San Francisco → Hong Kong flights

SFO–HKG: Target $414 or less, and watch for sub-$320 dips

Key takeaways

• Median fare is $414 across 30 daily snapshots — a reasonable planning anchor for this transpacific route.
• The bottom quartile sits at or below $414 (p25 = p75 overlap note: p25 equals the median here), meaning roughly half of observed fares came in at exactly that level — the distribution is compressed near the middle.
• Floor of $302 was recorded at least once, representing a 27% discount versus the median — worth waiting for if your travel dates are flexible.
• The spread is 81% (low $302 to high $548), one of the wider ranges for a Pacific route, which rewards monitoring fares over time rather than booking on first glance.
• High end reaches $548 — fares at that level should generally be passed on; the data shows cheaper prices do appear within the same 30-day window.

30-day price trend

See full numbers and stats on the SFO → HKG price history page.

The full picture

The $302–$548 range on SFO–HKG is strikingly wide for a single route observed over 30 days. An 81% spread means the most expensive snapshot cost nearly twice the cheapest — that's not noise, it's a signal that timing matters materially here. The median and p25 landing on the same value ($414) suggests a cluster of fares right at that price point, with a meaningful tail extending downward toward $302. In practical terms: $414 is a fair fare, but it's not the floor, and booking the moment you see it may leave savings on the table.

For a long-haul transpacific route like this, pricing tends to be most volatile in the 6–10 week window before departure. Carriers adjust inventory as corporate and premium cabins fill, which can temporarily push economy fares lower to move remaining seats — or higher once a certain threshold sells through. The sub-$350 observations in this dataset are likely capturing those brief softening windows. Setting a fare alert at $350 or below and acting quickly when it triggers is a more reliable strategy than waiting for any particular day of the week, which this dataset does not support as a driver.

No dominant carrier is identifiable from the data provided, so fare-engine or alliance-specific advice would be speculative here. What the data does support: avoid fares above $480 (upper quartile territory) unless your dates are fixed and departure is imminent. One honest caveat — 30 snapshots reflect a specific 30-day observation window, not a full calendar year. Seasonal demand shifts around Lunar New Year, summer, and Golden Week holidays in Hong Kong can compress or eliminate that low-end tail entirely; this guidance is most applicable outside those peak periods.

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