Altius recorded 300 priced readings of nonstop business-class round trips from San Francisco (SFO) to Amsterdam (AMS) booked 30 days out, across 136 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,655 to US$12,501. The lowest fare Altius scored on this window was US$3,655 for a 2026-08-12 departure, seen on 2026-07-13 — STRONG at the time, 18.4% below the US$4,479 this route was typically running that day.
Altius recorded 302 priced readings of nonstop business-class round trips from San Francisco (SFO) to Amsterdam (AMS) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$4,000 to US$10,202. The lowest fare Altius scored on this window was US$4,000 for a 2026-11-18 departure, seen on 2026-09-19 — RARE at the time, 30.4% below the US$5,747 this route was typically running that day.
Altius recorded 302 priced readings of nonstop business-class round trips from San Francisco (SFO) to Amsterdam (AMS) booked 90 days out, across 136 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$3,910 to US$9,451. The lowest fare Altius scored on this window was US$3,910 for a 2026-10-22 departure, seen on 2026-07-24 — STRONG at the time, 20.1% below the US$4,894 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.