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

Return flights

02 Oct - 11 Oct	Icelandair
12 Oct - 26 Oct	Icelandair
12 Oct - 21 Oct	Icelandair
15 Oct - 29 Oct	Scandinavian Airlines
12 Oct - 19 Oct	Icelandair
22 Oct - 29 Oct	Icelandair
02 Oct - 09 Oct	Icelandair
27 Oct - 03 Nov	United
17 Oct - 24 Oct	United
02 Oct - 09 Oct	Air France	direct

Also check the deals for one-way flights from Denver 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 Denver to Paris in October from $605

Return flights