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

Return flights

03 Dec - 07 Dec	Icelandair
03 Dec - 12 Dec	Icelandair
12 Dec - 10 Jan	Icelandair
03 Dec - 10 Dec	Icelandair
06 Dec - 13 Dec	Icelandair
10 Dec - 17 Dec	Air Canada
01 Dec - 17 Dec	Air Canada
29 Dec - 09 Jan	Icelandair
30 Dec - 08 Jan	Air Canada
24 Dec - 14 Jan	Icelandair
28 Dec - 09 Jan	Icelandair
12 Dec - 19 Dec	Icelandair
12 Dec - 18 Dec	Icelandair
11 Dec - 14 Dec	Icelandair
01 Dec - 06 Dec	Scandinavian Airlines
27 Dec - 09 Jan	Air Canada
24 Dec - 10 Jan	Icelandair
29 Dec - 07 Jan	Air Canada
27 Dec - 07 Jan	Air Canada
26 Dec - 17 Jan	Icelandair

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 $431

Return flights