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

Return flights

28 Dec - 11 Jan	Brussels Airlines
29 Dec - 12 Jan	Brussels Airlines
05 Dec - 08 Dec	Icelandair
02 Dec - 10 Dec	Icelandair
11 Dec - 16 Dec	United
11 Dec - 15 Dec	Delta
28 Dec - 12 Jan	KLM
02 Dec - 09 Dec	jetBlue
02 Dec - 14 Dec	Frontier Airlines
27 Dec - 07 Jan	Frontier Airlines
30 Dec - 02 Jan	Brussels Airlines
13 Dec - 26 Dec	jetBlue
15 Dec - 17 Dec	Frontier Airlines
17 Dec - 30 Dec	Frontier Airlines
29 Dec - 02 Jan	Frontier Airlines
19 Dec - 02 Jan	Frontier Airlines
31 Dec - 07 Jan	Air France
19 Dec - 31 Dec	Frontier Airlines
20 Dec - 01 Jan	Frontier Airlines
30 Dec - 03 Jan	Brussels Airlines

Also check the deals for one-way flights from Denver to Paris in December.

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 December from 495€

Return flights