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

Return flights

03 Dec - 10 Dec	Icelandair
23 Dec - 30 Dec	United
08 Dec - 15 Dec	Icelandair
13 Dec - 20 Dec	Icelandair
28 Dec - 12 Jan	Lufthansa
25 Dec - 08 Jan	United
22 Dec - 05 Jan	British Airways
18 Dec - 25 Dec	United

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 708€

Return flights