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

Return flights

04 Dec - 11 Dec	Scandinavian Airlines
11 Dec - 17 Dec	Lufthansa
03 Dec - 09 Dec	jetBlue
28 Dec - 12 Jan	jetBlue
28 Dec - 11 Jan	jetBlue
11 Dec - 23 Dec	Scandinavian Airlines
11 Dec - 10 Jan	Icelandair
11 Dec - 09 Jan	Frontier Airlines
14 Dec - 28 Dec	Scandinavian Airlines
02 Dec - 09 Dec	Icelandair
05 Dec - 12 Dec	Icelandair
13 Dec - 14 Dec	American Airlines
08 Dec - 15 Dec	Icelandair
11 Dec - 18 Dec	Icelandair
20 Dec - 16 Jan	jetBlue
20 Dec - 02 Jan	Icelandair
24 Dec - 03 Jan	Icelandair
22 Dec - 03 Jan	Icelandair
29 Dec - 05 Jan	Icelandair

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 $601

Return flights