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

One-Way flights

10 Dec	Frontier Airlines
12 Dec	Frontier Airlines
18 Dec	Frontier Airlines
09 Dec	Frontier Airlines
07 Dec	Frontier Airlines
05 Dec	Frontier Airlines
14 Dec	Frontier Airlines
15 Dec	Frontier Airlines
03 Dec	Frontier Airlines
13 Dec	Frontier Airlines

Also check the deals for return 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 one-way flights from Washington to Paris in December from 229€

One-Way flights