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Median DCA to Osaka fare is $668 over the last 30 days (19 days with a fare); book when quotes sit near that median rather than chasing the lowest outlier.
Written from this route's 30-day price index (19 daily samples). Article last regenerated Oct 31, 2026.
See full numbers and stats on the DCA → KIX price history page.
The data shows a wide range for DCA to Osaka (KIX), from a low of $595 to a high of $958, with the median settling at $668. A 61% spread is substantial — it tells us fares on this route swing significantly rather than hovering tightly around one price point. That means travelers who see something near or below the $668 median are likely looking at a reasonably good fare, while anything pushing toward $958 is in the expensive upper quarter of what's been observed.
We don't have enough granularity in this dataset to pinpoint exactly when within a booking horizon prices soften — the sample only captures 19 of the last 30 days, which limits how confidently we can describe timing trends. What we can say is that the bulk of observed fares (the middle half, from $668 to $958) still leans high relative to the $595 floor, suggesting the cheapest fares are the exception rather than the rule on this route right now. If you're flexible, it's worth monitoring prices over a few weeks rather than booking at the first quote you see, since the gap between typical and low fares is large enough to be worth waiting for.
No clear day-of-week or carrier pattern is visible in this data, so we can't responsibly recommend specific departure days or airlines. The honest caveat: with only 19 sampled days out of a 30-day window, this snapshot is thinner than ideal for a route with this much price variability, and the true distribution of fares could shift as more data comes in.
Why we regenerated this article: Price spread widened by 18 points. We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.
AI-authored from this route's 30-day price index. Article last regenerated Oct 31, 2026. Fares shift continuously — confirm at booking.