Seattle → Hong Kong flights

Target $420 on SEA–HKG — the low end holds near $406

Key takeaways

• Median fare is $420, based on 30 daily snapshots of the cheapest cached fares on this route.
• The bottom quartile sits between $406 and $416 — a tight $10 band, meaning genuine low fares are available but don't last long.
• The top quartile jumps to $546–$563, a roughly 30% premium over median, so waiting too long carries real cost.
• A 39% spread between low and high ($406 vs. $563) is substantial for a transpacific route, indicating meaningful fare volatility worth monitoring.
• No dominant carrier was identifiable in this dataset, so comparing multiple airlines rather than defaulting to one is especially worthwhile here.

30-day price trend

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

The full picture

The Seattle–Hong Kong route shows a notably wide price range across our 30-day snapshot window. With a low of $406 and a high of $563, the gap between the best and worst fares on any given day is $157 — a 39% spread that's meaningful on a transpacific itinerary. The good news is that the bottom quartile is tightly clustered: 25% of observed fares came in between $406 and $416, which tells you the floor is real and not a one-off anomaly. If you can land in that band, you're doing well.

On a long-haul route like SEA–HKG, the booking window typically matters more than on shorter domestic hops. General industry patterns suggest the 6–10 week window ahead of departure tends to offer more competitive pricing than either last-minute or very far-out booking, though our 30-day fare snapshot doesn't directly measure booking lead time. What the data does show is that fares above $500 — the p75 threshold — appear with enough frequency that procrastinating carries a genuine risk of paying a 30% premium. Treat $420 as your baseline target and $416 as a signal that conditions are favorable.

Because no single dominant carrier emerged from this dataset, this is a route where shopping across multiple airlines and booking platforms is particularly valuable. Don't anchor to one carrier's fare alerts alone. One honest caveat: these 30 snapshots capture a single rolling window and may reflect a specific season or demand period. Fares on transpacific routes can shift materially around holidays, school breaks, and geopolitical events, none of which this dataset can account for.

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