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

Return flights

02 Oct - 05 Oct	Icelandair
03 Oct - 06 Oct	Frontier Airlines
04 Oct - 24 Oct	Aer Lingus
02 Oct - 11 Oct	jetBlue
09 Oct - 14 Oct	jetBlue
10 Oct - 13 Oct	Frontier Airlines
25 Oct - 30 Oct	Frontier Airlines
02 Oct - 16 Oct	TAP
29 Oct - 12 Nov	TAP
20 Oct - 27 Oct	TAP

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 $535

Return flights