Chicago → Paris flights

Chicago to Paris: target $369–$382 and book well ahead

Key takeaways

• Median fare is $382, with the middle 50% of observed prices clustered tightly between $369 and $382 — a spread of just $13.
• The floor sits at $346, but that's the single lowest snapshot across 17 days, not a reliable recurring price.
• The ceiling reached $460 — about 20% above median — suggesting meaningful upside risk if you wait too long.
• A 33% spread (low to high) signals real price volatility on this route despite the narrow interquartile band.
• With only 17 daily samples, these figures are directionally useful but should be treated as a pricing signal, not a guarantee.

30-day price trend

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

The full picture

The ORD–CDG data tells a clear story at the center: most days, the cheapest available fare lands right around $382, and half of all observed prices fell between $369 and $382 — a remarkably tight $13 band. That interquartile compression suggests fares in this range aren't flukes; they represent the market's baseline when inventory is reasonably available. The $346 floor is real but rare, appearing in just one or two snapshots, so chasing it as a target is a low-percentage strategy.

The more important figure may be the $460 ceiling — 20% above median — because it tells you what happens when you delay. A 33% spread from low to high is meaningful on a transatlantic route, and while the middle of the distribution is stable, the tail risk is real. The practical implication: if you're seeing fares in the $369–$382 range, that's consistent with what this market normally offers, and there's limited evidence that waiting produces meaningfully better prices while there's clear evidence it can produce worse ones. Booking 6–10 weeks out for a transatlantic itinerary is a common rule of thumb, and nothing in this data contradicts it.

Carrier and day-of-week patterns aren't visible in the current dataset, so no claims can be made there. One honest caveat: with 17 daily snapshots rather than a full 30-day window, these statistics are directionally sound but carry more uncertainty than a fuller dataset would. Treat the $369–$382 band as a credible target zone, not a precise forecast, and check fares across at least 2–3 travel dates before committing.

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