 days out, across 139 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$839 to US$1,933. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.