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

Return flights

01 Dec - 10 Dec	Scandinavian Airlines
27 Dec - 08 Jan	Scandinavian Airlines
13 Dec - 27 Dec	Scandinavian Airlines
05 Dec - 12 Dec	Scandinavian Airlines
30 Dec - 08 Jan	Air Canada
30 Dec - 06 Jan	United
05 Dec - 12 Dec	Delta	direct
22 Dec - 29 Dec	Air Canada
25 Dec - 29 Dec	Air Canada
01 Dec - 10 Dec	Brussels Airlines	direct
20 Dec - 27 Dec	Air Canada
24 Dec - 02 Jan	Icelandair
26 Dec - 02 Jan	Icelandair
21 Dec - 27 Dec	Lufthansa
13 Dec - 27 Dec	Air France	direct
25 Dec - 01 Jan	Brussels Airlines	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 $362

Return flights