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

Return flights

03 Dec - 11 Dec	TAP
04 Dec - 12 Dec	Scandinavian Airlines
31 Dec - 08 Jan	TAP
01 Dec - 03 Dec	Scandinavian Airlines
09 Dec - 17 Dec	Icelandair
09 Dec - 08 Jan	TAP
26 Dec - 10 Jan	TAP
21 Dec - 08 Jan	TAP
21 Dec - 09 Jan	TAP
17 Dec - 10 Jan	TAP
21 Dec - 07 Jan	TAP
21 Dec - 06 Jan	TAP
30 Dec - 08 Jan	Sun Country Airlines
30 Dec - 07 Jan	Sun Country Airlines
19 Dec - 27 Dec	TAP
18 Dec - 26 Dec	TAP
23 Dec - 30 Dec	Spirit Airlines
22 Dec - 28 Dec	Spirit Airlines
16 Dec - 29 Dec	Aer Lingus

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 $367

Return flights