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

Return flights

12 Dec - 26 Dec	TAP
17 Dec - 26 Dec	TAP
08 Dec - 12 Dec	Icelandair
26 Dec - 28 Dec	TAP
16 Dec - 18 Jan	Aer Lingus
13 Dec - 20 Dec	Icelandair
19 Dec - 02 Jan	TAP
29 Dec - 02 Jan	British Airways
27 Dec - 02 Jan	Aer Lingus
23 Dec - 28 Dec	Aer Lingus
29 Dec - 04 Jan	Aer Lingus
22 Dec - 28 Dec	LOT
23 Dec - 02 Jan	Spirit Airlines
18 Dec - 02 Jan	Spirit Airlines
18 Dec - 27 Dec	Spirit Airlines
20 Dec - 03 Jan	LOT
12 Dec - 22 Dec	Iberia

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 387€

Return flights