Every San Francisco–Hong Kong fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/san-francisco-to-hong-kong/#2027-01-30-2027-02-19-PRhttps://flight.deals/flights/san-francisco-to-hong-kong/#2027-01-30-2027-02-19-PRSFO → HKG round-trip on Philippine Airlines, 2027-01-30 to 2027-02-19 (20 nights). Cached fare $452 vs typical $810.Sun, 30 Aug 2026 05:03:17 GMT