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

Return flights

31 Dec - 13 Jan	Icelandair
31 Dec - 15 Jan	Icelandair
30 Dec - 13 Jan	Brussels Airlines
31 Dec - 16 Jan	United
28 Dec - 11 Jan	Air Canada
31 Dec - 08 Jan	Icelandair
30 Dec - 08 Jan	Air Canada
27 Dec - 12 Jan	Air Canada
25 Dec - 12 Jan	Air Canada
31 Dec - 07 Jan	Austrian Airlines
24 Dec - 27 Dec	Scandinavian Airlines
18 Dec - 23 Dec	Air Canada
23 Dec - 30 Dec	KLM
23 Dec - 29 Dec	Air Canada
17 Dec - 21 Dec	Lufthansa
21 Dec - 27 Dec	Air Canada
21 Dec - 28 Dec	Air Canada
28 Dec - 31 Dec	Air Canada
19 Dec - 23 Dec	Lufthansa
22 Dec - 28 Dec	Arajet

Also check the deals for one-way flights from Chicago 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 Chicago to Paris in December from $428

Return flights