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

Return flights

31 Dec - 13 Jan	TAP
07 Dec - 14 Dec	TAP
07 Dec - 16 Dec	TAP
13 Dec - 10 Jan	Frontier Airlines
08 Dec - 15 Dec	TAP
14 Dec - 11 Jan	Frontier Airlines
10 Dec - 17 Dec	Aer Lingus
16 Dec - 16 Jan	Frontier Airlines
12 Dec - 11 Jan	Aer Lingus
14 Dec - 28 Dec	Frontier Airlines
26 Dec - 11 Jan	Frontier Airlines
11 Dec - 11 Jan	Frontier Airlines
25 Dec - 11 Jan	Frontier Airlines
11 Dec - 18 Dec	Aer Lingus
17 Dec - 12 Jan	Aer Lingus
10 Dec - 19 Dec	Royal Air Maroc
17 Dec - 11 Jan	Frontier Airlines
14 Dec - 16 Dec	TAP
12 Dec - 17 Dec	Aer Lingus
17 Dec - 24 Dec	Frontier Airlines

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 528€

Return flights