San Francisco → Paris flights

SFO→CDG: Target $365–$375 and book well in advance

Key takeaways

• The median fare is $375, with the middle 50% of observed prices falling in a narrow $365–$383 band.
• The absolute range across 30 snapshots spans just $350–$421, a spread of roughly 20% — tight by transatlantic standards.
• Hitting the p25 floor of $365 is a realistic target; it appeared in the bottom quarter of all 30 daily observations.
• The $421 high represents an outlier ceiling — fares that drift toward this level are worth avoiding if your travel dates are flexible.
• With such a compressed spread, timing precision matters less than simply booking early before inventory tightens and base fares step up.

30-day price trend

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

The full picture

The San Francisco–Paris route shows unusually stable pricing across our 30-day snapshot window. With a median of $375 and the central half of all observations landing between $365 and $383, you're looking at an $18 interquartile range — remarkably narrow for a ~5,500-mile transatlantic crossing. The 20% overall spread (low $350, high $421) is present but driven largely by a handful of elevated outliers near the top; the bulk of pricing lives well below $390. That stability is actually useful information: it tells you this route isn't prone to dramatic flash sales, but it also isn't quietly creeping upward day by day. The floor is real and reachable.

On booking timing, transatlantic routes to Paris from the West Coast historically price most competitively in the 6–12 week advance window, before airlines begin pulling lower inventory buckets as departure approaches. Nothing in this dataset contradicts that general pattern — the $350 low and the tight cluster near $365–$375 suggest that patient, moderately early bookers are the ones landing these fares rather than last-minute buyers. If you see a fare at or below $370, the data suggests that's solidly in the bottom quartile of what this route has been offering, and waiting for something materially cheaper is a low-probability bet.

One honest caveat: 30 daily snapshots capture a single slice of the booking calendar and don't tell us which departure months or fare classes produced the low versus high observations. Seasonal demand — summer travel to Paris commands a premium, shoulder seasons do not — can shift this entire distribution by $100 or more. Treat $375 as a reliable reference point for the conditions under which this data was collected, not as a year-round guarantee.

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