Chicago → Prague flights
Median Chicago to Prague fare is $346 over a 12-day sample; roughly a third of fares sit near that low mark, so book when you see it.
Chicago–Prague fares cluster at $346, with spikes to $472
Key takeaways
- Median fare sits at $346, matching both the low and the 25th percentile
- High end reaches $472, a 36% spread from the low
- Bottom quartile (p25) equals the floor price, meaning cheap fares appear but aren't rare outliers
- Sample size is thin at 12 snapshots, so patterns should be treated as early signal, not certainty
- No single carrier dominance is visible in this dataset, so compare multiple airlines when you shop
30-day price trend
See full numbers and stats on the ORD → PRG price history page.
The full picture
The Chicago–Prague route shows a fairly wide 36% spread between its $346 low and $472 high across the 12 days we tracked. Notably, the median and p25 both land exactly at $346, which suggests that the lower price point isn't a rare fluke — it shows up often enough to pull both the midpoint and the bottom quartile down to the same number. That's a reasonable signal that fares near $346 are attainable with some patience, while the $472 figure likely represents a smaller number of pricier snapshots pulling the top of the range upward.
We don't have enough longitudinal data here to say when in the booking window prices typically soften — 12 snapshots is a short sample, and we can't responsibly generalize about advance-purchase timing from it. What we can say is that if you're tracking this route, seeing a fare at or near $346 is worth acting on, since it aligns with both the median and the lower quartile rather than being an isolated low.
We also don't have reliable carrier-level detail or day-of-week breakdowns in this dataset, so we can't make claims about which airline tends to be cheaper or whether certain departure days trend lower — those patterns may exist, but they're not visible in what we were given. The honest caveat: with only 12 data points, this snapshot is useful for spotting a rough price band ($346–$472) but too thin to treat as a confident seasonal or weekly trend. Treat $346 as a good target price, and view anything approaching $472 as the higher end of normal rather than exceptional.
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Related travel pages
Why we regenerated this article: Top quartile ↑ 36% ($346 → $472). 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.