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

Return flights

07 Dec - 14 Dec	TAP
03 Dec - 10 Dec	TAP
03 Dec - 12 Dec	TAP
03 Dec - 07 Dec	TAP
07 Dec - 13 Dec	TAP
10 Dec - 14 Dec	TAP
10 Dec - 17 Dec	TAP
05 Dec - 12 Dec	TAP
05 Dec - 09 Dec	TAP
10 Dec - 23 Dec	TAP
11 Dec - 16 Jan	Frontier Airlines
28 Dec - 08 Jan	Aer Lingus
24 Dec - 27 Jan	TAP
24 Dec - 29 Jan	TAP
24 Dec - 12 Jan	Icelandair
09 Dec - 11 Jan	Spirit Airlines
25 Dec - 11 Jan	Spirit Airlines
23 Dec - 12 Jan	Icelandair
24 Dec - 10 Jan	TAP
18 Dec - 10 Jan	Spirit 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.

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Cheapest return flights from Chicago to Paris in December from $364

Return flights