Altius recorded 302 priced readings of nonstop business-class round trips from San Francisco (SFO) to Singapore (SIN) booked 30 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,081 to US$17,212. Every fare Altius recorded for trips booked 30 days out stayed close enough to what this route typically costs that none was flagged.
Altius recorded 306 priced readings of nonstop business-class round trips from San Francisco (SFO) to Singapore (SIN) booked 60 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$6,081 to US$17,687. Every fare Altius recorded for trips booked 60 days out stayed close enough to what this route typically costs that none was flagged.
Altius recorded 304 priced readings of nonstop business-class round trips from San Francisco (SFO) to Singapore (SIN) booked 90 days out, across 137 departure dates between 2026-05-20 and 2026-10-04. Observed fares ran from US$5,697 to US$17,690. Every fare Altius recorded for trips booked 90 days out stayed close enough to what this route typically costs that none was flagged.