Seattle → Paris flights

Seattle–Paris: target $344 or less on a 51% price spread

Key takeaways

• Median fare was $351 across 30 daily snapshots — a solid benchmark for gauging whether a fare you see is reasonable.
• Bottom quartile fares came in at $344 or below — so roughly one in four snapshots showed prices at or under that level.
• The low recorded was $287, roughly 18% below the median, suggesting real savings are available but not guaranteed.
• A 51% spread between low ($287) and high ($433) indicates this route has meaningful price volatility — worth monitoring over time rather than booking on first glance.
• The top quartile started at $425, so if you're seeing fares above that, you're likely in above-average pricing territory.

30-day price trend

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

The full picture

The Seattle–Paris route shows a healthy degree of fare variability: a 51% spread between the lowest ($287) and highest ($433) recorded cheapest fares across 30 days means the price you pay depends significantly on when you happen to check. The median of $351 and a p25 of $344 sitting very close together suggest that while occasional dips do occur, the floor isn't dramatically lower than the typical going rate — you're hunting a roughly $60 discount from median when conditions are right, not a half-price miracle.

For booking timing, the data doesn't pin down a specific advance-purchase sweet spot by day or week, but the concentration of fares in the $344–$425 range (the interquartile band) implies that most shoppers checking on any given day will land somewhere in that corridor. The sub-$300 fares that push the low to $287 appear to be genuine outliers — worth setting a fare alert for rather than waiting passively. As a transatlantic route with connection options through multiple European hubs, SEA–CDG pricing tends to respond to seat inventory and competing carrier promotions, so revisiting your search over a two-to-three week window before committing is a reasonable strategy.

One honest caveat: 30 daily snapshots reflect cached cheapest fares at the moment each was recorded, not a complete picture of all available inventory or booking-class depth. The $287 low, for example, may reflect a brief sale window or a single discounted fare class that sold out quickly. Treat the p25 of $344 as a more reliably achievable target and the median of $351 as a fair fallback, rather than anchoring expectations to the absolute floor.

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