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

Return flights

24 Oct - 07 Nov	Icelandair
11 Oct - 21 Oct	Icelandair
15 Oct - 22 Oct	Icelandair
15 Oct - 21 Oct	Icelandair
01 Oct - 07 Oct	Icelandair
01 Oct - 25 Oct	Icelandair
17 Oct - 08 Nov	Air Canada
31 Oct - 07 Nov	United
08 Oct - 01 Nov	United
31 Oct - 14 Nov	United
10 Oct - 01 Nov	Air Canada
10 Oct - 19 Oct	Air Canada
14 Oct - 21 Oct	KLM
11 Oct - 17 Oct	Condor
09 Oct - 20 Oct	KLM

Also check the deals for one-way flights from Portland 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 Portland to Paris in October from $548

Return flights