Washington → Hong Kong flights

Fares cluster near $535 — treat anything above $600 as overpriced

Key takeaways

• Median fare is $535, and the bottom quartile sits right there at $532 — most days price close to the floor
• Top quartile is just $535 too, meaning the bulk of observed fares are tightly packed near the median
• High outlier of $699 pulls the overall spread to 31%, but it looks like the exception rather than the norm
• Low of $532 suggests limited room below the median — don't expect dramatically cheaper fares to surface
• Only 12 snapshots were sampled, so treat this as a directional read rather than a definitive pattern

30-day price trend

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

The full picture

The data shows a route where most fares are tightly clustered: both the 25th and 75th percentiles sit at $532–$535, essentially on top of the median of $535. That's a strong signal that on a typical day, this is what you should expect to pay. The $699 high is an outlier that pulls the overall spread to 31%, but it's not representative of the bulk of the snapshots — it looks more like a one-off spike (possibly a sold-out low-fare class or a single bad-timing search) than a recurring pattern.

With only 12 daily snapshots, we can't confidently map out a booking curve — there isn't enough history here to say whether prices soften further out or closer to departure. What we can say is that the narrow gap between the low ($532) and the median ($535) means there's little upside to aggressive timing strategies on this route right now. If you see a fare at or near $535, that's consistent with the norm; anything approaching $600 or beyond is drifting into outlier territory based on what we've observed.

We don't have enough visibility into carrier mix or day-of-week patterns to make claims about specific airlines or departure days — the dataset doesn't break out that detail reliably for this route. The honest caveat: a 12-day sample is thin for a long-haul international route like DCA–Hong Kong, and fare environments can shift with fuel surcharges, seasonal demand, or schedule changes. Treat the $535 median as a useful benchmark, not a guarantee, and recheck closer to your travel dates if they're more than a few months out.

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