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

Return flights

08 Dec - 17 Jan	Icelandair
09 Dec - 14 Jan	Icelandair
09 Dec - 18 Jan	Icelandair
10 Dec - 24 Dec	Lufthansa
10 Dec - 14 Jan	Lufthansa
07 Dec - 16 Dec	Lufthansa	direct
03 Dec - 10 Dec	SWISS
09 Dec - 16 Dec	Lufthansa	direct
10 Dec - 16 Dec	Icelandair
02 Dec - 09 Dec	Icelandair
31 Dec - 16 Jan	Air France	direct
09 Dec - 14 Jan	Delta	direct
10 Dec - 14 Dec	Lufthansa
07 Dec - 13 Dec	Lufthansa
02 Dec - 16 Dec	Brussels Airlines
05 Dec - 12 Dec	Lufthansa
30 Dec - 13 Jan	Aer Lingus
10 Dec - 14 Jan	Brussels Airlines	direct
31 Dec - 10 Jan	Lufthansa
09 Dec - 11 Jan	Brussels Airlines

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.

Book a cheap hotel in Paris

Cheap car rent in Paris

Cheapest return flights from Chicago to Paris in December from 394€

Return flights