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

Return flights

15 Oct - 22 Oct	Icelandair
16 Oct - 29 Oct	Icelandair
02 Oct - 09 Oct	Icelandair
22 Oct - 30 Oct	Icelandair
01 Oct - 15 Oct	Icelandair
26 Oct - 15 Nov	Condor
25 Oct - 03 Nov	Condor
07 Oct - 01 Nov	Condor
13 Oct - 17 Oct	Condor
08 Oct - 22 Oct	Aer Lingus
25 Oct - 15 Nov	Condor
17 Oct - 24 Oct	Icelandair
17 Oct - 26 Oct	Icelandair
23 Oct - 02 Nov	Condor
01 Oct - 25 Oct	Icelandair
18 Oct - 08 Nov	Condor
29 Oct - 07 Nov	Aer Lingus
29 Oct - 03 Nov	Condor
24 Oct - 02 Nov	Icelandair
29 Oct - 07 Nov	Air France	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 $432

Return flights