Cheapest return flights from Seattle to Paris in September from $636

Best time to book flights for Seattle (SEA) to Paris (CDG) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Paris (CDG) in September 2025 (see full year).

Return flights

14 Sep - 24 Sep Aer Lingus
02 Sep - 10 Sep Turkish Airlines
26 Sep - 12 Oct Turkish Airlines
26 Sep - 03 Oct jetBlue
02 Sep - 10 Sep Air France direct
26 Sep - 03 Oct Delta direct
26 Sep - 12 Oct Air France direct

Also check the deals for one-way flights from Seattle to Paris in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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