Cheapest return flights from Seattle to Paris in September from $681

AirHint found the following cheapest return flights from Seattle (SEA) to Paris (CDG) in September 2026 (see full year).

Return flights

12 Sep - 29 Sep Scandinavian Airlines
15 Sep - 30 Sep Scandinavian Airlines
15 Sep - 22 Sep Scandinavian Airlines
07 Sep - 21 Sep Turkish Airlines
15 Sep - 22 Sep Delta direct

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

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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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