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

Return flights

19 Oct - 27 Oct	Condor
07 Oct - 01 Nov	Condor
29 Oct - 07 Nov	Aer Lingus
06 Oct - 15 Oct	Condor
25 Oct - 03 Nov	Condor
23 Oct - 26 Oct	Condor
15 Oct - 29 Oct	Condor
04 Oct - 18 Oct	Condor
16 Oct - 29 Oct	Condor
11 Oct - 18 Oct	Condor
01 Oct - 15 Oct	Condor
31 Oct - 07 Nov	WestJet
08 Oct - 14 Oct	Scandinavian Airlines
03 Oct - 12 Oct	Scandinavian Airlines
29 Oct - 07 Nov	Air France	direct
31 Oct - 07 Nov	Air France	direct
25 Oct - 03 Nov	Virgin Atlantic	direct

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

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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Cheapest return flights from Seattle to Paris in October from 495€

Return flights