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

Return flights

03 Dec - 10 Dec	Icelandair
06 Dec - 13 Dec	Icelandair
03 Dec - 07 Dec	Icelandair
03 Dec - 14 Dec	Icelandair
11 Dec - 14 Dec	Icelandair
09 Dec - 16 Dec	Icelandair
12 Dec - 19 Dec	Icelandair
13 Dec - 25 Dec	Icelandair
11 Dec - 16 Dec	Icelandair
28 Dec - 09 Jan	Icelandair
29 Dec - 24 Jan	Icelandair
30 Dec - 13 Jan	British Airways
09 Dec - 16 Dec	Air France	direct
30 Dec - 08 Jan	SWISS
14 Dec - 09 Jan	Scandinavian Airlines
31 Dec - 16 Jan	Air France	direct
15 Dec - 07 Jan	Air Canada
29 Dec - 07 Jan	Austrian Airlines
28 Dec - 09 Jan	Delta	direct
29 Dec - 07 Jan	Air France	direct

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 390€

Return flights