Altius recorded 295 priced readings of nonstop business-class round trips from Boston (BOS) to Hong Kong (HKG) booked 30 days out, across 133 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,612 to US$22,344. The lowest fare Altius scored on this window was US$6,612 for a 2026-09-28 departure, seen on 2026-08-29 — IMPRESSIVE at the time, 28.4% below the US$9,235 this route was typically running that day.
Altius recorded 306 priced readings of nonstop business-class round trips from Boston (BOS) to Hong Kong (HKG) booked 60 days out, across 138 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,603 to US$15,556. The lowest fare Altius scored on this window was US$6,603 for a 2026-09-22 departure, seen on 2026-07-24 — STRONG at the time, 18.2% below the US$8,072 this route was typically running that day.
Altius recorded 307 priced readings of nonstop business-class round trips from Boston (BOS) to Hong Kong (HKG) booked 90 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,594 to US$18,661. The lowest fare Altius scored on this window was US$6,594 for a 2026-10-14 departure, seen on 2026-07-16 — STRONG at the time, 15.7% below the US$7,822 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.