Altius recorded 296 priced readings of nonstop business-class round trips from Dallas (DFW) to Sydney (SYD) booked 90 days out, across 133 departure dates between 2026-05-20 and 2026-10-05. Observed fares ran from US$7,569 to US$26,230. The lowest fare Altius scored on this window was US$7,569 for a 2026-10-19 departure, seen on 2026-07-21 — LEGENDARY at the time, 50% below the US$15,138 this route was typically running that day.
A fare can move between our two readings of the same day, most often on the days furthest below typical. Where a day's two readings differ enough to matter, the chart marks that day and both readings can be read separately.