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

Return flights

09 Dec - 15 Dec	Icelandair
04 Dec - 10 Dec	Icelandair
11 Dec - 15 Dec	Scandinavian Airlines
05 Dec - 13 Dec	Icelandair
05 Dec - 10 Dec	Icelandair
01 Dec - 05 Dec	Icelandair
05 Dec - 07 Dec	Icelandair
01 Dec - 08 Dec	Icelandair
07 Dec - 14 Dec	Icelandair
04 Dec - 09 Dec	Icelandair
27 Dec - 17 Jan	Lufthansa
30 Dec - 21 Jan	United
13 Dec - 10 Jan	Air France
24 Dec - 17 Jan	Air France
12 Dec - 11 Jan	United
13 Dec - 11 Jan	United
28 Dec - 09 Jan	SWISS
25 Dec - 17 Jan	Icelandair
13 Dec - 11 Jan	Delta	direct
15 Dec - 10 Jan	Icelandair

Also check the deals for one-way flights from Washington 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 Washington to Paris in December from 390€

Return flights