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Chicago → Osaka flights

Chicago–Osaka fares show a $422 median across recent snapshots; most fares cluster low, with occasional spikes above $800.

Median fare $422 — but outlier spikes to $844 lurk

Key takeaways

$422 median fare, and it's also the low and the bottom-quartile (p25) figure — meaning most observed fares sit right at this floor
75% of fares were $550 or below, suggesting $422–$550 is the realistic planning range
High of $844 shows occasional spikes roughly double the median — likely tied to specific dates or limited availability
100% spread is wide, but driven by a small number of high outliers rather than a steadily rising curve
Sample size is thin (12 days), so treat patterns as directional, not definitive

30-day price trend

ORD → KIX · cheapest cached fare per day · last 13 days · ↑ 53%

$422 low$844 high

See full numbers and stats on the ORD → KIX price history page.

The full picture

The data shows a $422 median fare for Chicago–Osaka, and notably, that figure matches both the low and the 25th percentile — meaning a large share of observed fares were clustered right at the floor. The 75th percentile sits at $550, so most of the price distribution falls in a fairly tight $422–$550 band. The outlier is the $844 high, which roughly doubles the median and is likely a one-off or date-specific spike rather than typical pricing.

With only 12 snapshots, this dataset is too thin to map a reliable booking-window curve — we can't say with confidence whether prices soften or firm up as departure approaches. What we can say is that the bulk of fares observed were at or near $422, which is an encouraging sign that the low end isn't rare or fleeting. If you see something close to that median, the data suggests you're getting a representative deal rather than needing to wait for a rarer discount.

No carrier information was visible in this dataset, so we can't speak to airline-specific patterns or whether one carrier is driving the low cluster versus the high outlier. The honest caveat here is twofold: the 100% spread looks dramatic, but it's shaped by a small number of data points, and a sample of 12 days is not enough to generalize about seasonal trends or optimal booking timing with real confidence. Treat the $422–$550 range as your practical target, and view anything near $844 as an anomaly rather than the norm.

Ready to look at fares?

Search ORD → KIX on Aviasales →See the price history →

Related travel pages

Why we regenerated this article: Median fare ↓ 23% ($550 → $422). 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 10, 2026. Fares shift continuously — confirm at booking.