Cheapest return flights from Seattle to Paris in September from $501

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

06 Sep - 15 Sep Icelandair
08 Sep - 23 Sep Aer Lingus
09 Sep - 23 Sep Aer Lingus
01 Sep - 08 Sep British Airways
11 Sep - 18 Sep Condor
17 Sep - 03 Oct Aer Lingus
12 Sep - 26 Sep Aer Lingus
21 Sep - 04 Oct Aer Lingus
09 Sep - 23 Sep Air France direct
17 Sep - 03 Oct Air France direct
12 Sep - 26 Sep Air France direct
11 Sep - 18 Sep Air France direct
08 Sep - 23 Sep 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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